Griffco Valve manufactures high quality chemical feed equipment for pumping system applications
Griffco pumping system applications include, back pressure and pressure relief valves, calibration columns, and other pumping and chemical feed system accessories are used in a wide range of industrial and municipal applications throughout the world. Typical markets serviced include:
Griffco is one of the only manufacturers of NSF certified valves.
- Food & Beverage
- Cooling Towers & Boilers
- Pharmaceutical
- Bio-Fuels
- Agriculture
- Mining
- Paints & Coatings
- Metals & Plating
- Plastics, Resins, & Rubber Goodss

Griffco has produced more than a million valves and other system accessories since its establishment in 1992.
Griffco has many years of chemical feed experience for a wide range of applications, markets, and different pumping technologies. Chances are Griffco can help with a solution.
M-Series Back Pressure Valves
Griffco M-Series diaphragm back pressure valves are designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-syphon valve. Robust construction ensures reliability in the rigorous service of municipal and industrial applications.