Walchem EWN Metering Pumps

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With more standard features, the EWN Series electronic metering pumps produce better high-speed dosing capability. The versatility of the EWN pump enables the incorporation of a universal-voltage digital controller with an extended range of control features into virtually any chemical feed application. The most challenging applications, excellent valve efficiency, and sophisticated solenoid engineering combine to build a highly accurate pump.

The EWN pump series has outputs of up to 6.7 GPH (25.2 L/h) and a maximum pressure of 290 PSI (20 bar). The high speed of operation results in chemical feed with high resolution and long service life. Quiet and lightweight, the EWN pumps the prime in seconds and consistently retains the prime.

Key Benefits fo the EWN Series Metering Pumps: 

  • High-Speed Performance 
  • Engineered Longevity
  • Superior Check Valve Performance
  • Flexible Connections
  • High Compression Ratio