+31 (0)88 022 53 50 info@chemfeed.com

M-Series

Griffco M-Series back pressure valves and pressure relief valves are designed to enhance the performance of chemical (dosing) pump systems by applying a continuous back pressure to the chemical feed pump, while also acting as an anti-syphon valve. The robust construction ensures reliability in heavy-duty industrial applications, among others.

Liquid-contactmaterials:

  • PVC
  • CPVC
  • PP
  • PVDF
  • PTFE
  • Halar®
  • SS 316L
  • Alloy 20
  • Hastelloy® C

Available sizes:

1/4″ up to 1/2″ or DN 8 up to DN 15

Features and benefits:

  • High reliability at an affordable price
  • Anti-syphon function
  • Solid, robust, (machined) construction
  • Wide range of available materials
  • Flanged-, union-, threaded- and glue/weld options
  • Injection moulded Noryl top with integrated pressure lock
  • SS316 metall-top option
  • Moulded PTFE / EPDM-diaphragm
  • Several materialoptions for diaphragms
  • Long lifetime diaphragm
  • Adjustable up to 24 bar
  • 4 optional pressure ranges (springs)
  • Valve sizes from 1/4″ to 1/2″ or DN 8 to DN 15
  • Tamper proof set screw
  • High temperature option up to 150 ° C
  • factory-set to desired pressure or field settable

 

Sizes, flowrange and pressure classifications
Sizes Maximum flow Max pressure
Pulsing Continiously
Inch Metric GPH LPH GPM LPM PSI BAR
1/4″ DN 8 100 375 5 19 350 24
3/8″ DN 10 200 757 10 37 350 24
1/2″ DN 15 260 984 15 57 350 24
Pressure relief valves
Pressure relief valves