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Triple Offset Stainless Steel LNG Cryogenic Butterly Valve

Triple Offset Stainless Steel LNG Cryogenic Butterly Valve

    The YFL triple offset stainless steel cryogenic butterfly valve is specially design to be suitable for cryogenic service such as with working temperature down to -196 such as ethylene, LNG, LPG, liquid oxygen, liquid nitrogen, liquid argon, liquid hydrogen and CO2.

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  • Features
  • Specification

  • The extended stem of the YFL cryogenic butterfly valve protects the actuator working well;
  • The YFL triple offset cryogenic butterfly valve with top entry design makes maintenance online without removed from pipeline to reduce breakdown time;
  • Stainless steel or low temperature steel with low temperature treatments and test meet the requirements of cryogenic service and cryogenic working conditions;
  • Special maintenance window structure for maintenance and repair;
  • Special packing structure suits for low temperature working condition;
  • Special seal structure ensures reliable seal under cryogenic condition;
  • Casting or forging body and disc with RT testing.

Cryogenic butterfly valves low temperature treatmentcryogenic stainless steel butterfly valves low temperature displayCryogenic butterfly valves after low temperature treatment

Product range:

  • Size: 2"60" (DN1251500)
  • Pressure rating: Class 150900 (PN2.5PN160)
  • End connection: Flanged Wafer Lugged BW
  • Body materials: LCB/LF2 (-46) LC3/LF3 (-101) CF8/CF8M/CF3/CF3M (-196) etc.
  • Disc materials: LCB CF8 CF8M CF3 CF3M etc.
  • Stem materials: stainless steel F304 F316 F304L F316L XM-19 420 etc.
  • Seat materials: stellite etc.
  • Seal ring: 304 316 304L 316L with graphite etc.
  • Operation: Bare stem lever gearbox and handwheel electric pneumatic.

Technical standards:

  • Design: API609
  • Face to Face: ASME B16.10 ISO5752
  • BW ends: ASME B16.25 ASME B31.8 EN12627
  • Flanged ends: ASME B16.5 ASME B16.47 EN1092
  • ISO top flange: ISO5211
  • Wall thickness: ASME B16.34
  • Test and inspection: API 598
  • Fireproof test: API 607 API 6FA
  • Pressure and temperature rating: API609 ASME B16.34