CQZ Series Stainless Steel Self Priming Pump

The CQZ Stainless Steel Self-Priming Pump is a specialized pompe centrifuge that combines magnetic drive technology with self-priming functionality. It replaces the traditional dynamic seal design with a static seal, ensuring a completely sealed pump flow path and eliminating the risk of media leakage.

The CQZ Pompe auto-amorçante is widely used for transporting corrosive media in chemical, pharmaceutical, electroplating, and environmental protection industries. It is particularly suitable for handling flammable, explosive, toxic, or valuable liquids, serving as an energy-efficient, safe, and reliable fluid transfer solution.

Plage de débit :

3m³/h ~ 800m³/h

Gamme de têtes :

12,5 m ~ 130 m

Puissance du moteur :

1,5 kw ~ 160 kw

Vitesse :

968 ~ 3450 r/min

Gamme de température moyenne :

-120℃~320℃

Matériaux personnalisables :

304、304L、316L、2205/904L、TA2、HC276

What is a Stainless Steel Self-Priming Pump

Changyu’s CQZ stainless steel self-priming pump is a stainless steel self-priming magnetic drive pump designed and manufactured to combine the advantages of pompes en acier inoxydable, pompes auto-amorçantes, et pompes à entraînement magnétique., with wetted components made of stainless steel (304, 316L, duplex steel, titanium, etc.). The key difference from standard centrifugal pumps is that it does not require priming or a foot valve before startup(The pump must be primed during the initial startup, For instructions on how to prime the pump, please read: Comment amorcer une pompe centrifuge). The pump’s internal self-priming structure evacuates air from the suction line and draws in liquid automatically.

The CQZ series integrates magnetic drive technology with the following specific features:

  • Self-Priming Principle: The impeller rotates at high speed, creating negative pressure inside the pump chamber. Air from the suction line is evacuated. Once air is removed, liquid enters the pump chamber and delivery begins.
  • Type de joint: Static seal replaces traditional mechanical seal. The outer magnet drives the inner magnet. The isolation sleeve fully contains the pumped medium inside the pump chamber. No dynamic seal points exist.
  • Options de matériaux: Pump casing, impeller, isolation sleeve and other wetted parts can be selected from 304, 304L, 316L, 2205, 904L, TA2, HC276 to suit different corrosive media.
  • Plage de température: -120°C to 320°C (depending on material configuration).
  • Performance Range: Flow rate 3~800 m³/h, head 12.5~130 m, motor power 1.5~160 kW.

Comparison with conventional pumps:

ObjetMechanical Seal Centrifugal PumpCQZ Stainless Steel Self-Priming Pump
Priming required before startupOuiNon
Type de jointDynamic seal (mechanical seal)Static seal (isolation sleeve)
Risque de fuiteYes (seal wear)Aucun
Suitable mediaLimited by seal compatibilityCorrosive, flammable, toxic, high-purity media
Self-priming capabilityNo (requires foot valve or priming)Oui

Applications typiques : Chemical, pharmaceutical, electroplating, and environmental protection industries for transferring acids, alkalis, organic solvents, electroplating solutions, wastewater treatment chemicals, and other media. Particularly suitable for applications requiring zero leakage and no priming.

For sizing based on specific operating conditions (medium, temperature, self-priming height, flow rate, head), provide parameters for a configuration recommendation.

Applications of Stainless Steel Self Priming Pump

The CQZ series is designed for applications requiring leak-free operation, self-priming capability, and corrosion resistance. Built with magnetic drive (static seal), stainless steel wetted parts, and self-priming structure. No mechanical seal, no priming required before startup.

Supports compatibles :
Sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, acetic acid, sodium hydroxide, sodium hypochlorite, organic solvents (acetone, ethanol, methanol), electroplating solutions (nickel, chromium, copper), pharmaceutical intermediates, high-purity chemicals, dye solutions, wastewater containing chemical reagents, brine, weak acid/alkali process liquids, and other corrosive or hazardous fluids.

Industries pharmaceutiques et de chimie fine

Chimie et pétrochimie

Transfer of acids, alkalis, organic solvents, and volatile chemicals. Suitable for flammable, explosive, or toxic media where zero leakage is required.

Industrie pharmaceutique

Industrie pharmaceutique

Transfer of high-purity pharmaceutical solutions, intermediates, and solvents. Static seal design prevents contamination.

Placage électrolytique

Electroplating & Surface Finishing

Circulation and transfer of electroplating solutions (nickel, chromium, copper, zinc), pickling baths, and rinsing water. Corrosion-resistant materials handle aggressive chemistries.

Transformation des aliments

Food & Fine Chemical

Transfer of food additives, flavorings, and high-value liquids where leakage is unacceptable and material purity must be maintained.

For applications not listed above or requiring specific operating conditions:

Contact ChangYu Pump for a solution tailored to your actual media composition, temperature, self-priming height, flow rate, head, and material requirements.

