{"id":7380,"date":"2026-09-22T18:37:21","date_gmt":"2026-09-23T02:37:21","guid":{"rendered":"https:\/\/changyupump.com\/?p=7380"},"modified":"2026-09-23T20:42:51","modified_gmt":"2026-09-24T04:42:51","slug":"stainless-steel-solvent-transfer-pump","status":"publish","type":"post","link":"https:\/\/changyupump.com\/ar\/blog\/stainless-steel-solvent-transfer-pump\/","title":{"rendered":"\u0645\u0636\u062e\u0629 \u0646\u0642\u0644 \u0627\u0644\u0645\u0630\u064a\u0628\u0627\u062a: \u0627\u062e\u062a\u064a\u0627\u0631 \u0646\u0638\u0627\u0645 \u0645\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A solvent transfer pump should be selected for the full transfer job: the liquid mixture, flow, head, suction conditions, seals, and site requirements. Stainless steel is a useful material option, but the complete assembly must suit the service.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For a fixed industrial installation, a stainless steel centrifugal pump can be a good candidate for compatible liquids and operating conditions. Small-container dispensing, thick recovered solvent, and precise low-flow dosing may call for a different configuration.<\/p>\n\n\n<style>.kb-image7380_c271ab-c4 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image7380_c271ab-c4 size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump.webp\" alt=\"solvent transfer pump\" class=\"kb-img wp-image-7385\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump.webp 1000w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This guide focuses on stainless steel pumps with mechanical seals. It explains what to check before buying and how to avoid problems when the tank level, temperature, or solvent blend changes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Match the solvent transfer pump to the job<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Start with how the liquid moves through your plant. Emptying an occasional drum is different from feeding a production line for several hours.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Transfer task<\/th><th>Main selection priority<\/th><th>Information to provide<\/th><\/tr><\/thead><tbody><tr><td>Drum or small-container dispensing<\/td><td>Container access, portability, and controlled delivery<\/td><td>Container size, transfer frequency, and required flow<\/td><\/tr><tr><td>Fixed tank-to-tank transfer<\/td><td>Flow, total head, and inlet conditions<\/td><td>Tank levels, vessel pressures, pipe route, and transfer time<\/td><\/tr><tr><td>Continuous process supply<\/td><td>Stable duty and a suitable control method<\/td><td>Normal flow, operating range, and daily running hours<\/td><\/tr><tr><td>Recovered solvent transfer<\/td><td>Variable composition, contamination, and solids<\/td><td>Representative analysis and expected batch variation<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For compatible industrial chemical duties, Changyu&#8217;s <a href=\"https:\/\/changyupump.com\/product\/stainless-steel-centrifugal-chemical-pump\/\">CYH stainless steel centrifugal chemical pump<\/a> is a product family to assess. It uses a single-stage, single-suction cantilever arrangement with mechanical-seal options.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Choose the model after reviewing the duty. A product-family description does not establish that every model suits every solvent.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"CYH stainless steel centrifugal pump\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/TQMO5oam4Qc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2. Identify the complete solvent mixture<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A solvent transfer pump may see more than the chemical name written on a tank. Water, dissolved salts, process residues, and cleaning fluids can change the selection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Changyu&#8217;s <a href=\"https:\/\/changyupump.com\/stainless-steel-centrifugal-pump\/\">stainless steel pump collection<\/a> identifies solvent-related application groups, including alcohols, ketones, aromatic solvents, and esters. Treat these as starting points for a compatibility review.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For a useful enquiry, include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The solvent name, full mixture, and concentration range.<\/li>\n\n\n\n<li>The current safety data sheet, or SDS.<\/li>\n\n\n\n<li>Normal and maximum liquid temperatures.<\/li>\n\n\n\n<li>Density, viscosity, and vapour pressure at operating temperature.<\/li>\n\n\n\n<li>Water content, solids, and likely contaminants.<\/li>\n\n\n\n<li>Any flushing or cleaning liquid used in the same pump.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For example, recovered acetone may contain residues absent from fresh acetone. An alcohol stream may contain water and salts. The original solvent&#8217;s data may not describe the liquid that reaches the pump.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Practical advice:<\/strong> state whether the composition is fixed or changes between batches. For recovered liquid, use a representative analysis and define acceptable limits before selecting the final configuration.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">3. Choose stainless steel and seals as one package<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For a stainless steel solvent transfer pump, assess every wetted component. The casing and impeller are only part of that package.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">304, 316, and 316L can enter the shortlist for different compatible duties. The choice depends on the mixture, temperature, impurities, and cleaning exposure. More demanding conditions may require another material assessment.