Wafer type high performance butterfly valve

ꄲ下一个： Large size double flange central line butterfly valve

130918588124019816

>>Basic information:

Class 150Lb End Wafer Structure Double Offsets Actuator Worm Gear Related standards Design API 609 Test API 598 End ASME B16.5 Top flange ISO 5211 Medium: Water, Air, Oil, Gas, Steam etc

>>Introduction:

High performance butterfly valve(HPBFV) have two type:Normaltype and Anti-Fire type.
Anti-Fire seal ring is behind first seal ring, in normal state, metal seal ring is not working, first seal ring is burned after pipe fire, and Anti-Fire seal ring will work to protect pipe line.
HPBFV is Double eccentric type, normally body is wafer or lug type.
Seal ring is regular shape, but it is so hard to modify or change it's shape in working condition, We ADVICE some person who is hold skill to replace seal ring.
For special working condition, please discuss with our engineer to make best solution.

130918588125347992

>> Main parts list:

No.	Part name	Material
No.	Part name	WCB	WCB	WCB	CF8	CF8M
1	Body	WCB	WCB	WCB	CF8	CF8M
2	Disc	WCB	CF8	CF8M	CF8	CF8M
3	Stem	420	F304	630	F304	630
4	Seat	RPTFE
5	Packing	PTFE
6	Gland	WCB	WCB	WCB	CF8	CF8M
7	Bolts	B7	B7	B7	B8	B8M
8	Nuts	2H	2H	2H	8	8M

All dimension is in our catalouge.
Catalouge download: http://www.cnvtrade.com/_d276407776.htm contact us for download password.