Type: The butterfly board adopts three offset structure
Application: Used in hot blast stove, bag dedusting and gas pipeline network
Usage: It plays the role of regulating and cutting off the medium in the air pipeline; It plays the role of cutting off the medium in the pipeline of blast furnace system and can be used as gas combustion valve, air burning shut off valve, purified gas shut off valve, cold blast valve and chimney valve.; It is used as the crude or purified gas adjusting valve or gas bleeding valve in the bag dedusting system; it is used as shut off valve or adjusting valve in the gas pipeline system. 
Working Temperature: ≤400℃
Operating Medium: Coal gas and air
Sealing Type: Hard metal seal
Operation: Worm wheel, hydraulic, electric and pneumatic
Size: DN200~DN3200