<\/p>\n\n\n<style>.wp-block-kadence-advancedgallery .kb-gallery-type-grid.kb-gallery-id-7380_8f06ba-d7{margin:-5px;}.kb-gallery-type-grid.kb-gallery-id-7380_8f06ba-d7 .kadence-blocks-gallery-item{padding:5px;}.kb-gallery-id-7380_8f06ba-d7 .kadence-blocks-gallery-item .kb-gal-image-radius, .kb-gallery-id-7380_8f06ba-d7 .kb-slide-item .kb-gal-image-radius img{border-radius:0px 0px 0px 0px;;}<\/style><div class=\"kb-gallery-wrap-id-7380_8f06ba-d7 alignnone wp-block-kadence-advancedgallery\"><ul class=\"kb-gallery-ul kb-gallery-non-static kb-gallery-type-grid kb-gallery-id-7380_8f06ba-d7 kb-gallery-caption-style-bottom-hover kb-gallery-filter-none\" data-image-filter=\"none\" data-item-selector=\".kadence-blocks-gallery-item\" data-lightbox-caption=\"true\" data-columns-xxl=\"4\" data-columns-xl=\"4\" data-columns-md=\"4\" data-columns-sm=\"3\" data-columns-xs=\"2\" data-columns-ss=\"2\"><li class=\"kadence-blocks-gallery-item\" tabindex=\"0\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-hide-caption\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/02\/Centrifugal-Pump-for-Caustic-Soda-23-1024x768.webp\" width=\"1024\" height=\"768\" alt=\"Centrifugal Pump for Caustic Soda\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/02\/Centrifugal-Pump-for-Caustic-Soda-23.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/02\/Centrifugal-Pump-for-Caustic-Soda-23.webp\" data-id=\"3641\" class=\"wp-image-3641\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/02\/Centrifugal-Pump-for-Caustic-Soda-23-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/02\/Centrifugal-Pump-for-Caustic-Soda-23-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/02\/Centrifugal-Pump-for-Caustic-Soda-23-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/02\/Centrifugal-Pump-for-Caustic-Soda-23-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/02\/Centrifugal-Pump-for-Caustic-Soda-23-16x12.webp 16w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/02\/Centrifugal-Pump-for-Caustic-Soda-23.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\" tabindex=\"0\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-hide-caption\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Impeller-4-1024x1024.webp\" width=\"1024\" height=\"1024\" alt=\"Impeller\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Impeller-4.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Impeller-4.webp\" data-id=\"3708\" class=\"wp-image-3708\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Impeller-4-1024x1024.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Impeller-4-300x300.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Impeller-4-150x150.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Impeller-4-768x768.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Impeller-4-12x12.webp 12w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Impeller-4.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\" tabindex=\"0\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-hide-caption\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-1024x768.webp\" width=\"1024\" height=\"768\" alt=\"Double Mechanical Seal\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal.webp\" data-id=\"3704\" class=\"wp-image-3704\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-16x12.webp 16w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\" tabindex=\"0\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-hide-caption\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Cartridge-Mechanical-Seal.webp\" width=\"800\" height=\"800\" alt=\"Cartridge Mechanical Seal\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Cartridge-Mechanical-Seal.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Cartridge-Mechanical-Seal.webp\" data-id=\"3703\" class=\"wp-image-3703\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Cartridge-Mechanical-Seal.webp 800w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Cartridge-Mechanical-Seal-300x300.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Cartridge-Mechanical-Seal-150x150.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Cartridge-Mechanical-Seal-768x768.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Cartridge-Mechanical-Seal-12x12.webp 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/figure><\/div><\/li><\/ul><\/div>\n\n\n<p class=\"wp-block-paragraph\"><em>Outokumpu&#8217;s <a href=\"https:\/\/www.outokumpu.com\/en\/products\/product-ranges\/supra\" target=\"_blank\" rel=\"noopener\">Supra material information<\/a> explains the background of molybdenum-containing grades such as 316 and 316L. <\/em>It supports alloy comparison; it does not approve a complete pump for a particular solvent blend.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check the mechanical-seal faces, O-rings, gaskets, shaft sleeve, and wetted support piping too. An alloy upgrade will not prevent an incompatible elastomer from swelling or losing its sealing properties.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avoid a vague request for \u201csolvent-resistant rubber.\u201d Specify the proposed compound and have it assessed against all liquids and temperatures involved. Different solvent families can behave very differently with the same elastomer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ask for a component material schedule in the quotation. This gives purchasing a clear record of what will be supplied and makes future spare-part orders easier.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Select the mechanical seal for the actual operating conditions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A solvent transfer pump needs a seal arrangement that addresses both compatibility and containment. Pressure, temperature, lubrication, and the consequences of leakage all affect the choice.