Leakage butterfly valve BL

Leakage butterfly valve BL

 

  • Modular system for the valve series
  • Used as an economical shut off device for separating media in CIP applications
  • Installation of the shut off device in horizontal lines without horizontal offset
  • All other constructional details of the leakage butterfly valve correspond to those of the butterfly valve
  • Modular system for various designs
  • Nominal diameters DN 25 to DN 150
  • 2 disc concept both discs are switched by a single actuator
  • Safety chamber between the discs is equipped with two pneumatic flushing valves for a complete draining of the leakage chamber
  • Operation: leakage butterfly valve NC closed position flushing valves NO open position when activated by compressed air, first the flushing valves move to closed position, then the leakage butterfly valve moves to open position
  • Seal material EPDM / FDA 21 CFR Part 177.2600 optionally HNBR, FKM, VMQ
  • Maintenance free actuator for 1,000,000 c ycles

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