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

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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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