<\/p>\n\n\n<style>.wp-block-kadence-advancedgallery .kb-gallery-type-grid.kb-gallery-id-7380_6d5acf-e0{margin:-5px;}.kb-gallery-type-grid.kb-gallery-id-7380_6d5acf-e0 .kadence-blocks-gallery-item{padding:5px;}.kb-gallery-id-7380_6d5acf-e0 .kadence-blocks-gallery-item .kb-gal-image-radius, .kb-gallery-id-7380_6d5acf-e0 .kb-slide-item .kb-gal-image-radius img{border-radius:0px 0px 0px 0px;;}<\/style><div class=\"kb-gallery-wrap-id-7380_6d5acf-e0 alignnone wp-block-kadence-advancedgallery\"><ul class=\"kb-gallery-ul kb-gallery-non-static kb-gallery-type-grid kb-gallery-id-7380_6d5acf-e0 kb-gallery-caption-style-bottom-hover kb-gallery-filter-none\" data-image-filter=\"none\" data-item-selector=\".kadence-blocks-gallery-item\" data-lightbox-caption=\"true\" data-columns-xxl=\"4\" data-columns-xl=\"4\" data-columns-md=\"4\" data-columns-sm=\"3\" data-columns-xs=\"2\" data-columns-ss=\"2\"><li class=\"kadence-blocks-gallery-item\" tabindex=\"0\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-hide-caption\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Single-Mechanical-Seal.webp\" width=\"800\" height=\"800\" alt=\"Single Mechanical Seal\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Single-Mechanical-Seal.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Single-Mechanical-Seal.webp\" data-id=\"3705\" class=\"wp-image-3705\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Single-Mechanical-Seal.webp 800w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Single-Mechanical-Seal-300x300.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Single-Mechanical-Seal-150x150.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Single-Mechanical-Seal-768x768.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Single-Mechanical-Seal-12x12.webp 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\" tabindex=\"0\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-hide-caption\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-1024x768.webp\" width=\"1024\" height=\"768\" alt=\"Double Mechanical Seal\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal.webp\" data-id=\"3704\" class=\"wp-image-3704\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal-16x12.webp 16w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Double-Mechanical-Seal.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\" tabindex=\"0\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-hide-caption\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Power-seal.webp\" width=\"800\" height=\"800\" alt=\"Power seal\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Power-seal.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Power-seal.webp\" data-id=\"3132\" class=\"wp-image-3132\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Power-seal.webp 800w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Power-seal-300x300.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Power-seal-150x150.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Power-seal-768x768.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Power-seal-12x12.webp 12w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/figure><\/div><\/li><li class=\"kadence-blocks-gallery-item\" tabindex=\"0\"><div class=\"kadence-blocks-gallery-item-inner\"><figure class=\"kb-gallery-figure kadence-blocks-gallery-item-hide-caption\"><div class=\"kb-gal-image-radius\"><div class=\"kb-gallery-image-contain kadence-blocks-gallery-intrinsic kb-gallery-image-ratio-land43 kb-has-image-ratio-land43\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal-1024x768.webp\" width=\"1024\" height=\"768\" alt=\"Shaft Seal\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal.webp\" data-id=\"3255\" class=\"wp-image-3255\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal-1536x1152.webp 1536w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal-16x12.webp 16w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/11\/Shaft-seal.webp 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><\/figure><\/div><\/li><\/ul><\/div>\n\n\n<p class=\"wp-block-paragraph\">A single mechanical seal may suit a duty where the assessment supports it. A double mechanical seal may be considered where additional containment or a controlled seal environment is required. It also needs an appropriate support arrangement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For either option, resolve five questions:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Which seal-face and secondary-seal materials are specified?<\/li>\n\n\n\n<li>What pressure and temperature will the seal chamber experience?<\/li>\n\n\n\n<li>Is cooling, flushing, or a separate support fluid needed?<\/li>\n\n\n\n<li>Is that support fluid compatible with the process?<\/li>\n\n\n\n<li>How will support conditions be monitored and maintained?<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Do not treat a double seal as a guarantee of zero leakage. Define the required containment performance and the response to loss of support.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Changyu&#8217;s supplied maintenance guidance identifies dry running, poor cooling, vibration, particles, and blocked flushing as possible seal-failure causes. These checks matter even when the selected metal is chemically suitable.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Practical advice:<\/strong> if replacing a failed seal, record when leakage began. Startup, the end of a batch, and a change of solvent blend point to different conditions worth investigating.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">5. Separate vapour pressure from flash point<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A solvent transfer pump enquiry needs both properties where relevant, because they answer different questions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vapour pressure affects the risk of liquid vaporising as inlet pressure falls. Flash point relates to the formation of ignitable vapour under specified test conditions.<\/strong> One value cannot replace the other.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A warm, volatile solvent can become difficult to feed into a pump through a restrictive suction line. A low tank level or vessel under vacuum can make the problem worse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Calculate net positive suction head available, or NPSH available, using the actual liquid and installation. Compare it with the selected pump&#8217;s requirement at the intended flow, including a suitable application-specific margin.