{"id":7850,"date":"2026-11-03T05:14:29","date_gmt":"2026-11-03T13:14:29","guid":{"rendered":"https:\/\/changyupump.com\/?p=7850"},"modified":"2026-11-06T05:53:01","modified_gmt":"2026-11-06T13:53:01","slug":"aqueous-ammonia-pump-selection-guide","status":"publish","type":"post","link":"https:\/\/changyupump.com\/pt\/blog\/aqueous-ammonia-pump-selection-guide\/","title":{"rendered":"Guia de sele\u00e7\u00e3o de bombas para am\u00f4nia aquosa: materiais, veda\u00e7\u00f5es e dimensionamento para aplica\u00e7\u00f5es com NH\u2084OH"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>At a glance:<\/strong> Select an aqueous ammonia pump against NH\u2083 concentration, temperature, suction pressure and emission requirements. Stainless steel, fluoroplastic-lined centrifugal and magnetic drive designs are possible routes. Check every wetted component, use compatible seals, and calculate NPSH with solution vapour-pressure data at the highest operating temperature.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting a replacement ammonia pump often starts with a material question and ends with a suction or sealing question. We review all three together: the liquid chemistry, the pressure available at the inlet and the containment required at the shaft. This guide follows that sequence.<\/p>\n\n\n<style>.kb-image7850_d94dfe-19 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image7850_d94dfe-19\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/11\/aqueous-ammonia-pump.webp\" alt=\"aqueous ammonia pump\" class=\"kb-img wp-image-7865\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/11\/aqueous-ammonia-pump.webp 1200w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/11\/aqueous-ammonia-pump-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/11\/aqueous-ammonia-pump-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/11\/aqueous-ammonia-pump-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/11\/aqueous-ammonia-pump-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/11\/aqueous-ammonia-pump-16x12.webp 16w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure><\/div>\n\n\n\n<h2 id=\"what-an-aqueous-ammonia-pump-has-to-do\" class=\"wp-block-heading\">What an Aqueous Ammonia Pump Has to Do<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aqueous ammonia \u2014 ammonium hydroxide, NH\u2084OH \u2014 arrives on site at 10% to 30% NH\u2083 by weight. The 25% grade is the most common commercial strength and also the most troublesome, because vapour pressure, corrosivity and product purity all become significant at once.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typical duties include tanker and ISO tank unloading, transfer from bulk storage to day tanks or reactor feed, metering into SCR\/SNCR DeNOx systems, pH adjustment in water treatment, and feed preparation in fertiliser, feed additive and fine chemical plants.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Temperatures are usually ambient to 40 \u00b0C, but chilled storage and warm return lines both exist, and both change the pump you should buy. A unit that behaves at 15 \u00b0C on flooded suction can cavitate badly at 35 \u00b0C on the same duty.<\/p>\n\n\n\n<h2 id=\"why-ammonia-needs-more-than-a-ph-check\" class=\"wp-block-heading\">Why ammonia needs more than a pH check<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aqueous ammonia is alkaline, but pH alone does not describe the pumping challenge. Volatility, material compatibility and density also affect selection.<\/p>\n\n\n\n<h3 id=\"vapour-pressure-steals-your-npsh-margin\" class=\"wp-block-heading\">Vapour pressure steals your NPSH margin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ammonia is a gas dissolved in water, and it wants out. As the solution warms, ammonia partial pressure climbs steeply, and any pressure drop in the suction line \u2014 a strainer, an elbow, a throttled valve \u2014 pulls dissolved gas out of solution. The result is two-phase flow entering the impeller: noise, vibration, falling head, and eventually destroyed bearings and seal faces.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two habits solve most of it. Keep the suction line short, straight and generously sized, and prefer flooded suction over a lift wherever layout allows. Where a lift is unavoidable, specify a pump with a low NPSH requirement, not one that only meets the duty point on a catalogue curve.<\/p>\n\n\n\n<h3 id=\"check-copper-alloys-and-auxiliary-materials\" class=\"wp-block-heading\">Check copper alloys and auxiliary materials<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Copper and its alloys are unsuitable for aqueous ammonia service. Brass and bronze components can introduce corrosion and stress-corrosion risks even when the main casing material is suitable. Zinc-bearing coatings and aluminium components also require specific compatibility review and should not be assumed suitable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The rule: no copper-bearing alloy anywhere in the wetted path. That covers the impeller, casing, seal spring, shaft sleeve, wear ring, and the small fittings nobody thinks about.