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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
  • Optional flow direction
  • Valve can be cleaned without disassembly of operator
  • Connection: Flange
  • Actuator: Pneumatic
  • Body material: EN-GJL-250; EN-GJL-250 (GG-25), hard rubber lined; EN-GJL-250, soft rubber lined
  • Max. operating pressure: 7 bar
  • Max. media temperature: 100 ° C
  • Nominal sizes: DN 25 (1''); DN 40 (1 1/2''); DN 50 (2''); DN 65 (2 1/2''); DN 80 (3''); DN 100 (4''); DN 125 (5''); DN 150 (6''); DN 200; DN 250
  • Control valve

Fitting Accessories

Product video

How diaphragm valves with metal valve bodies work

00:29 min
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Online since 16.09.2015