<em>The <a href=\"https:\/\/www.pumps.org\/resources\/pump-faqs\/\" target=\"_blank\" rel=\"noopener\">Hydraulic Institute&#8217;s pump FAQs<\/a> explain suction and NPSH concepts. <\/em>Use the selected model&#8217;s curve and your solvent properties for the project calculation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do not copy a water-based suction-lift assumption into a solvent transfer pump specification. A successful cold trial also does not prove that the pump will work with warm liquid near the end of a batch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Design for the lowest tank level<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A full tank usually offers more inlet pressure than a nearly empty one. Review the whole transfer cycle, including the point where the pump must stop.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check suction-pipe diameter and length, strainers, valves, air pockets, and possible air leaks. Provide suitable outlet geometry and submergence for the intended flow. Piping should have independent support so it does not load the pump connections.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consider an illustrative batch transfer. The pump runs steadily at first, but flow becomes unstable as the tank empties. Possible causes include reduced NPSH available, air entering the outlet, or a blocked strainer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The correct response is to check those conditions. Depending on the findings, the design may need a lower pump position, fewer suction losses, a revised flow, or a higher shutdown level. A larger motor is not a general solution.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Set a minimum operating level and suitable protection. A standard centrifugal solvent transfer pump should not be expected to empty a vessel completely while continuing to run dry.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. Check hazardous-area requirements for the complete installation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Where a flammable atmosphere can occur, the responsible site specialist must define the area classification and equipment requirements. Include those requirements in the enquiry from the start.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An explosion-proof motor alone does not establish that a solvent transfer pump installation is suitable. The review may include the pump, coupling, instruments, electrical equipment, and other potential ignition sources.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Specify the applicable gas group, temperature classification, equipment protection requirements, and jurisdiction. Request documentation for the exact supplied configuration.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Centrifugal pump finished product display\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/Rj7pn1GEJto?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Static control also involves the transfer system. Bonding and grounding, where required by the assessment, must account for hoses, containers, connections, and handling methods as well as the pump body.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>The UK Health and Safety Executive&#8217;s <a href=\"https:\/\/www.hse.gov.uk\/fireandexplosion\/dsear.htm\" target=\"_blank\" rel=\"noopener\">DSEAR guidance<\/a> explains the assessment of dangerous substances, hazardous areas, and ignition risks. It is an authoritative UK reference; projects elsewhere must follow their applicable local requirements.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guidance is not a certification claim for a Changyu product. The project needs documented suitability for its selected equipment and installation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. Size the solvent transfer pump for the real duty<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Calculate flow from the volume and transfer time. Then establish total dynamic head from tank levels, vessel pressures, pipe losses, filters, valves, and receiving equipment.<\/p>\n\n\n<style>.kb-image7380_fc48d1-a9 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image7380_fc48d1-a9 size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"945\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-1-1024x945.webp\" alt=\"solvent transfer pump\" class=\"kb-img wp-image-7387\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-1-1024x945.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-1-300x277.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-1-150x138.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-1-768x709.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-1-13x12.webp 13w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump-1.webp 1306w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For example, transferring 10 cubic metres in 20 minutes requires an average flow of 30 cubic metres per hour. That figure starts the calculation; it does not select the model. The required head and inlet conditions still need to be established.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ask for a pump curve showing the normal duty and expected range. Include both the beginning and end of the batch, since changing tank levels can shift the operating point.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Motor selection should use the actual liquid properties and absorbed power across the permitted range. If viscosity differs significantly from water, review the effect on pump performance and power.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Also define how flow will be controlled. On\/off operation, throttling, and variable speed create different conditions. Avoid routine operation against a closed discharge or below the manufacturer&#8217;s permitted minimum flow.