Walchem Metering Pumps

Blue White metering series

IX Series

IX Series Metering Pumps are digitally controlled direct-drive diaphragm pumps. Years of experience in high-end motor technology result in extremely accurate and energy efficient metering pumps with high resolution. The IX Series meets today’s demand for automated chemical delivery in industries from water to chemical process.

Blue White Metering Pumps

EZ Series

EZ electronic metering pumps offer precise chemical injection at a low cost. The compact size and simple control make them ideal for water treatment and OEM applications.

LKN Series

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 outstanding 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.

EJ Series

The EJ Series provide precise chemical injection at an economical price. Universal voltage capability enables operation from 100 - 240VAC in virtually all countries. The EJ Series are compact, simple to operate and have outputs to 3.2 GPH and a maximum pressure of 175 PSI.


Blue White metering series

EHE Series

The EHE is the workhorse of the E-Series metering pumps. EHE Series pumps have outputs up to 20 GPH and pressure capabilities to 150 PSI. Combining the EHE performance with a turndown ratio of 1800:1 yields one of the most versatile pumpsin the water treatment industry today.


Blue White Metering Pumps

EH-HV High Viscosity

Walchem and Iwaki have created a unique series specifically designed to accurately feed high viscosity chemicals. Equipped with rugged, machined PVC or molded GFRPP liquid ends and spring loaded stainless steel valve balls, the HV series is designed for superior valve action and performance. Rated to 20,000 cps*, the HV series is available in feed ranges from 2.3 GPH to 8 GPH and pressures up to 73 PSI.

EWN Series

The EWN Series electronic metering pumps offer superior high speed dosing capability with more standard features. The flexibility of the EWN pump enable it to be integrated into virtually any chemical feed application using a universal-voltage, digital controller with an expanded set of control features.


LK Series

The Iwaki LK Series metering pumps are motor driven, mechanically-actuated diaphragm metering pumps. This larger series can achieve outputs up to 856 GPH and maximum pressures of 220 PSI.