Walchem LK Series


  • Walchem

Pump Type(s):

  • Positive Displacement


  • Diaphragm
  • Metering Motor Driven
  • Sealless

Product Description:

The Walchem & Iwaki LK series diaphragm metering pump benefits from decades of experience of collaborative engineering. Intended for water treatment, mining, and agriculture uses, the state-of-the-art LK metering pump series features a compact drive unit and a dual-cam drive gear box design. The result of this efficient design is increased reliability, performance, and ease of use. They can reach outputs up to 856 GPH and maximum pressures of 220 PSI, and a discharge accuracy (repeatability) that is within +/-2% FS.


The Walchem LK Series diaphragm metering pump is ideal for chemical feed applications in a wide range of fields, including water treatment, chemical process, agriculture, mining and paper.


Up to 856 GPH (3240 l/h)

Temp Range:

0 -50°C (PVC Wet Ends), 0-80°C (SUS Wet Ends).

Max Pressure:

220 PSI (1.2 Mpa)

Materials of Construction:

PVC, SS316, or SCS13 Pump Head // CE, HC, SS304, or HC/SS304 Valve Ball // SS304, SS316, or PVC Valve Seat // FKM or EPDM O-Ring // PTFE Valve Gasket // PTFE+EPDM Diaphragm

Additional Information: