Chemical Dosing & Metering Pumps

DistributionNOW offers a full line of chemical metering pumps in a range of designs: solenoid diaphragm, motor-driven, hydraulically actuated diaphragm, mechanically actuated, plunger and peristaltic. These pumps are used for very precise flow injection and transfer applications where corrosive, toxic or flammable liquids are metered under very high pressures and extreme temperatures.


Our chemical metering pumps are designed to meet your most demanding applications, including the following:

  • Chemical injection
  • Water & wastewater treatment
  • Cooling tower & boiler treatment
  • Bleach/Biocide feed
  • Acid/Caustic feed for pH control
  • Frac water reuse & treatment
  • Catalyst feed
  • Oilfield treatment
  • Polymer activation & feed


Materials of Construction Polypropylene, PVDF, PVC, Teflon, stainless steel, Hastelloy C, Alloy 20, titanium and more
Flow Rate 0.19 gph to 8,800 gph
Pressure Range 29 psi to 43,500 psi
Temperature Range -45° F to 770° F

Our Chemical Dosing & Metering Pump Suppliers

Note: Power Service is an authorized distributor of Milton Roy and ProMinent Fluid Controls for select markets; Odessa Pumps is an authorized distributor of ProMinent Fluid Controls for select markets.

Dresser (Texsteam™)
Milton Roy
Monkey Pumps
TXAM Pumps