<\/p>\n\n\n\n<h3 id=\"lower-density-changes-motor-sizing\" class=\"wp-block-heading\">Lower density changes motor sizing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">At 25% concentration the solution is around 0.91 g\/cm\u00b3, roughly 9% lighter than water. Hydraulic head is unaffected, but absorbed power is, so a motor sized purely on ammonia duty is under-protected the day someone flushes the line with water during CIP. We size the motor on the densest fluid the pump will ever see.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ammonia vapour is toxic, and odour must not be used as an exposure monitor. Ventilation, detection, containment and the site\u2019s hazardous-area assessment belong in the system specification. The <a href=\"https:\/\/www.cdc.gov\/niosh\/npg\/npgd0028.html\" target=\"_blank\" rel=\"noopener\">NIOSH ammonia guidance<\/a> provides exposure and emergency-response reference information.<\/p>\n\n\n\n<h2 id=\"material-selection-for-aqueous-ammonia\" class=\"wp-block-heading\">Material Selection for Aqueous Ammonia<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The table below reflects how we approach material selection. Treat it as a starting point rather than a substitute for your own corrosion data, since chlorides, aeration and temperature all shift the answer.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Material or component<\/th><th>Selection consideration<\/th><th>What to verify<\/th><\/tr><\/thead><tbody><tr><td>Carbon steel<\/td><td>Possible for some ammonia duties; iron pickup may affect purity<\/td><td>Water chemistry, oxygen, temperature and corrosion allowance<\/td><\/tr><tr><td>Cast iron<\/td><td>Requires a specific mechanical and corrosion assessment<\/td><td>Grade, pressure integrity and site acceptance<\/td><\/tr><tr><td>304 \/ 316L stainless<\/td><td>Common metal options for product-contact service<\/td><td>Chlorides, temperature, fabrication and all auxiliary parts<\/td><\/tr><tr><td>Brass, bronze and other copper alloys<\/td><td>Exclude from the wetted path<\/td><td>Small fittings, instruments, sleeves and seal components<\/td><\/tr><tr><td>Aluminium and galvanised steel<\/td><td>Do not assume compatibility<\/td><td>Written material-supplier approval for the exact duty<\/td><\/tr><tr><td>PP \/ PVC<\/td><td>May suit some ambient-temperature duties<\/td><td>Exact polymer grade, joints, permeation and pressure derating<\/td><\/tr><tr><td>PVDF<\/td><td>Requires particular care with alkaline ammonia solutions<\/td><td>Supplier concentration and temperature limits; do not assume approval<\/td><\/tr><tr><td>PTFE \/ PFA \/ FEP<\/td><td>Chemical-resistance options for wetted linings<\/td><td>Lining construction, permeation, vacuum resistance and temperature limits<\/td><\/tr><tr><td>EPDM<\/td><td>Common secondary-seal candidate<\/td><td>Exact compound, temperature and contaminants<\/td><\/tr><tr><td>PTFE-based seals<\/td><td>Chemical-resistance option<\/td><td>Seal geometry, creep and manufacturer approval<\/td><\/tr><tr><td>FKM<\/td><td>Generally unsuitable for ammonia<\/td><td>Select a compatible alternative with the seal supplier<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If equipment is shared between different chemicals, review every fluid and the cleaning sequence separately. A compatible lining does not make acid\u2013ammonia mixing safe. Segregation, drainage and controlled flushing must be addressed in the plant procedure.<\/p>\n\n\n\n<h2 id=\"which-pump-type-fits-your-duty\" class=\"wp-block-heading\">Which Pump Type Fits Your Duty?<\/h2>\n\n\n\n<h3 id=\"fluoroplastic-lined-centrifugal-pumps\" class=\"wp-block-heading\">Fluoroplastic-lined centrifugal pumps<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This is the workhorse for continuous transfer of 25% ammonia at ambient to moderate temperature. A metal casing with an FEP, PFA or PTFE lining gives you the pressure containment of cast metal and the chemical resistance of plastic, across the whole wetted path rather than just the casing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our <a href=\"https:\/\/changyupump.com\/product\/cyf-series-fluoroplastic-centrifugal-pump\/\">CYF series fluoroplastic centrifugal pump<\/a> is one option to review for continuous chemical transfer. Confirm the lining, all wetted components, seal arrangement and hydraulic curve against the ammonia duty before selection. Our <a href=\"https:\/\/changyupump.com\/fluorine-lined-pump\/\">fluorine-lined pump overview<\/a> explains the material route.