top of page




The model MH chemical injection pumps are designed to be driven by an electric motor. These positive displacement pumps have removable fluid ends with interchangeable check valves, and a removable stainless steel cover for easy maintenance on the drivetrain.

These multi head pumps accommodate 1-10 fluid ends providing higher flow rates or the ability to pump multiple different chemical simultaneously. These pumps are expandable for future needs up to a maximum of 10 fluid ends and are available in various materials and piston sizes to meet your specific chemical injection requirements.

For decades, Western Chemical Pumps model MH pump has demonstrated reliable engineering and design, earning the trust of its users through rigorous testing and proven performance.

Motor Icon

Motor Driven

Designed to be driven by an electric motor. Multiple options available by classification, division, and group.

Options Icon


Resilient seat check valves for improved performance on low viscosity fluids like methanol. Other options include material selection and couplers.

Flow Rate Icon

Flow Rate

0 - 55 qts/day per head

Simple dial controlled injection flow rate on each head.

Piston Size Icon

Piston Sizes

Multiple sizes available

1/4", 3/8"

Pressure Icon


Ranges from 1,000 psi

up to 4,500 psi

Materials Icon


Fluid End: carbon steel, 17-4 PH SS, 303 SS, 316 SS

Packing: Buna-N, EDPM, Neoprene, PTFE (Teflon™), FKM (Viton™)

bottom of page