Marine Flange Type Spiral Manual Operated Metal Seat Butterfly Valve

Marine Flange Type Spiral Manual Operated Metal Seat Butterfly Valve (Type 3FD-DF27)

Using instruction:

Using fluid: crude oil. finished oil. Steam. Acidiferous and alkalinous fuid.

Using temperature: ≤ 500 ℃ Drving type: spiral manual operation.

This kind of valve has fireproofing function. Parts material varies with using condition.