<\/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=\"CYF Fluorine-lined Centrifugal Pump Product Introduction\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/33MTf_QbR_4?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<h3 id=\"magnetic-drive-pumps-for-improved-shaft-seal-containment\" class=\"wp-block-heading\">Magnetic drive pumps for improved shaft-seal containment<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Where shaft-seal leakage is a major concern, a magnetic drive pump removes the dynamic shaft seal. Static joints, the containment shell, instruments and pipework still need suitable design, inspection and leak management.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our <a href=\"https:\/\/changyupump.com\/magnetic-pump-supplier\/\">magnetic drive pump range<\/a> covers the stainless and lined options used for ammonia transfer and circulation. The trade-off is dry-run tolerance \u2014 a magnetic drive pump relies on the liquid for cooling and lubricating its bearing surfaces, so a level interlock and flow check are part of the specification, not optional extras.<\/p>\n\n\n<style>.wp-block-kadence-advancedgallery .kb-gallery-type-grid.kb-gallery-id-7850_a7e7e2-1e{margin:-5px;}.kb-gallery-type-grid.kb-gallery-id-7850_a7e7e2-1e .kadence-blocks-gallery-item{padding:5px;}.kb-gallery-id-7850_a7e7e2-1e .kadence-blocks-gallery-item .kb-gal-image-radius, .kb-gallery-id-7850_a7e7e2-1e .kb-slide-item .kb-gal-image-radius img{border-radius:0px 0px 0px 0px;;}<\/style><div class=\"kb-gallery-wrap-id-7850_a7e7e2-1e alignnone wp-block-kadence-advancedgallery\"><ul class=\"kb-gallery-ul kb-gallery-non-static kb-gallery-type-grid kb-gallery-id-7850_a7e7e2-1e 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\/self-priming-magnetic-drive-pump-2-1024x768.webp\" width=\"1024\" height=\"768\" alt=\"self priming magnetic drive pump\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/self-priming-magnetic-drive-pump-2.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/self-priming-magnetic-drive-pump-2.webp\" data-id=\"5175\" class=\"wp-image-5175\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/self-priming-magnetic-drive-pump-2-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/self-priming-magnetic-drive-pump-2-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/self-priming-magnetic-drive-pump-2-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/self-priming-magnetic-drive-pump-2-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/self-priming-magnetic-drive-pump-2-16x12.webp 16w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/self-priming-magnetic-drive-pump-2.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\/2026\/05\/Magnetic-Drive-Centrifugal-Pump-CYQ-4-1024x768.webp\" width=\"1024\" height=\"768\" alt=\"Magnetic Drive Centrifugal Pump\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Centrifugal-Pump-CYQ-4.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Centrifugal-Pump-CYQ-4.webp\" data-id=\"5570\" class=\"wp-image-5570\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Centrifugal-Pump-CYQ-4-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Centrifugal-Pump-CYQ-4-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Centrifugal-Pump-CYQ-4-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Centrifugal-Pump-CYQ-4-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Centrifugal-Pump-CYQ-4-16x12.webp 16w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Centrifugal-Pump-CYQ-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\/CQZ-Stainless-Steel-Self-Priming-Magnetic-Drive-Pump-3.webp\" width=\"800\" height=\"600\" alt=\"CQZ Stainless Steel Self Priming Magnetic Drive Pump\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/CQZ-Stainless-Steel-Self-Priming-Magnetic-Drive-Pump-3.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/CQZ-Stainless-Steel-Self-Priming-Magnetic-Drive-Pump-3.webp\" data-id=\"1773\" class=\"wp-image-1773\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/CQZ-Stainless-Steel-Self-Priming-Magnetic-Drive-Pump-3.webp 800w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/CQZ-Stainless-Steel-Self-Priming-Magnetic-Drive-Pump-3-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/CQZ-Stainless-Steel-Self-Priming-Magnetic-Drive-Pump-3-768x576.webp 768w\" 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\/Zero-Leakage-Technology-Why-Magnetic-Drive-Pump_.webp\" width=\"800\" height=\"800\" alt=\"\" data-full-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Zero-Leakage-Technology-Why-Magnetic-Drive-Pump_.webp\" data-light-image=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Zero-Leakage-Technology-Why-Magnetic-Drive-Pump_.webp\" data-id=\"1475\" class=\"wp-image-1475\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Zero-Leakage-Technology-Why-Magnetic-Drive-Pump_.webp 800w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Zero-Leakage-Technology-Why-Magnetic-Drive-Pump_-300x300.