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Triple Offset Carbon Steel Top Entry Butterfly Valve

Triple Offset Carbon Steel Top Entry Butterfly Valve

    The SV triple offset carbon steel top entry butterfly valve adopts the design of installing the disc from top entry of the body. This design makes the SV top entry butterfly valve realize online maintenance without removed from the pipeline to reduce breakdown time.

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  • Features
  • Specification

  • The SV top entry butterfly valve with top entry structure realizes online maintenance;
  • The SV triple eccentric top entry butterfly valve with triple offset disc structure realizes no friction between disc seal ring and valve body seat when open or close and extends the service life greatly;
  • The body seat can be welded on body or fixed by two counter rings through bolts which can be replaced easily;
  • The disc seal ring can be all metal seal ring or multi-layers seal ring with stainless steel and flexible graphite, carbon fiber or ceramic fiber etc.;
  • Top entry structure is suitable for cryogenic butterfly valves for cryogenic service.

WCB PN25 DN600 BW ends Top entry butterfly valvescryogenic stainless steel top entry butterfly valvestop entry butterfly valves

Product range:

  • End connection: Flanged, Wafer, Lugged, BW
  • Size: 1"144" (DN253600)
  • Pressure rating: Class 1501500 (PN2.5PN260)
  • Operation: Bare stem, Lever, Gearbox and handwheel, Electric, Pneumatic
  • Body materials: Carbon steel WCB, Low temperature steel LCB/LCC, High temperature steel WC6/WC9, Austenitic stainless steel CF8/CF8M/ /CF3
  • Disc seal ring: SS430, F304, F316 with graphite etc.
  • Body seat materials: SS304, SS316, Stellite etc.
  • Stem materials: SS420, 17-4PH, SS304, SS316 etc.
  • Disc materials: WCB, CF8, CF8M, 904L, C95800 etc.

Technical standards:

  • Design: ASME B16.34, DIN 3840
  • Face to Face: API 609,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
  • Materials: NACE MR 01-75
  • Wall thickness: ASME B16.34
  • Test and inspection: API 598
  • Fireproof test: API 607, API 6FA
  • Pressure and temperature rating: API609, ASME B16.34