Walchem LKN Series


  • Walchem

Pump Type(s):

  • Positive Displacement


  • Diaphragm
  • Metering Motor Driven
  • Sealless

Product Description:

The LK Series metering pump is the largest in the high performance line of pumps from Walchem. The LK is a motor-driven, mechanically actuated diaphragm metering pump with a maximum capacity of 114 GPH (432 l/h) and a maximum pressure of 225 PSI (1.5 MPa). The heart of the LK is a compact and very reliable dual-cam system drive and worm gear reducer. Roller bearings and oil bath lubrication ensure out-standing durability and wear resistance in continuous 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.


To 114 GPH (432 I/h)

Temp Range:

0 -50°C (VC, VH, or VS type), 0-80°C (S6 or TC type).

Max Pressure:

To 225 PSI (1.5 Mpa)

Materials of Construction:

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

Additional Information: