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CWZ Marine Horizontal Self-Priming Centrifugal Pump

CWZ Marine Horizontal Self-Priming Centrifugal Pump

The LumeaPump CWZ Series Marine Horizontal Self-Priming Centrifugal Pump is designed for reliable freshwater and seawater transfer in shipboard and marine applications.

The series uses an externally mixed self-priming construction, allowing the pump to operate without a suction-line foot valve in the standard self-priming arrangement after the casing has been correctly primed. The design is intended to provide stable operation, simple handling, and convenient maintenance. 

The CWZ Series is suitable for marine projects requiring a dependable self-priming centrifugal pump for freshwater or seawater service. Final model selection should be confirmed according to the required flow, head, liquid conditions, motor configuration, and certification requirements.

Typical Marine Applications

  • Shipboard freshwater transfer
  • Seawater transfer
  • Marine utility water systems
  • Bilge and drainage service
  • Deck and auxiliary water transfer
  • Marine industrial water handling

The source explicitly supports freshwater/seawater marine transfer.

For anything more specific than that, we should keep the wording as “typical” rather than implying every model is approved for every marine duty.

Key Features

Marine self-priming design: Externally mixed self-priming construction for reliable suction performance.

Freshwater and seawater service: Designed for marine water-transfer applications.

Wide performance range: Flow from 3 to 1500 m³/h and head from 9 to 125 m.


Strong marine construction:
Cast-iron casing, copper-alloy impeller, and stainless-steel shaft.


Simple maintenance

Designed for stable operation and convenient servicing.


Wide model coverage

Inlet designation range from 25 to 400 mm.

Technical Specifications

Pump Type: Horizontal self-priming centrifugal pump
Flow Rate: 3–1500 m³/h
Head: 9–125 mMotor
Power: 1.5–160 kW
Speed: 1450 / 2950 r/min
NPSH: 4.16–5.86 m
Inlet Designation: 25–400 mm
Medium: Fresh water / seawater
Inlet Designation: 25–400 mm
Liquid Temperature: ≤ 80°C
Priming Type: Externally mixed self-priming






Minimum Order Quantity (MOQ)

MOQ may vary depending on the selected model, motor specification, materials, customization requirements, and destination market.

Please contact our sales team for confirmation and a detailed quotation.

OEM & ODM Manufacturing

OEM and replacement impeller requirements supported according to QW pump model, drawings, dimensions or supplied samples.

Shipping Information

Export packaging and international shipping available. Shipping method and delivery time depend on impeller size, order quantity and destination.

Warranty

Export packaging and international shipping available. Shipping method and delivery time depend on impeller size, order quantity and destination.

Certifications

Classification and certification options depend on the selected pump configuration and project requirements. Please provide the required class society or certification scope when requesting a quotation

  • CE & ISO Certified
  • Worldwide Shipping
  • OEM & ODM Available

Need a Bulk Quote?

Contact LumeaPump for:

  • ✔ Bulk Pricing
  • ✔ OEM & ODM Manufacturing
  • ✔ Technical Consultation
  • ✔ Worldwide Shipping

Email: hello@lumeapump.com

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