aseptconn.ch


Product description

Inline style, cast back pressure regulating valves for medium - high flow, very low vent pressure gas regulation in stainless steel and single use disposable vessels for the Biopharmaceutical, Pharmaceutical, Food & Beverage and Consumer Health & Beauty industries.


Applications

  • For regulated venting of medium to large stainless steel or single use disposable bioreactor/fermenter, sparge gas, purge/blanket/motive force gas
  • Separation: for regulated venting of purge/blanket/motive force
  • Purification: for regulated venting of purge/blanket/motive force gas
  • Formulation: for regulated venting of purge/blanket/motive force gas
  • For regulated venting of F & B Consumer, H & B process purge/blanket/motive force gas


Back Pressure Reducing Valve MK958

Size
  • 3/4″, 1″, 1-1/2″, 2″ (DN20, DN25, DN40, DN50)
End Connections
  • Tri-clamp – ASME BPE or ISO/DIN
  • Flanged – 150#, 300#, PN25/40
Max Pressure/Temperature
  • Dependent upon construction
Setpoint Range
  • 2.0 inch w.c. to 5 psi (5 mbar to 345 mbar)
Wetted Material & Surface Finish
  • ASTM A351 CF8M (316SS) or CF3M (316L SS) internal and external cast body components are 130 Ra µin (3,30 Ra µm) minimum after electropolishing
Diaphragm Materials
  • Size dependent
Seat & Plug
  • ASTM A479 316L (plug with FDA approved Viton)
Body & Housing
  • SA 351 Gr. CF8M 316SS or CF3M 316L
Shutoff
  • ANSI VI
Features and Benefits
  • 360° body orientation on 3/4″ and 1″ sizes
  • Robust design – emergency outlet pressure may reach 100% of inlet pressure without damaging valve
  • Electropolishing standard
  • Easy maintenance – seat and plug can be inspected without removing body from the line
  • FDA-approved seals and diaphragms
  • Tight shutoff – soft elastomer plug provides ANSI Class VI shutoff
  • Completely self-operated – no external power source required