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For thick liquids, substantial solids, or precise low-flow dosing, review the pump principle before proceeding with a standard centrifugal design.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">9. Make startup and maintenance repeatable<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prepare the startup procedure from the supplied instructions and site assessment. Confirm rotation, priming, flow paths, seal-support readiness, and protective devices before normal operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Record normal flow, pressures, current, and seal-support conditions after commissioning. When performance changes, compare those values with the baseline.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If a solvent transfer pump starts leaking or loses capacity, check the liquid composition, tank level, temperature, suction restrictions, and support system before replacing components. This helps separate a worn part from a changed operating condition.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Maintenance must follow the site&#8217;s isolation, draining, ventilation, and exposure-control procedures. A stopped motor does not mean the pump is empty or free from solvent vapour.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently asked questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Can a stainless steel centrifugal pump transfer solvents?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes, for compatible liquids and suitable operating conditions. Selection must cover the entire wetted assembly, flow and head, suction conditions, seal arrangement, and site requirements. Stainless steel construction alone does not establish suitability for every mixture.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Is 316L always needed for a solvent transfer pump?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. The required grade depends on the mixture, water content, contaminants, temperature, and cleaning exposure. Some duties can use another grade. Review elastomers and seal faces at the same time; a metal upgrade does not solve every compatibility problem.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Is an explosion-proof motor enough for flammable solvent service?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. The complete equipment and installation must meet the requirements established by the site assessment. This includes applicable electrical and non-electrical ignition risks, static control, operating conditions, and documentation for the specified configuration.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why does flow fall near the end of a batch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Available inlet pressure falls as the tank level drops. Air entry or vaporisation may then affect performance. Check temperature, minimum level, submergence, inlet losses, and the pump operating point. Define the stop condition before the pump runs dry.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can one solvent transfer pump handle fresh and recovered liquid?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Possibly, but assess both mixtures. Recovered solvent can contain water, particles, or dissolved contaminants. Those changes may affect corrosion, seals, viscosity, and vapour pressure. Define the permitted composition range before treating both duties as equivalent.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Should I choose a drum pump or a fixed installation?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Choose around the handling task. Occasional container dispensing may favour a container-specific design. Sustained tank transfer may suit a fixed industrial installation. Both options need suitable wetted materials, flow control, and compliance with the site&#8217;s operating requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Discuss your solvent transfer application<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For a solvent transfer pump review, send the mixture and SDS, temperature, flow, head, tank layout, and site requirements through the form below. Include recovered solvent and cleaning conditions where relevant. Review the <a href=\"https:\/\/changyupump.com\/product\/stainless-steel-centrifugal-chemical-pump\/\">CYH product information<\/a> or <a href=\"https:\/\/changyupump.com\/contacts\/\">contact Changyu<\/a> to discuss the duty.<\/p>\n\n\n<!-- [element-6018] --><style>.kb-row-layout-id6018_7ce383-38 > .kt-row-column-wrap{align-content:center;}:where(.kb-row-layout-id6018_7ce383-38 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:center;}.kb-row-layout-id6018_7ce383-38 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-lg, 4rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:var( --global-content-width, 1500px );padding-left:var(--global-content-edge-padding);padding-right:var(--global-content-edge-padding);padding-top:var(--global-kb-spacing-md, 2rem);padding-bottom:var(--global-kb-spacing-md, 2rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id6018_7ce383-38 > .kt-row-layout-overlay{opacity:0.30;}.kb-row-layout-id6018_7ce383-38 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.kt-inside-inner-col:before{opacity:0.3;}.kadence-column6018_dd309c-a4{text-align:center;}.kadence-column6018_dd309c-a4{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column6018_dd309c-a4{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_dd309c-a4{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_dd309c-a4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column6018_dd309c-a4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column6018_dd309c-a4{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_dd309c-a4{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_dd309c-a4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column6018_dd309c-a4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column6018_dd309c-a4\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id6018_8b0ce7-3d > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id6018_8b0ce7-3d > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id6018_8b0ce7-3d > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, calc(50% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)))minmax(0, calc(50% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)));}.kb-row-layout-id6018_8b0ce7-3d > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id6018_8b0ce7-3d > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id6018_8b0ce7-3d > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id6018_8b0ce7-3d alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column6018_d44ec8-72 > .kt-inside-inner-col{display:flex;}.kadence-column6018_d44ec8-72 > .kt-inside-inner-col,.kadence-column6018_d44ec8-72 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column6018_d44ec8-72 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column6018_d44ec8-72 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}.kadence-column6018_d44ec8-72 > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column6018_d44ec8-72 > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column6018_d44ec8-72 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column6018_d44ec8-72{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_d44ec8-72{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_d44ec8-72 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column6018_d44ec8-72 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column6018_d44ec8-72{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column6018_d44ec8-72{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_d44ec8-72{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_d44ec8-72 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column6018_d44ec8-72 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column6018_d44ec8-72{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_d44ec8-72{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_d44ec8-72 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column6018_d44ec8-72 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column6018_d44ec8-72\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-left wp-block-paragraph\"><strong>Email:&nbsp;<a href=\"mailto:jade@changyupump.com\">jade@changyupump.com<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>TEL\/WA: <a href=\"https:\/\/wa.me\/8613651913727\" data-type=\"link\" data-id=\"https:\/\/wa.me\/8613651913727\" target=\"_blank\" rel=\"noopener\">+86-13651913727<\/a><\/strong><\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column6018_f68c37-81 > .kt-inside-inner-col{display:flex;}.kadence-column6018_f68c37-81 > .kt-inside-inner-col,.kadence-column6018_f68c37-81 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column6018_f68c37-81 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column6018_f68c37-81 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}.kadence-column6018_f68c37-81 > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column6018_f68c37-81 > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column6018_f68c37-81 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column6018_f68c37-81{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_f68c37-81{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_f68c37-81 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column6018_f68c37-81 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column6018_f68c37-81{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column6018_f68c37-81{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_f68c37-81{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_f68c37-81 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column6018_f68c37-81 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column6018_f68c37-81{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_f68c37-81{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column6018_f68c37-81 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column6018_f68c37-81 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column6018_f68c37-81\"><div class=\"kt-inside-inner-col\"><!-- [element-1116] --><style>.kadence-column1116_b4e12a-5e > .kt-inside-inner-col{display:flex;}.kadence-column1116_b4e12a-5e > .kt-inside-inner-col{padding-left:0px;}.kadence-column1116_b4e12a-5e > .kt-inside-inner-col,.kadence-column1116_b4e12a-5e > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column1116_b4e12a-5e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column1116_b4e12a-5e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column1116_b4e12a-5e > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column1116_b4e12a-5e{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column1116_b4e12a-5e{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column1116_b4e12a-5e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column1116_b4e12a-5e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column1116_b4e12a-5e{position:relative;}.kadence-column1116_b4e12a-5e, .kt-inside-inner-col > .kadence-column1116_b4e12a-5e:not(.specificity){margin-top:var(--global-kb-spacing-md, 2rem);}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column1116_b4e12a-5e{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column1116_b4e12a-5e{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column1116_b4e12a-5e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column1116_b4e12a-5e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column1116_b4e12a-5e{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column1116_b4e12a-5e{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column1116_b4e12a-5e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column1116_b4e12a-5e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column1116_b4e12a-5e\"><div class=\"kt-inside-inner-col\"><style>#kt-modal1116_989c94-4c .kt-blocks-modal-link{color:var(--global-palette9, #ffffff);background:#019141;border-color:var(--global-palette1, #3182CE);border-radius:10px;font-size:18px;line-height:24px;font-family:var( --global-body-font-family, inherit );font-style:normal;font-weight:500;border-width:0px 0px 0px 0px;padding:15px 30px 15px 30px;margin:0px 0px 0px 0px;}#kt-modal1116_989c94-4c .kt-blocks-modal-link:hover, #kt-modal1116_989c94-4c .kt-blocks-modal-link:focus{color:#ffffff;background:var(--global-palette2, #2B6CB0);border-color:var(--global-palette2, #2B6CB0);}#kt-modal1116_989c94-4c .kt-modal-overlay, #kt-target-modal1116_989c94-4c .kt-modal-overlay, .kb-modal-content1116_989c94-4c .kt-modal-overlay{-ms-flex-pack:center;justify-content:center;-ms-flex-align:center;align-items:center;}#kt-modal1116_989c94-4c .kt-modal-container, #kt-target-modal1116_989c94-4c .kt-modal-container, .kb-modal-content1116_989c94-4c .kt-modal-container{width:100%;max-width:600px;-ms-flex-pack:flex-start;justify-content:flex-start;text-align:left;-ms-flex-align:flex-start;align-items:flex-start;}#kt-modal1116_989c94-4c .kt-modal-container, #kt-target-modal1116_989c94-4c .kt-modal-container, .kb-modal-content1116_989c94-4c .kt-modal-container{padding-top:30px;padding-right:30px;padding-bottom:30px;padding-left:30px;margin-top:20px;margin-right:20px;margin-bottom:20px;margin-left:20px;}#kt-modal1116_989c94-4c .kt-modal-container, #kt-target-modal1116_989c94-4c .kt-modal-container, .kb-modal-content1116_989c94-4c .kt-modal-container{background:#ffffff;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;border-top:0px solid rgba(255,255,255,0);border-right:0px solid rgba(255,255,255,0);border-bottom:0px solid rgba(255,255,255,0);border-left:0px solid rgba(255,255,255,0);}#kt-modal1116_989c94-4c .kt-modal-close svg, #kt-target-modal1116_989c94-4c .kt-modal-close svg, .kb-modal-content1116_989c94-4c .kt-modal-close svg{width:24px;height:24px;}@media all and (max-width: 1024px){#kt-modal1116_989c94-4c .kt-modal-container, #kt-target-modal1116_989c94-4c .kt-modal-container, .kb-modal-content1116_989c94-4c .kt-modal-container{width:100%;border-top:0px solid rgba(255,255,255,0);border-right:0px solid rgba(255,255,255,0);border-bottom:0px solid rgba(255,255,255,0);border-left:0px solid rgba(255,255,255,0);}}@media all and (max-width: 1024px){#kt-modal1116_989c94-4c .kt-modal-close svg, #kt-target-modal1116_989c94-4c .kt-modal-close svg, .kb-modal-content1116_989c94-4c .kt-modal-close svg{width:24px;height:24px;}}@media all and (max-width: 767px){#kt-modal1116_989c94-4c .kt-modal-container, #kt-target-modal1116_989c94-4c .kt-modal-container, .kb-modal-content1116_989c94-4c .kt-modal-container{width:100%;border-top:0px solid rgba(255,255,255,0);border-right:0px solid rgba(255,255,255,0);border-bottom:0px solid rgba(255,255,255,0);border-left:0px solid rgba(255,255,255,0);}#kt-modal1116_989c94-4c .kt-modal-close svg, #kt-target-modal1116_989c94-4c .kt-modal-close svg, .kb-modal-content1116_989c94-4c .kt-modal-close svg{width:24px;height:24px;}}<\/style>\n<div class=\"wp-block-kadence-modal alignleft kt-modal-linkalign-left\" id=\"kt-modal1116_989c94-4c\"><div id=\"kt-target-modal1116_989c94-4c\" class=\"kb-modal-content1116_989c94-4c kadence-block-pro-modal kt-m-animate-in-fadeup kt-m-animate-out-fadeout\" aria-hidden=\"true\"><div class=\"kt-modal-overlay\" tabindex=\"-1\" data-modal-close=\"true\"><div class=\"kt-modal-container kt-modal-height-fittocontent kt-close-position-inside\" role=\"dialog\" aria-modal=\"true\"><button class=\"kt-modal-close\" aria-label=\"Close Modal\" data-modal-close=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" xmlns=\"https:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"><\/line><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"><\/line><\/svg><\/button><div id=\"kt-modal1116_989c94-4c-content\" class=\"kt-modal-content\">\n<h4 class=\"wp-block-heading has-text-align-center\"><strong>REQUEST A QUOTE<\/strong><\/h4>\n\n\n<style>.kadence-form-1116_288491-0c .kb-form .kadence-blocks-form-field .kb-forms-submit{color:var(--global-palette9, #ffffff);background:#019141;}.kadence-form-1116_288491-0c .kadence-blocks-form-success{color:var(--global-palette2, #2B6CB0);}.kb-form input.kadence-blocks-field.verify{opacity:0.0;position:absolute;top:0.0;left:0.0;width:0.0;height:0.0;z-index:-1;}<\/style>\n<div class=\"wp-block-kadence-form kadence-form-1116_288491-0c kb-form-wrap\"><form class=\"kb-form\" action=\"\" method=\"post\" data-error-message=\"Please fix the error to continue.\"><div class=\"kadence-blocks-form-field kb-field-desk-width-100 kb-input-size-standard\"><label for=\"kb_field_1116_288491-0c_0\">Name<\/label><input name=\"kb_field_0\" id=\"kb_field_1116_288491-0c_0\" data-label=\"Name\" type=\"text\" placeholder=\"Your Name\" value=\"\" data-type=\"text\" class=\"kb-field kb-text-style-field kb-text-field kb-field-0\"\/><\/div><div class=\"kadence-blocks-form-field kb-form-field-1 kb-field-desk-width-100 kb-input-size-standard\"><label for=\"kb_field_1116_288491-0c_1\">Email<span class=\"required\">*<\/span><\/label><input name=\"kb_field_1\" id=\"kb_field_1116_288491-0c_1\" data-label=\"Email\" type=\"email\" placeholder=\"Email Adress\" value=\"\" data-type=\"email\" class=\"kb-field kb-text-style-field kb-email-field kb-field-1\" data-required=\"yes\"\/><\/div><div class=\"kadence-blocks-form-field kb-form-field-2 kb-field-desk-width-100 kb-input-size-standard\"><label for=\"kb_field_1116_288491-0c_2\">TEL\/WA<span class=\"required\">*<\/span><\/label><input name=\"kb_field_2\" id=\"kb_field_1116_288491-0c_2\" data-label=\"TEL\/WA\" type=\"tel\" placeholder=\"TEL\/WhatsApp\" value=\"\" data-type=\"tel\" class=\"kb-field kb-text-style-field kb-tel-field kb-field-2\" data-required=\"yes\"\/><\/div><div class=\"kadence-blocks-form-field kb-form-field-3 kb-field-desk-width-100 kb-input-size-standard\"><label for=\"kb_field_1116_288491-0c_3\">Message<\/label><textarea name=\"kb_field_3\" id=\"kb_field_1116_288491-0c_3\" data-label=\"Message\" type=\"textarea\" placeholder=\"Please tell us your specific requirements...