GEMU 650TL Diaphragm Valve

Code: GEMU 650TL
  • Various Sizes
  • Manual Pneumatic Operation,  Pneumatic Closing

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The GEMU 650TL diaphragm valve is a manual tapping valve with automatic closing function which is pneumatically operated. Designed for use in sterile applications. The “keep-closed” override of manual operation is via a stainless steel handwheel. The valve can only be operated (opened / closed), if a control medium is applied to the actuator. When the control medium supply is switched off, the valve closes and can no longer be operated manually.

Example: If the flow velocity in a piping loop is reduced (e.g. if too many tapping points are open), flow may drop below a critical level. This special GEMU 650 TL valve can be used to specifically close tapping points automatically via the central process control system in order to reduce the tapping quantity and thus to increase the piping loop flow velocity.


  • Suitable for inert and corrosive liquid and gaseous media
  • Ergonomic handwheel
  • Additional pneumatic actuator for closing from a central control system
  • Valve body and diaphragm available in various materials and designs
  • CIP/SIP cleaning and sterilising capabilities
  • Compact design
  • Standard optical position indicator


  • Hermetic separation between medium and actuator
  • Optional flow direction
  • Installation for an optimised draining is possible
  • Control air connectors positioned in-line with piping, 90° offset optional
  • Feedback of closed position (pneumatic piston and/or handwheel) via optionally available proximity switches

Technical details

  • Connection: Clamp; Spigot; Threaded spigot
  • Actuator: Manual
  • Body material: 1.4435, block material; 1.4435, forged body; 1.4435, investment casting
  • Conformities: ; FDA
  • Max. operating pressure: 8 bar
  • Max. media temperature: 100 ° C
  • Min. media temperature: -10 ° C
  • Nominal sizes: DN 8 (1/4”); DN 10 (3/8”); DN 25 (1”)
  • Sterilisation temperature: max. 150 °C

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Title Size
GEMU 650TL Datasheet 671 KB

Additional information

Weight 0.09 kg