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Concentric Butterfly Valve

Nominal Diameter : 2‘’~48‘’
Nominal Preesure : PN16/CLASS150LB
Design Standard : API609
Ends Flange dimension : ASME B16.5/B16.47
Inspection and test : API598
Connection type : Flanged、Wafer、LUG、BW ends etc.
Mainly Material : Ductile Iron、WCB、CF8、CF8M、CF3、CF3M 、C95800etc.
Opeartion type : Gearbox、Electric Actuator、Pneumatic Actuator etc
Description

◆ Material Of Concentric Butterfly Valve


Pos. Part Material
1 Body Ductile Iron
2 Disc A351-CF8M
3 Stem AISI 420
4 Seat NBR
5 Operated Tem -29~120℃
6 Bolt ASMT B193-B7
7 Nut ASMT B194-2H
8 Stem Packing Flexible Graphite
9 Gland ASMT SS410
10 Stem Nut B194-2H
11 Gearbox WCB



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