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Griffco Diaphragm Back Pressure Valves

Griffco 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.

Features include:
  • High Reliability/Low Cost
     
  • Robust, Machined Construction
     
  • Vulcanized PTFE/EPDM Diaphragm
     
  • Externally Adjustable 10-150 PSI
     
  • Optional 350 PSI Rated Valve
     
  • Anti-Syphon Function
     
  • Wide Range of Materials
     
  • Tamper Resistant Adjustment Screw
     
  • Manufactured and Stocked in the USA

Griffco G Series Back Pressure Valve Brochure
 
Griffco M Series Back Pressure Valve Brochure
 

Faster Lead Times than Neptune & Milton Roy

Madden Manufacturing is currently quoting lead times of:
  • Chemical Metering Pumps @ 1-2 weeks
  • Fully Assembled Chemical Feed Systems @ 3-6 weeks
  • Sample Coolers & Small Heat Exchangers @ < 1 week
  • Emergency/Rush pumps in 1-2 days!


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