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