\" data-type=\"textarea\" class=\"kb-field kb-text-style-field kb-textarea-field kb-field-3\" rows=\"4\"><\/textarea><\/div><input type=\"hidden\" name=\"_kb_form_id\" value=\"1116_288491-0c\"\/><input type=\"hidden\" name=\"_kb_form_post_id\" value=\"885\"\/><input type=\"hidden\" name=\"action\" value=\"kb_process_ajax_submit\"\/><label class=\"kadence-verify-label\">Email<input class=\"kadence-blocks-field verify\" type=\"text\" name=\"_kb_verify_email\" autocomplete=\"new-password\" aria-hidden=\"true\" placeholder=\"Email\" tabindex=\"-1\" data-1p-ignore=\"true\" data-lpignore=\"true\" \/><\/label><div class=\"kadence-blocks-form-field kb-submit-field kb-field-desk-width-100\"><button class=\"kb-forms-submit button kb-button-size-standard kb-button-width-auto\">Submit<\/button><\/div><\/form><\/div>\n<noscript><div class=\"kadence-blocks-form-message kadence-blocks-form-warning\">Please enable JavaScript in your browser to submit the form<\/div><style>.kadence-form-1116_288491-0c .kadence-blocks-form-field.kb-submit-field { display: none; }<\/style><\/noscript><\/div><\/div><\/div><\/div><button class=\"kb-btn-global-custom kt-modal-label-show kt-blocks-modal-link\" data-modal-open=\"kt-target-modal1116_989c94-4c\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_edit kt-btn-svg-icon kt-btn-svg-icon-fe edit kt-btn-side-left\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M20 14.66V20a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h5.34\"\/><polygon points=\"18 2 22 6 12 16 8 16 8 12 18 2\"\/><\/svg><\/span><span class=\"kt-blocks-modal-link-inner\"> Inquiry Now<\/span><\/button><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<!-- [\/element-1116] -->\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n<\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<!-- [\/element-6018] -->\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Take a tour around Changyu Company&amp;apos;s new factory\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/cGEuBS-53LU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">About the author and sources<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Prepared by Jade, Changyu Pump.<\/strong> This article combines Changyu product and maintenance information with independent hydraulic, alloy, and workplace-safety references. Examples are illustrative. Equipment suitability must be confirmed against the actual solvent and installation.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/changyupump.com\/product\/stainless-steel-centrifugal-chemical-pump\/\">Changyu CYH chemical pump<\/a>: construction and configuration options.<\/li>\n\n\n\n<li><a href=\"https:\/\/changyupump.com\/stainless-steel-centrifugal-pump\/\">Changyu stainless steel pump collection<\/a>: product range and application groups.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.outokumpu.com\/en\/products\/product-ranges\/supra\" target=\"_blank\" rel=\"noopener\">Outokumpu Supra<\/a>: stainless alloy background.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.pumps.org\/resources\/pump-faqs\/\" target=\"_blank\" rel=\"noopener\">Hydraulic Institute pump FAQs<\/a>: hydraulic and suction principles.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.hse.gov.uk\/fireandexplosion\/dsear.htm\" target=\"_blank\" rel=\"noopener\">HSE DSEAR guidance<\/a>: dangerous substances and ignition-risk assessment.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u062d\u062f\u062f \u0645\u0636\u062e\u0629 \u0645\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0644\u0646\u0642\u0644 \u0627\u0644\u0645\u0630\u064a\u0628\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0645\u0639 \u0631\u0624\u064a\u0629 \u0623\u0648\u0636\u062d \u0644\u0644\u062a\u0648\u0627\u0641\u0642\u060c \u0648\u0627\u0644\u0623\u062e\u062a\u0627\u0645 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629\u060c \u0648\u0638\u0631\u0648\u0641 \u0627\u0644\u0634\u0641\u0637\u060c \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0648\u0642\u0639. \u062a\u0639\u0631\u0641 \u0639\u0644\u0649 \u0633\u0628\u0628 \u0623\u0647\u0645\u064a\u0629 \u0645\u0632\u064a\u062c \u0627\u0644\u0645\u0630\u064a\u0628\u0627\u062a \u0627\u0644\u0643\u0627\u0645\u0644 \u0648\u0623\u062f\u0646\u0649 \u0645\u0633\u062a\u0648\u0649 \u0644\u0644\u062e\u0632\u0627\u0646\u060c \u0648\u0645\u0627 \u064a\u062c\u0628 \u062a\u0636\u0645\u064a\u0646\u0647 \u0641\u064a \u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u0645\u0641\u064a\u062f \u0639\u0646 \u0627\u0644\u0645\u0636\u062e\u0629.<\/p>","protected":false},"author":1,"featured_media":7385,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-7380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"taxonomy_info":{"category":[{"value":12,"label":"Blog"}]},"featured_image_src_large":["https:\/\/changyupump.com\/wp-content\/uploads\/2026\/09\/solvent-transfer-pump.webp",1000,750,false],"author_info":{"display_name":"jade@changyupump.com","author_link":"https:\/\/changyupump.com\/ar\/author\/jadechangyupump-com\/"},"comment_info":1,"category_info":[{"term_id":12,"name":"Blog","slug":"blog","term_group":0,"term_taxonomy_id":12,"taxonomy":"category","description":"","parent":0,"count":198,"filter":"raw","cat_ID":12,"category_count":198,"category_description":"","cat_name":"Blog","category_nicename":"blog","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/posts\/7380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/comments?post=7380"}],"version-history":[{"count":4,"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/posts\/7380\/revisions"}],"predecessor-version":[{"id":7388,"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/posts\/7380\/revisions\/7388"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/media\/7385"}],"wp:attachment":[{"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/media?parent=7380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/categories?post=7380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/changyupump.com\/ar\/wp-json\/wp\/v2\/tags?post=7380"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 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