Besoin d'une réponse rapide ou d'un devis personnalisé ? Notre équipe répond dans les 24 heures avec un soutien personnalisé.

Courriel : [email protected]

WhatsApp : +86-13651913727

Components and Specifications of the Stainless Steel Self-Priming Pump

Parts of Stainless Steel Self Priming Pump

The CQZ Stainless Steel Self Priming Pump primarily consists of a magnetic drive assembly (inner and outer magnet assemblies), pump body, impeller, isolation sleeve, and supporting structural components. The magnetic drive system enables non-contact power transmission. The impeller and flow passages are constructed from corrosion-resistant materials. The isolation sleeve positioned between the inner and outer magnets creates a fully sealed environment, ensuring zero leakage of the pumped medium.erent configuration, provide an accurate solution. Technical consulting, please contact us!

Pièces pour pompe à entraînement magnétique auto-amorçante CQZ

Principe de fonctionnement

Le principe de fonctionnement de la pompe magnétique auto-amorçante CQZ est basé sur la transmission par couplage magnétique pour un transfert de puissance sans contact. Le moteur entraîne la rotation de l'ensemble en acier magnétique extérieur. Le champ magnétique pénètre dans le manchon d'isolation, entraînant la rotation synchronisée de l'acier magnétique interne et de la roue. Pendant la phase d'auto-amorçage, la rotation à grande vitesse de la roue crée un vide à l'intérieur de la chambre de la pompe, aspirant automatiquement le liquide et achevant le processus de refoulement.

Spécifications

ModèleDébit (m³/h)Tête (m)Efficacité (%)Puissance du moteur (kW)Vitesse (tr/min)Entrée (mm)Sortie (mm)
Petit débit / grande vitesse (2900 tr/min)
32-20-1253.220161.529003220
32-20-1603.232152.229003220
40-25-1606.332233.029004025
50-32-20012.550307.529005032
65-50-1252520414.029006550
65-40-2502580243029006540
Débit moyen / vitesse élevée (2900 tr/min)
80-65-1255020565.529008065
80-50-2505080383729008050
100-80-160100324722290010080
100-65-250100805155290010065
125-100-2002005059552900125100
Grand débit / faible vitesse (1450 tr/min)
150-125-2502002051221450150125
150-125-4002005056551450150125
200-150-2504002068371450200150
200-150-40040050521101450200150
250-200-40060050471851450250200

Features of Stainless Steel Self Priming Pump

  • Conception de joint statique sans fuite : Remplace les joints dynamiques traditionnels par une structure d'étanchéité statique, assurant une étanchéité complète des composants traversant le flux et éliminant les problèmes de fuite fréquents dans les pompes à garniture mécanique.
  • Compact et peu encombrant : La conception compacte et peu encombrante permet d'économiser de l'espace d'installation tout en conservant un aspect esthétique, ce qui en fait la solution idéale pour les applications présentant des exigences en matière d'agencement et d'aspect visuel.
  • Faible bruit et fonctionnement régulier : Fonctionne avec un minimum de bruit et de vibrations, ce qui améliore la longévité et la fiabilité de l'équipement.
  • Forte capacité d'auto-amorçage et fonctionnement simple : Élimine le besoin de clapets de pied ou d'eau d'amorçage. L'excellente performance d'auto-amorçage permet une aspiration rapide du liquide au démarrage, ce qui simplifie considérablement les procédures opérationnelles.
  • Entretien facile et fonctionnement fiable : La structure rationnelle avec un faible taux de défaillance nécessite un entretien de routine minimal. Elle garantit un fonctionnement stable à long terme et réduit les coûts d'exploitation globaux.
  • Matériaux résistants à la corrosion : Les composants de passage sont fabriqués en acier inoxydable de haute qualité résistant à la corrosion, adapté au transport de divers produits chimiques, y compris les acides, les alcalis et les solvants organiques.

Custom Stainless Steel Self Priming Pump

Afin de vous fournir un devis précis et une solution optimale, veuillez fournir les informations techniques suivantes :

Propriétés moyennes : Spécifiez le nom exact, la concentration, la température, la viscosité et la teneur en particules (taille et concentration des particules) du fluide transporté.

Paramètres de fonctionnement : Débit : ____ m³/h, Hauteur de chute : ____ m, Hauteur d'auto-amorçage : ____ m

Conditions de fonctionnement : Température de fonctionnement ___℃ ; Pression d'entrée ___MPa ; Environnement d'installation (intérieur/extérieur, exigences antidéflagrantes, etc.).

Exigences matérielles : En fonction de la corrosivité du fluide, spécifier les préférences de matériaux pour les composants en contact avec le fluide, tels que le corps de la pompe et la douille d'isolation (par exemple, 304, 316L, Hastelloy, etc.).

Connexions requises : Diamètre d'entrée : _____, Diamètre de sortie : _____

Méthode de connexion : (par exemple, norme de bride, spécification de filetage).

By providing the above information, Nous contacter, our engineers will tailor a customized solution and provide a prompt quotation.

China Stainless Steel Self Priming Pump Manufacturer & Factory

Changyu is a Stainless Steel Self Priming Pump manufacturer and factory, specializing in the production of high-quality self-priming magnetic drive pumps with excellent corrosion resistance and reliable performance. Equipped with advanced production facilities and a dedicated technical team, we ensure strict quality control and consistent product stability. Our company is certified to the ISO 9001 international quality management system, and our products comply with CE, ATEX, EAC, and API standards. Changyu also holds 25 invention patents.

Nous disposons d'un stock suffisant pour assurer une livraison rapide et proposons des services de conception personnalisés, notamment en ce qui concerne les paramètres tels que la hauteur de chute, le débit, la composition des matériaux, les spécifications du moteur, les méthodes d'étanchéité et les configurations d'installation afin de répondre aux différentes conditions d'exploitation. Contactez notre équipe pour des solutions personnalisées et des devis très compétitifs.

Courriel : [email protected]

WhatsApp : +86-13651913727

Salon de l'usine

FAQ

A stainless steel self priming pump is a centrifugal pump with integrated self-priming capability and corrosion-resistant stainless steel wetted parts. The CQZ series from ChangYu Pump combines self-priming structure with magnetic drive technology. The impeller rotates at high speed, creating negative pressure that evacuates air from the suction line. Once air is removed, liquid is drawn into the pump chamber. Unlike mechanical seal pumps, the CQZ uses a static seal (isolation sleeve) with no dynamic seal points, eliminating leakage risk. No foot valve or manual priming is required before startup.

The CQZ stainless steel self priming magnetic drive pump delivers the following technical specifications:

  • Flow rate: 3 to 800 m³/h
  • Head: 12.5 to 130 m
  • Motor power: 1.5 to 160 kW
  • Speed: 968 to 3450 r/min
  • Medium temperature: -120°C to 320°C
  • Material options: 304, 304L, 316L, 2205, 904L, TA2, HC276

ChangYu Pump provides complete datasheets with pump curves for each model. Selection depends on actual operating conditions including media composition, temperature, self-priming height, and required flow/head.

The CQZ stainless steel self priming pump is compatible with a wide range of corrosive and hazardous media:

  • Acids: sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, acetic acid
  • Alkalis: sodium hydroxide, potassium hydroxide
  • Organic solvents: acetone, ethanol, methanol, toluene
  • Electroplating solutions: nickel, chromium, copper, zinc baths
  • Pharmaceutical intermediates and high-purity chemicals
  • Dye solutions and wastewater treatment reagents

Material selection (316L, 2205, HC276, TA2) depends on specific media concentration, temperature, and chloride content. ChangYu Pump offers application engineering support to verify material compatibility for your specific fluid.

No. The CQZ stainless steel self priming pump is designed to operate without manual priming or a foot valve. The self-priming structure automatically evacuates air from the suction line during startup. This is a key advantage over standard centrifugal pumps which require the pump casing and suction line to be completely filled with liquid before operation.

For proper operation, ensure the suction lift does not exceed the pump’s self-priming capacity. Provide your actual self-priming height (in meters) to ChangYu Pump for verification during the selection process.

FonctionnalitéPompe à garniture mécaniqueCQZ Magnetic Drive Pump (ChangYu)
Type de jointDynamic (mechanical seal)Static (isolation sleeve)
Risque de fuiteYes – seal wears over timeNone – no dynamic seal points
Maintenance frequencyHigher – seal replacement requiredLower – no seal maintenance
Suitable for flammable/toxic mediaLimited by seal reliabilityYes – fully contained
Self-priming capabilityRequires specific designAvailable (CQZ series)
Priming required before startupDepends on designNon

The CQZ stainless steel self priming magnetic drive pump is preferred for applications handling corrosive, flammable, toxic, or high-purity liquids where zero leakage is mandatory.

To select the correct CQZ stainless steel self priming pump from ChangYu Pump, provide the following operating parameters:

  • Débit (m³/h) et head (m)
  • Self-priming height (m) – vertical distance from liquid source to pump centerline
  • Medium properties – exact name, concentration (%), temperature (°C), viscosity, solids content (particle size and concentration)
  • Material requirement – based on corrosiveness (304, 316L, 2205, 904L, TA2, HC276)
  • Conditions de fonctionnement – inlet pressure, indoor/outdoor installation, explosion-proof requirements
  • Connection type – flange standard, pipe diameter

ChangYu Pump provides selection guidance, pump curves, and customized configurations for unique head, flow, or corrosion resistance requirements. Contact with your parameters for a configuration recommendation within 24 hours.

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