GEMÜ 656

Pneumatically operated full bore diaphragm valve

  • Description
  • Features
  • Technical specifications
  • Accessories

The GEMÜ 656 2/2-way diaphragm valve has a low maintenance metal membrane actuator and is pneumatically operated. Normally Closed (NC), Normally Open (NO) and Double Acting (DA) control functions are available. The valve body has a full bore design.

  • High mechanical stability
  • High flow rate due to straight through flow
  • Valve can be cleaned without disassembly of actuator
  • Media temperature :0 to 100 °C
  • Ambient temperature:0 to 60 °C
  • Operating pressure :0 to 7 bar
  • Nominal sizes:DN 25 to 250
  • Body configurations:2/2-way body
  • Connection types:Flange
  • Connection standards:ANSI | EN | ISO
  • Body materials:EN-GJL-250, cast iron material | EN-GJS-400-18-LT, SG iron material | EN-GJS-500-7, ductile iron material
  • Body lining:Butyl | Hard rubber | Soft rubber
  • Diaphragm materials:CR | EPDM | IIR | NBR | NR
  • Conformities:CRN | EAC

Fitting Accessories

Product video

How diaphragm valves with metal valve bodies work

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Online since 16.09.2015