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  • Pneumatically Actuated Ball Valve
  • 3/8 to 4in valve sizes
    • Control ball optional up to 2in
  • PP or PVDF material options
  • Socket or flanged connection ends
  • PTFE seat
  • EPDM or FKM seals
  • Stainless steel threaded inserts
  • Fail open, fail closed, double acting movement options


The Georg Fischer Type 231 / 232 Ball Valve is the ultimate choice for the high demands of the industrial world. It is available in Polypropylene or PVDF material. The valve can be configured for throttling or for simple open/close functionality. The optional declutchable manual override is ideal for applications where emergency operation of the valve is required. Additionally, the electro-pneumatic positioner, stroke limiter, and feed back switches give flexibility for integration into a wide variety of applications.


This product can be used in the following applications: