Sud Robinetterie Industrie (SRi)
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  4. SRI - Cryogenic Trunnion Ball Valves

SRICryogenic Trunnion Ball Valves

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When the expected service or design temperature is out of the standard temperature range of SRi ball valve, SRi manufactures high temperature or cryogenic ball valves. The minimum temperature of cryogenic ball valve is -196°C. The maximum temperature of high temperature ball valve is +450°C for TCC (Tungsten Carbide Coating) and +650°C for CCC (Chromium Carbine Coating).

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Range

  • ND 1" (DN25) to ND 24" (DN600)

Classes

  • ASME CLASS 150 to 2500
  • DIN-PN PN 10 to 64

Material

  • Carbon & low alloy Steels
  • Stainless steels
  • Duplex & Super Duplex
  • Nickel Alloys
  • Titanium
Design features
  • API 6D/6A design & construction
  • API 6D & ASME B1610 face to face
  • Antistatic device
  • Double block and bleed (DBB)
  • Drain plug
  • Connection ends upon request
  • Firesafe design
  • O-ring seals
  • Self-Relieving seat
  • Soft seat insert
  • Trunnion mounted
  • Lifting lugs /valve support
  • Vent plug

On request

  • Full/reduced/customize bore
  • Manual or actuated operation

Optional Design features

  • Automatic bleeding system
  • By-pass system
  • Double Piston Effect (DPE)
  • Double Isolation & Bleed (DIB)
  • ENP on seat/ball/stem/body
  • Extended stem
  • Heating jacket
  • Locking device
  • Metal to metal seats
  • Overlay on seat pocket
  • Overlay on dynamic seal pockets
  • Overlay on all wetted parts
  • Polymeric lip-seals
  • Single Piston Effect
  • Stem injection fitting
  • Seat injection fitting