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GEMÜ is a German company founded since 1964, and a leading manufacturer of valves, measurement and control systems.

Today, Gemu is the world market leader of valves for sterile applications in the pharmaceutical and biotechnology industries.

Gemu offers the following range of products:
  • Aseptic Diaphragm Valves
  • Plastic Diaphragm Valves
  • Metal Diaphragm Valves
  • Butterfly Valves
  • Globe Valves
  • Control Valves
  • Solenoid Valves
  • Pilot Valves
  • Ball Valves
  • Check Valves
  • High Purity Products  (Valves, Flow, Pressure, Tubings & Fittings)
  • Positioners & Controllers
  • Electrical Position Indicators
  • Field Bus Systems
  • Actuators
  • Flowmeters (Rotameters)

Industrial Diaphragm Valve, Metal


Industrial Diaphragm Valve, Metal



The GEMU 601, 612 and 673 manually operated diaphragm valves have a temperature resistant plastic handwheel. Bonnet and internals are made all of stainless steel. An integral optical position indicator and a seal adjuster to increase service life of the diaphragm are included as standard. GEMU 602 has a stainless steel handwheel and an integral optical position indicator.

  • Suitable for inert and corrosive liquid and gaseous media
  • Chemical resistance of bonnet
  • CIP/SIP cleaning and sterilizing capabilities
  • Autoclave capability
  • Insensitive to particulate media
  • Valve body and diaphragm available in various materials and designs
  • Compact design (ideal when space is at a premium)
  • Stepless minimum flow regulation due to seal adjuster
  • Hermetic separation between medium and actuator
  • Optional flow direction, will seal in either flow direction up to full operating pressure
  • Optional mounting position
  • Long service life of the diaphragm due to patented seal adjuster (US-Pat. 5 377 956)
  • Valve body also available in multi-port designs (M-block and T-body) or as tank bottom valve body



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