Walchem Positive Displacement Pumps

Walchem Positive Displacement Pumps are precision chemical metering pumps designed for accurate and reliable chemical dosing in water treatment and industrial applications. They are designed to handle various chemicals and fluids into water and wastewater treatment, agriculture, and many other industries. Our chemical metering pumps work on the principle of positive displacement, meaning the pumps will displace a fixed amount of fluid with every pump stroke. Designed to withstand abusive conditions in process applications, Walchem pumps offer high-speed dosing capability with more standard features. The company offers multiple series including the EWN Series electronic metering pumps that offer superior high speed dosing capability with more standard features and the LK Series metering pump which is the largest in the high performance line of pumps from Walchem, featuring 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). Walchem is a leading manufacturer of on-line electronic metering pumps, integrating sensor, pump and electronic technologies for chemical control.