CQZ Series Stainless Steel Self Priming Pump

The CQZ Stainless Steel Self-Priming Pump is a specialized bomba centrífuga 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 Bomba autoescorvante 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.

Gama de caudais :

3m³/h ~ 800m³/h

Gama de cabeças:

12,5 m ~ 130 m

Potência do motor :

1,5 kw ~ 160 kw

Velocidade:

968 ~ 3450 r/min

Gama de temperaturas médias:

-120℃~320℃

Materiais personalizáveis:

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 bombas de aço inoxidável, bombas auto-ferrantes, e bombas de acionamento magnético., 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: Como escorvar uma bomba centrífuga). 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.
  • Tipo de vedação: 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.
  • Opções de materiais: 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.
  • Gama de temperaturas: -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:

ItemMechanical Seal Centrifugal PumpCQZ Stainless Steel Self-Priming Pump
Priming required before startupSimNão
Tipo de vedaçãoDynamic seal (mechanical seal)Static seal (isolation sleeve)
Risco de fugaYes (seal wear)Nenhum
Suitable mediaLimited by seal compatibilityCorrosive, flammable, toxic, high-purity media
Self-priming capabilityNo (requires foot valve or priming)Sim

Aplicações típicas: 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.

Suportes compatíveis:
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.

Indústrias farmacêutica e de química fina

Química e Petroquímica

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

Indústria farmacêutica

Indústria farmacêutica

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

Galvanoplastia

Electroplating & Surface Finishing

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

Processamento de alimentos

Food & Fine Chemical

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

Para aplicações não listadas acima ou que exijam condições de funcionamento específicas:

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

Precisa de uma resposta rápida ou de um orçamento personalizado? A nossa equipa responde no prazo de 24 horas com apoio individualizado.

Correio eletrónico: [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!

Peças da bomba de acionamento magnético auto-ferrante CQZ

Princípio de funcionamento

O princípio de funcionamento da bomba autoaspirante magnética CQZ baseia-se na transmissão por acoplamento magnético para transferência de energia sem contacto. O motor acciona o conjunto de aço magnético exterior para rodar. O campo magnético penetra na manga de isolamento, levando o aço magnético interior e o impulsor a rodar em sincronia. Durante a fase de auto-ferragem, a rotação a alta velocidade do impulsor cria um vácuo dentro da câmara da bomba, aspirando automaticamente o líquido e completando o processo de distribuição.

Especificações

ModeloCaudal (m³/h)Cabeça (m)Eficiência (%)Potência do motor (kW)Velocidade (rpm)Entrada (mm)Saída (mm)
Pequeno caudal / Alta velocidade (2900 rpm)
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
Caudal médio / Velocidade elevada (2900 rpm)
80-65-1255020565.529008065
80-50-2505080383729008050
100-80-160100324722290010080
100-65-250100805155290010065
125-100-2002005059552900125100
Grande caudal / Baixa velocidade (1450 rpm)
150-125-2502002051221450150125
150-125-4002005056551450150125
200-150-2504002068371450200150
200-150-40040050521101450200150
250-200-40060050471851450250200

Features of Stainless Steel Self Priming Pump

  • Design de vedação estática sem fugas: Substitui os vedantes dinâmicos tradicionais por uma estrutura de vedante estático, garantindo uma vedação completa dos componentes de passagem do fluxo e eliminando os problemas de fugas comuns nas bombas de vedante mecânico.
  • Compacto e economizador de espaço: Apresenta um design compacto e eficiente em termos de espaço que poupa espaço de instalação ao mesmo tempo que mantém um aspeto esteticamente agradável, tornando-o ideal para aplicações com requisitos visuais e de disposição.
  • Baixo ruído e funcionamento suave: Funciona com o mínimo de ruído e vibração, aumentando a longevidade e a fiabilidade do equipamento.
  • Forte capacidade de auto-escorvamento e operação simples: Elimina a necessidade de válvulas de pé ou água de escorva. O excelente desempenho de escorvamento automático permite uma aspiração rápida de líquido no arranque, simplificando significativamente os procedimentos operacionais.
  • Manutenção fácil e funcionamento fiável: A estrutura racional com baixa taxa de falhas requer uma manutenção de rotina mínima. Garante um funcionamento estável e a longo prazo e reduz os custos globais de funcionamento.
  • Materiais resistentes à corrosão: Os componentes de passagem são fabricados em aço inoxidável resistente à corrosão de alta qualidade, adequado para o transporte de vários meios químicos, incluindo ácidos, álcalis e solventes orgânicos.

Custom Stainless Steel Self Priming Pump

Para lhe fornecer um orçamento preciso e uma solução óptima, queira fornecer as seguintes informações técnicas:

Propriedades médias: Especificar o nome exato, a concentração, a temperatura, a viscosidade e o teor de partículas (tamanho e concentração das partículas) do meio transportado.

Parâmetros de funcionamento: Caudal: ____ m³/h, Altura Manométrica: ____ m, Autoaspirante Altura: ____ m

Condições de funcionamento: Temperatura de trabalho ___℃; Pressão de entrada ___MPa; Ambiente de instalação (interior/exterior, requisitos à prova de explosão, etc.).

Requisitos de material: Com base na corrosividade do meio, especifique as preferências de material para os componentes molhados, como o corpo da bomba e a manga de isolamento (por exemplo, 304, 316L, Hastelloy, etc.).

Ligações necessárias: Diâmetro de entrada: _____, Diâmetro de saída: _____

Método de ligação: (por exemplo, norma de flange, especificação de rosca).

By providing the above information, Contactar-nos, 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.

Dispomos de inventário suficiente para uma entrega rápida e oferecemos serviços de conceção personalizados, incluindo parâmetros como a altura, o caudal, a composição do material, as especificações do motor, os métodos de vedação e as configurações de instalação para satisfazer diferentes condições de funcionamento. Contacte a nossa equipa para obter soluções personalizadas e orçamentos altamente competitivos.

Correio eletrónico: [email protected]

WhatsApp: +86-13651913727

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FAQs

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.

CaraterísticaBomba de vedação mecânicaCQZ Magnetic Drive Pump (ChangYu)
Tipo de vedaçãoDynamic (mechanical seal)Static (isolation sleeve)
Risco de fugaYes – 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 designNão

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:

  • Caudal (m³/h) e 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)
  • Condições de funcionamento – 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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