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Double Eccentric Butterfly Valve

Nominal Diameter : DN50~DN1300 / 2‘’~48‘’
Nominal Preesure : PN6~PN63 / CLASS150~300LB
Design Standard : EN593 / API609
Ends Flange dimension : EN1092-1 / ASME B16.47
Inspection and test : EN558 / API598
Connection type : Flanged、Wafer、LUG ends.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M etc.
Opeartion type : Bare Shaft、Gearbox、Electric Actuator、Pneumatic Actuator etc

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Description

◆ Material Of Double Eccentric Butterfly Valve

Pos.	Part	Material
1	Body	Cast steel、Stainless steel、Duplex steel、Aluminum bronze alloy
2	Disc	Cast steel、Stainless steel、Duplex steel、Aluminum bronze alloy
3	Stem	A182-F6a、AISI 420、SS304、SS316、17-4PH、Monel k-500
4	Seat	PTFE、RPTFE、PPL
5	Sleeve	SS304+RPTFE、SS316+RPTFE、Bronze alloy
6	Bolt	ASMT B193-B7、B8、B8M
7	Nut	ASMT B194-2H、8、8M
8	Stem Packing	Flexible Graphite、PTFE
9	Gland	ASMT A276 410、SS304、SS316
10	Emdebbed spring	INCONEL X-750
11	Actuator	As per requirements

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