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Zero-Leakage-Technology-Why-Magnetic-Drive-Pump_-150x150.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2025\/10\/Zero-Leakage-Technology-Why-Magnetic-Drive-Pump_-768x768.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/figure><\/div><\/li><\/ul><\/div>\n\n\n<h3 id=\"self-priming-and-vertical-pumps-for-tank-unloading\" class=\"wp-block-heading\">Self-priming and vertical pumps for tank unloading<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tanker unloading and below-grade tanks may require suction lift. A <a href=\"https:\/\/changyupump.com\/self-priming-pump\/\">self-priming pump<\/a> can help establish suction, but priming time, vapour handling and NPSH must still be checked for ammonia solution. A <a href=\"https:\/\/changyupump.com\/semi-submerged-pump\/\">vertical semi-submerged pump<\/a>, with its hydraulic section below the minimum liquid level and motor above the tank, is another arrangement to assess. Tank vapour containment must be specified independently.<\/p>\n\n\n<style>.kb-row-layout-id7850_18b09f-af > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id7850_18b09f-af > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id7850_18b09f-af > .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:repeat(2, minmax(0, 1fr));}.kb-row-layout-id7850_18b09f-af > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id7850_18b09f-af > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id7850_18b09f-af > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id7850_18b09f-af 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-column7850_fb9d2d-5f > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column7850_fb9d2d-5f > .kt-inside-inner-col{flex-direction:column;}.kadence-column7850_fb9d2d-5f > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column7850_fb9d2d-5f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column7850_fb9d2d-5f{position:relative;}@media all and (max-width: 1024px){.kadence-column7850_fb9d2d-5f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column7850_fb9d2d-5f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column7850_fb9d2d-5f\"><div class=\"kt-inside-inner-col\">\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=\"Self priming pump product introduction\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/Q4BupbaNQ3A?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<\/div><\/div>\n\n\n<style>.kadence-column7850_88d671-23 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column7850_88d671-23 > .kt-inside-inner-col{flex-direction:column;}.kadence-column7850_88d671-23 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column7850_88d671-23 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column7850_88d671-23{position:relative;}@media all and (max-width: 1024px){.kadence-column7850_88d671-23 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column7850_88d671-23 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column7850_88d671-23\"><div class=\"kt-inside-inner-col\">\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=\"FY series stainless steel semi submersible submers\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/chieLvXxwpc?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<\/div><\/div>\n\n<\/div><\/div>\n\n\n<h3 id=\"diaphragm-and-immersed-pumps-for-intermittent-duties\" class=\"wp-block-heading\">Diaphragm and immersed pumps for intermittent duties<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Air-operated double diaphragm pumps can suit intermittent transfer, drum unloading and small-volume duties when the diaphragm, valve and elastomer materials are compatible. Precise dosing may require a metering pump and pulsation control. For bund evacuation, assess a chemical-resistant immersed or fully submersible design against the actual liquid and its motor protection and vapour-containment requirements.<\/p>\n\n\n\n<h2 id=\"seals-flush-plans-and-vapour-control\" class=\"wp-block-heading\">Seals, Flush Plans and Vapour Control<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Seal reliability depends on face lubrication, chamber pressure, temperature and the compatibility of every secondary seal. Dry running and flashing can damage an otherwise chemically suitable seal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Select the seal support arrangement with the seal supplier. Plan 11 recirculates process liquid from pump discharge to the seal chamber; it is not an external clean flush. Plan 32 uses an external flush, whose compatibility, pressure and effect on product dilution must be checked. A quench serves a different function and does not replace face lubrication. Where containment requires a dual pressurised seal, specify the barrier-fluid system, monitoring and failure response together.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do not operate the pump against a closed discharge beyond the manufacturer\u2019s permitted duration: heat accumulation can increase flashing and damage internal components. Route vents and drains to the plant\u2019s approved recovery or treatment system, and provide low-level and loss-of-flow protection.<\/p>\n\n\n\n<h2 id=\"the-six-numbers-we-ask-for-before-sizing\" class=\"wp-block-heading\">The Six Numbers We Ask For Before Sizing<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Concentration and temperature range<\/strong> \u2014 % NH\u2083 by weight, plus minimum and maximum liquid temperature across the year.<\/li>\n\n\n\n<li><strong>Duty point<\/strong> \u2014 flow in m\u00b3\/h and head in metres, or the two end conditions the pump must cover.<\/li>\n\n\n\n<li><strong>Suction arrangement<\/strong> \u2014 flooded or lift, line size and length, NPSH available if calculated.<\/li>\n\n\n\n<li><strong>Duty cycle<\/strong> \u2014 continuous or batch, hours per day, whether dry running is possible.<\/li>\n\n\n\n<li><strong>Loop materials<\/strong> \u2014 pipe material, valve types, any copper-alloy components upstream or downstream.<\/li>\n\n\n\n<li><strong>Documentation and area classification<\/strong> \u2014 ATEX zone, material certificates, witness testing, destination-country import requirements.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">These details allow us to compare pump arrangements and identify the checks needed before confirming materials and sizing.<\/p>\n\n\n\n<h2 id=\"five-failure-modes-to-check\" class=\"wp-block-heading\">Five failure modes to check<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cavitation after a temperature rise.<\/strong> The pump was sized on winter conditions. Fix the suction layout or add NPSH margin, not just a bigger motor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dry-running or overheating damage.<\/strong> Loss of liquid can damage mechanical seal faces and magnetic-drive bearings. Closed-discharge operation can overheat the pump. Specify low-level, temperature and flow protection as appropriate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Impeller corrosion from a brass or bronze component.<\/strong> Often inherited from an older installation where only the casing was replaced.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Product discolouration from iron pickup.<\/strong> Carbon steel in the wetted path of a plant that needs a colourless product.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Leakage at the shaft seal.<\/strong> Review seal condition and whether the selected containment arrangement meets the indoor ventilation, detection and emissions requirements.<\/p>\n\n\n\n<h2 id=\"how-chuangyu-pump-supports-ammonia-projects\" class=\"wp-block-heading\">How Chuangyu Pump supports ammonia projects<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For ammonia projects, we review concentration, temperature, contaminants and containment requirements before proposing a pump. The agreed inspection scope can include material traceability, lining checks and pressure and performance testing. Certification must match the selected model and installation; request the applicable documents with the quotation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We can help compare lined, stainless and sealless options so the configuration follows the duty. Review our <a href=\"https:\/\/changyupump.com\/quality-control\/\">quality control process<\/a> and <a href=\"https:\/\/changyupump.com\/pump-services-and-technical-support\/\">service and technical support<\/a> for the available inspection and project support routes.<\/p>\n\n\n\n<h2 id=\"frequently-asked-questions\" class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Can a standard stainless steel centrifugal pump handle 25% aqueous ammonia?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A suitable stainless steel centrifugal pump may handle 25% aqueous ammonia when the exact steel grade, every wetted component, seals and containment arrangement are approved for the solution and temperature. Exclude copper alloys and check contaminants, solution vapour pressure and NPSH. EPDM or PTFE-based secondary seals alone do not establish that the complete pump is suitable.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the best pump material for aqueous ammonia?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PTFE, PFA and FEP linings and suitable stainless grades are options to evaluate. The choice depends on concentration, temperature, contaminants, pressure and product-purity requirements. Exclude copper alloys and verify all seals, fittings and auxiliary materials against supplier compatibility data.