The GEMÜ 650 2/2-way diaphragm valve has a stainless steel piston actuator and is pneumatically operated. The valve is designed for use in a sterile environment. All metallic actuator components are made of stainless steel. The compression springs of diaphragm sizes 80 and 100 are made of epoxy coated spring steel. Normally closed (NC), Normally open (NO) and Double acting (DA) control functions are available. An integral optical position indicator is standard.

Key features / benefits

  • Compact design (ideal when space is at a premium)
  • CIP/SIP capable
  • Autoclave capability
  • Minimal contamination, all media wetted parts made of ultra pure PFA / PTFE or PVDF / PTFE
  • Extensive diagnostic facilities

Technical specifications

  • Connection: clamp; flange; spigot; threaded connection; threaded socket
  • Actuator: pneumatic
  • Seal material
  • Body material: 1.4408, investment casting; 1.4435 (316L), forged body material; 1.4435, investment casting material; 1.4539
  • Conformities: 3A; BSE/TSE; CE; CRN; EAC; FDA; Machinery Directive; Oxygen; Pressure Equipment Directive; Reg. (EU) No. 10/2011; Regulation (EC) No. 1935/2004; SIL; TA Luft (German Clean Air Act); USP
  • Max. operating pressure: 10 bar
  • Max. media temperature: 100°C
  • Min. media temperature: -10°C
  • Nominal sizes: DN 4; DN 6; DN 8 (1/4''); DN 10 (3/8''); DN 12; DN 15 (1/2''); DN 20 (3/4''); DN 25 (1''); DN 32 (1 1/4''); DN 40 (1 1/2''); DN 50 (2''); DN 65 (2 1/2''); DN 80 (3''); DN 100 (4'')
  • Control valve
  • Sterilisation temperature: max. 150 °C