Triple Offset Metal Seal Butterfly Valve

Port	Shanghai&Ningbo
Packaging	Wooden case

Design temperature	-196℃ - 500℃	Nominal diameter	DN80 – DN600（3″- 24″）
Body type	DC5811 Double offset high performance butterfly valve	Connections	wafer type/Flanged（RF）/lug type
Lead Time	1 months

Body type	DC5811 Double offset high performance butterfly valve	DC5812 Triple offset metal seal butterfly valve
Nominal diameter	DN80 – DN600（3″- 24″）	DN80 – DN1500（3″- 60″）
Body rating	PN16 – PN100（ANSI class 150 - 600）
Design temperature	-196℃ - 500℃
Connections	wafer type/Flanged（RF）/lug type	Flanged（RF）
Body materials	A216 WCB/WCC， A351 CF8/CF8M
Disc materials	A216 WCB/WCC， A351 CF8/CF8M
Disc treatment	hard chromeplated or stellited
Adjustable ratio	60°opening/25：1 90°opening/50：1
Flow characteristics	approximate EQ%（inherent characteristic）
Seal ring type	FN/FV/CS	KS/composite metal seal FM/metal seal /M
Seal ring materials	RTFE	Kel-F/316+graphite/316SS
Back ring materials	NBR/VITON/316SS	316SS
Seat leakage class	ANSI classⅣ/Ⅴ/Ⅵ	Bubble-tight ANSI class Ⅵ
Actuator	Pneumatic cylinder actuator, electric actuator, pneumatic diaphragm actuator