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why does my ammonia pump keep cavitating?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">High solution vapour pressure, suction losses, gas release or air ingress can all cause unstable operation. Check NPSH available at the highest temperature and lowest tank level against the selected pump curve, then inspect the suction line and inlet submergence.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can I use a magnetic drive pump for aqueous ammonia?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes, provided its wetted materials, containment design and hydraulic performance suit the solution. Magnetic drive removes the dynamic shaft seal, but requires protection against dry running, overheating and loss of flow.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Which seal material should I specify for ammonia?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EPDM and PTFE-based secondary seals are common options, subject to the actual temperature and solution composition. FKM is generally unsuitable for ammonia. Confirm the exact compound, seal faces and support arrangement with the seal supplier.<\/p>\n\n\n\n<h2 id=\"choosing-the-right-pump-starts-with-the-duty-point\" class=\"wp-block-heading\">Choosing the Right Pump Starts With the Duty Point<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Reliable ammonia transfer depends on adequate suction margin, compatible wetted parts and a seal or containment arrangement matched to the duty. Checking these together is more useful than selecting from a material chart alone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Send us your concentration, temperature, flow and head, and we will come back with a recommended pump type, wetted materials and seal arrangement \u2014 with the reasoning attached, so your team can check it against your own process data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/changyupump.com\/contacts\/\">Request a quote from Chuangyu Pump<\/a><\/strong><\/p>\n\n\n\n<h2 id=\"recommended-chuangyu-pumps\" class=\"wp-block-heading\">Chuangyu Pump options for aqueous ammonia transfer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We compare lined, magnetic-drive and stainless steel designs against the same ammonia duty. The right choice depends on concentration, temperature, product purity, inlet conditions and the containment required by your plant.<\/p>\n\n\n<style>.kt-post-loop7850_9618d7-14 .kadence-post-image{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kt-post-loop7850_9618d7-14 .kt-post-grid-wrap{gap:30px 30px;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-grid-item{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;overflow:hidden;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-grid-item .kt-blocks-post-grid-item-inner{padding-top:15px;padding-right:25px;padding-bottom:25px;padding-left:25px;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-grid-item header{padding-top:0px;padding-right:0px;padding-bottom:10px;padding-left:0px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-grid-item .entry-title{padding-top:10px;padding-right:0px;padding-bottom:5px;padding-left:0px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-size:24px;line-height:30px;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-grid-item .kt-blocks-post-top-meta{color:#777777;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-grid-item .kt-blocks-post-top-meta a{color:#777777;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-grid-item .kt-blocks-post-top-meta a:hover{color:#444444;}.kt-post-loop7850_9618d7-14 .entry-content{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-footer{color:#777777;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-size:12px;line-height:20px;}.kt-post-loop7850_9618d7-14 .entry-content:after{height:0px;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-footer a{color:#777777;}.kt-post-loop7850_9618d7-14 .kt-blocks-post-footer a:hover{color:#444444;}.kt-post-loop7850_9618d7-14 .kb-filter-item{border-top-width:0px;border-right-width:0px;border-bottom-width:2px;border-left-width:0px;padding-top:5px;padding-right:8px;padding-bottom:5px;padding-left:8px;margin-top:0px;margin-right:10px;margin-bottom:0px;margin-left:0px;}<\/style><div class=\"wp-block-kadence-postgrid kt-blocks-post-loop-block alignnone kt-post-loop7850_9618d7-14 kt-post-grid-layout-grid \"><div class=\"kt-post-grid-layout-grid-wrap kt-post-grid-wrap\" data-columns-xxl=\"3\" data-columns-xl=\"3\" data-columns-md=\"3\" data-columns-sm=\"2\" data-columns-xs=\"1\" data-columns-ss=\"1\"data-item-selector=\".kt-post-masonry-item\" aria-label=\"Post