CWX Series Marine Self-Priming Centrifugal Vortex Pump

CWX Series Marine Self-Priming Centrifugal Vortex Pump | Dual-Stage High-Efficiency Water Solutions

Product Overview
The CWX Series Marine Self-Priming Centrifugal Vortex Pump combines advanced dual-stage hydraulic technology with reliable self-priming capabilities for superior marine water management. Featuring an innovative two-stage design with a centrifugal impeller (first stage) and vortex wheel (second stage) separated by an outer diaphragm, these pumps deliver exceptional performance in freshwater and saltwater applications up to 85°C. Available in both bracket-mounted and direct-connect configurations, CWX pumps maintain prime automatically and eliminate the need for manual refilling after shutdown.

Model Identification: 1.5CWX-4A

1.5: Inlet/Outlet Diameter (1.5 Inches)
C: Marine Pump Certification
WX: Centrifugal Vortex Pump Technology
4: Specific Speed Number (÷10)
A: Bracket Mounting Type (Direct Connect when omitted)

Technical Specifications

Flow Capacity: 3–12 m³/h
Head Range: 35–57.6 m
Motor Power: 2.2–5.5 kW
Temperature Limit: 85°C
Self-Priming Capability: Automatic priming without manual intervention
Sealing System: Mechanical seals for leak-free operation
Mounting Options: Bracket-mounted or direct-connect configurations
Speed Compatibility: 2900/3500 RPM (50/60 Hz)

Performance Data Highlights

Model	Capacity (m³/h)	Head (m)	Motor Power (kW)	Efficiency (%)
1.5CWX-2(A)	3–3.6	40–57.6	2.2–4	16.3
1.5CWX-3(A)	6.5–7.8	35–50.4	3–5.5	26.9
1.5CWX-4(A)	10–12	35–50.4	4–5.5	38.1

Key Features & Benefits

Dual-Stage Design: Combines centrifugal force and vortex action for enhanced performance
Automatic Self-Priming: Maintains prime between operations without manual refilling
Mechanical Seals: Ensure leak-free operation and extended service life
Corrosion-Resistant Construction: Suitable for saltwater and freshwater applications
Flexible Mounting: Bracket and direct-connect options for easy installation
Energy Efficient: Optimized impeller design reduces power consumption
Low Maintenance: Robust design with minimal wearing components
Compact Design: Space-saving footprint ideal for marine environments