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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)

3 Port Globe Valves, Metal

312, 314

3 Port Globe Valves, Metal


The GEMU 312/314 pneumatically operated 3/2-way valves have a rugged low maintenance aluminium piston actuator.
GEMU 312 is flanged, GEMU 314 has threaded sockets. The connection for the control medium can be rotated through 360°. The double sided valve plug is connected to the actuator via a spindle. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. A wiper ring fitted in front of the gland packing protects the seal against contamination and damage.

  • Suitable for inert liquid and gaseous media
  • Control medium: inert gases
  • Suitable for high working medium temperatures
  • Materials of wetted parts can be selected to suit relevant applications
  • With GEMU 312 and GEMU 314 valves control processes which normally require two separate valves can be combined, for example: mixing, separating, aerating and de-aerating
  • Extensive range of accessories
  • Simple adaptation for use as a control valve



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