Carousel\"><article class=\"kt-blocks-post-grid-item post-1075 product type-product status-publish format-standard has-post-thumbnail hentry\"><div class=\"kt-blocks-post-grid-item-inner-wrap kt-feat-image-align-top kt-feat-image-mobile-align-top\"><div class=\"kadence-post-image\"><div class=\"kadence-post-image-intrisic kt-image-ratio-66-67\" style=\"padding-bottom:66.67%;\"><div class=\"kadence-post-image-inner-intrisic\"><a aria-hidden=\"true\" tabindex=\"-1\" role=\"presentation\" href=\"https:\/\/changyupump.com\/pt\/product\/cyf-series-fluoroplastic-centrifugal-pump\/\" aria-label=\"CYF Series Fluoroplastic Centrifugal Pump\" class=\"kadence-post-image-inner-wrap\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Fluoroplastic-Centrifugal-Pump-1-1024x768.webp\" class=\"attachment-large size-large wp-post-image\" alt=\"Fluoroplastic Centrifugal Pump\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Fluoroplastic-Centrifugal-Pump-1-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Fluoroplastic-Centrifugal-Pump-1-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Fluoroplastic-Centrifugal-Pump-1-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Fluoroplastic-Centrifugal-Pump-1-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Fluoroplastic-Centrifugal-Pump-1-16x12.webp 16w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Fluoroplastic-Centrifugal-Pump-1.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/div><\/div><\/div><div class=\"kt-blocks-post-grid-item-inner\"><header><h2 class=\"entry-title\"><a href=\"https:\/\/changyupump.com\/pt\/product\/cyf-series-fluoroplastic-centrifugal-pump\/\">CYF Series Fluoroplastic Centrifugal Pump<\/a><\/h2><div class=\"kt-blocks-post-top-meta\"><\/div><\/header><div class=\"entry-content\">CYF Fluoroplastic Centrifugal Pump is designed for handling highly corrosive chemicals such as acids, alkalis, solvents and wastewater. With FEP,&#8230;<\/div><footer class=\"kt-blocks-post-footer\"><div class=\"kt-blocks-post-footer-left\"><\/div><div class=\"kt-blocks-post-footer-right\"><\/div><\/footer><\/div><\/div><\/article><article class=\"kt-blocks-post-grid-item post-1573 product type-product status-publish format-standard has-post-thumbnail hentry\"><div class=\"kt-blocks-post-grid-item-inner-wrap kt-feat-image-align-top kt-feat-image-mobile-align-top\"><div class=\"kadence-post-image\"><div class=\"kadence-post-image-intrisic kt-image-ratio-66-67\" style=\"padding-bottom:66.67%;\"><div class=\"kadence-post-image-inner-intrisic\"><a aria-hidden=\"true\" tabindex=\"-1\" role=\"presentation\" href=\"https:\/\/changyupump.com\/pt\/product\/sulfuric-acid-transfer-pump\/\" aria-label=\"CYQ Series sulfuric acid transfer pump\" class=\"kadence-post-image-inner-wrap\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Chemical-Pump-CYQ-4-1024x768.webp\" class=\"attachment-large size-large wp-post-image\" alt=\"Magnetic Drive Chemical Pump CYQ\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Chemical-Pump-CYQ-4-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Chemical-Pump-CYQ-4-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Chemical-Pump-CYQ-4-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Chemical-Pump-CYQ-4-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Chemical-Pump-CYQ-4-16x12.webp 16w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/05\/Magnetic-Drive-Chemical-Pump-CYQ-4.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/div><\/div><\/div><div class=\"kt-blocks-post-grid-item-inner\"><header><h2 class=\"entry-title\"><a href=\"https:\/\/changyupump.com\/pt\/product\/sulfuric-acid-transfer-pump\/\">CYQ Series sulfuric acid transfer pump<\/a><\/h2><div class=\"kt-blocks-post-top-meta\"><\/div><\/header><div class=\"entry-content\">Leak-free magnetic drive pump for safe sulfuric acid transfer across all concentrations and harsh industrial conditions.<\/div><footer class=\"kt-blocks-post-footer\"><div class=\"kt-blocks-post-footer-left\"><\/div><div class=\"kt-blocks-post-footer-right\"><\/div><\/footer><\/div><\/div><\/article><article class=\"kt-blocks-post-grid-item post-1543 product type-product status-publish format-standard has-post-thumbnail hentry\"><div class=\"kt-blocks-post-grid-item-inner-wrap kt-feat-image-align-top kt-feat-image-mobile-align-top\"><div class=\"kadence-post-image\"><div class=\"kadence-post-image-intrisic kt-image-ratio-66-67\" style=\"padding-bottom:66.67%;\"><div class=\"kadence-post-image-inner-intrisic\"><a aria-hidden=\"true\" tabindex=\"-1\" role=\"presentation\" href=\"https:\/\/changyupump.com\/pt\/product\/stainless-steel-centrifugal-chemical-pump\/\" aria-label=\"CYH Series Stainless Steel Centrifugal Chemical Pump\" class=\"kadence-post-image-inner-wrap\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/04\/Stainless-Steel-Centrifugal-Chemical-Pump-3-1024x768.webp\" class=\"attachment-large