Walchem LK Series


  • Walchem

Pump Type(s):

  • Positive Displacement


  • Diaphragm
  • Metering Motor Driven
  • Sealless

Product Description:

The Iwaki LK Series metering pumps are motor-driven, mechanically-actuated diaphragm metering pumps. This larger LK Series can achieve outputs up to 856 GPH (3240 l/h) and maximum pressures of 220 PSI (1.5 MPa). With market proven results and years of experience, Iwaki has employed state-of-the-art pump technology in the development of the LK Series metering pumps. A robust design transfers rotational force from the motor to the diaphragm via a compact drive unit. The pump drive unit is a worm gear and dual-cam drive gear box design. The advantage of this economical design is reliability, quality, performance, and ease of operation.


The LK Series 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: