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Clearance Type Butterfly Valve
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Butterfly Valve
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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