Walchem EJ Series


  • Walchem

Pump Type(s):

  • Positive Displacement


  • Diaphragm
  • Metering Solenoid Driven
  • Sealless

Product Description:

The Walchem EJ Series diaphragm metering pump is a compact and easy-to-operate option for any situation dealing with water treatment, agriculture, food & beverage, water conditioning, and more. They run at 360 strokes-per-minute, much more than other competing products. No more sluggish feeding! The EJ series can operate at any AC voltage thanks to their Universal Voltage Function, and the water-resistant design and robust housing protects the pump from normal wear. On the technical side, the EJ Series have outputs up to 3.2 GPH (12.0 LPH) and a maximum pressure of 175 PSI (1.2 MPa).


The Walchem EJ Series diaphragm metering pump series offers a wide range of capabilities that promises to have a model that meets almost any industrial chemical feed application, as well as water treatment, agriculture, car wash, etc.


0.3 GPH (19 mL/min) to 1.3 GPH (80 mL/min)

Temp Range:

0 to 104°F (0 to 40°C)

Max Pressure:

45 PSI (0.3 Mpa) to 175 PSI (1.2 Mpa)

Materials of Construction:

PVC, PVDF, GFRPP, or 316 SS Pump Head // CE, PTFE, or 316SS Valve // FKM, EPDM, PTFE, or AFLAS O-Rings // PTFE Gasket

Additional Information: