Clearance Type Butterfly Valve

Features

  • Light as well as rugged design to suit specific applications.
  • Valves for extreme high working temperatures up to 900°c are provided.
  • Fabricated valves with varying face to face dimensions can be made available in consultation with our design & development department.
  • Centric disc design
  • Wafer and double flanged end connection
  • Blowout proof stem design

Size & Pressure Class

  • Pn2.5 – 2” To 128” (Dn50 To Dn3200)
  • Pn6 - 2” To 128” (Dn50 To Dn3200)
  • Pn10 - 2” To 80” (Dn50 To Dn2000)
  • Pn16 - 2” To 72” (Dn50 To Dn1800)
  • Cl150- 2” To 40” (Dn50 To Dn1000)

Reference Standards

  • Design :- BS-5155 / API-609 /ASME b16.34
  • Face to face :- BS-5155 / API 609 / manufacturer standard
  • Testing :- API 598 / EN-12266 / BS-6755 part 1/ ANSI –FCI-70-2
  • Nace :- MR 01 75
  • Mounting dimensions :- ISO 5211
  • Casting inspection:- MSS SP 53,54,55,59,93 & 94
  • Marking :- MSS SP 25
  • Radiography test :- ASME b16.34 in accoedance to ASME section v
  • Ultrasonic test :- ASME b16.34 annexure –e
  • Magnetic particle test :- ASME b16.34 annexure –c
  • Low temperature impact test :- ASME 370
  • End connections :-
    • Flnaged end, wafer end : - ASME b16.5, ASME b16.47, en 1092-1
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