size-large wp-post-image\" alt=\"Stainless Steel Pump\" srcset=\"https:\/\/changyupump.com\/wp-content\/uploads\/2026\/04\/Stainless-Steel-Centrifugal-Chemical-Pump-3-1024x768.webp 1024w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/04\/Stainless-Steel-Centrifugal-Chemical-Pump-3-300x225.webp 300w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/04\/Stainless-Steel-Centrifugal-Chemical-Pump-3-150x113.webp 150w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/04\/Stainless-Steel-Centrifugal-Chemical-Pump-3-768x576.webp 768w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/04\/Stainless-Steel-Centrifugal-Chemical-Pump-3-16x12.webp 16w, https:\/\/changyupump.com\/wp-content\/uploads\/2026\/04\/Stainless-Steel-Centrifugal-Chemical-Pump-3.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/div><\/div><\/div><div class=\"kt-blocks-post-grid-item-inner\"><header><h2 class=\"entry-title\"><a href=\"https:\/\/changyupump.com\/pt\/product\/stainless-steel-centrifugal-chemical-pump\/\">CYH Series Stainless Steel Centrifugal Chemical Pump<\/a><\/h2><div class=\"kt-blocks-post-top-meta\"><\/div><\/header><div class=\"entry-content\">High-performance CYH series stainless steel centrifugal chemical pumps. Flow: 0.8\u2013750m\u00b3\/h, Temp up to 280\u00b0C. ISO 2858 compliant &#038; OEM\/ODM support&#8230;<\/div><footer class=\"kt-blocks-post-footer\"><div class=\"kt-blocks-post-footer-left\"><\/div><div class=\"kt-blocks-post-footer-right\"><\/div><\/footer><\/div><\/div><\/article><\/div><\/div><!-- .wp-block-kadence-postgrid -->\n\n\n<h2 id=\"contact-chuangyu-pump\" class=\"wp-block-heading\">Discuss your pump duty with our team<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Send us NH\u2083 concentration by weight, the temperature range, flow and head, minimum tank level and suction layout. Tell us the required emissions control, area classification and any contaminants or product-purity limits.<\/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 ,.kb-row-layout-id6018_7ce383-38 h1,.kb-row-layout-id6018_7ce383-38 h2,.kb-row-layout-id6018_7ce383-38 h3,.kb-row-layout-id6018_7ce383-38 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.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{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) > 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.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{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 > 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.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<h2 id=\"chuangyu-factory-video\" class=\"wp-block-heading\">Inside Anhui Chuangyu Pump\u2019s factory<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Watch our official CHANGYU PUMP company introduction for a look inside our manufacturing facility and pump production.<\/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=\"CHANGYU company introduce\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/WEFwgg-Bu8U?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","protected":false},"excerpt":{"rendered":"<p>Especifique uma bomba para am\u00f4nia aquosa com base na concentra\u00e7\u00e3o, temperatura, materiais compat\u00edveis, op\u00e7\u00f5es de veda\u00e7\u00e3o e NPSH. Analise as condi\u00e7\u00f5es de transfer\u00eancia com a Chuangyu Pump.<\/p>","protected":false},"author":1,"featured_media":7865,"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-7850","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\/11\/aqueous-ammonia-pump-1024x768.webp",1024,768,true],"author_info":{"display_name":"jade@changyupump.com","author_link":"https:\/\/changyupump.com\/pt\/author\/jadechangyupump-com\/"},"comment_info":0,"category_info":[{"term_id":12,"name":"Blog","slug":"blog","term_group":0,"term_taxonomy_id":12,"taxonomy":"category","description":"","parent":0,"count":216,"filter":"raw","cat_ID":12,"category_count":216,"category_description":"","cat_name":"Blog","category_nicename":"blog","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/posts\/7850","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/comments?post=7850"}],"version-history":[{"count":6,"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/posts\/7850\/revisions"}],"predecessor-version":[{"id":7872,"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/posts\/7850\/revisions\/7872"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/media\/7865"}],"wp:attachment":[{"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/media?parent=7850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/categories?post=7850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/changyupump.com\/pt\/wp-json\/wp\/v2\/tags?post=7850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}