Pneumatic flange type multi layer metal hard sealing butterfly valve

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Pneumatic flange type multi layer metal hard sealing butterfly valve

Product model:D643H/Y/F
Body material: nodular cast iron, 304, 316, UPVC
Valve plate: 304, 316, 316L, 1.4529
Seat material: EPDM, PTFE, alloy
Connection: to clip type, flange type
Pressure level: PN10, PN16
Pneumatic actuator: three stage pneumatic actuator
Pneumatic accessories: solenoid valve, limit switch, filter and so on

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shared：

[valve assembly]

Seat Tightness：EPDM：-30℃～120℃

NBR :-30℃～80℃

PTFE:-30℃～140℃

VITON:-30℃～150℃

Valve plate: ductile iron, nickel plated, nylon coated, aluminum bronze、304、316

316L、1.4529、2507

Stem material: stainless steel 410, 304
Applicable medium: water, liquid, gas, oil, powder, steam, acid and alkali corrosive medium.

[Pneumatic actuator]

Double acting: three stage pneumatic actuators are: 0°-45°-90°(order, please determine the middle value)
Single acting: when the gas source fails, the air supply failure is opened; 0°-45°-90° (order, please determine the middle value)

[Standard parameter]

Design standard	GB/T12238-2008
Structural length	GB/T12221-2005
Connection standard	JB/T 79.1-1994
Pressure test	GB/T13927-2008

[Adaptive condition]
Now widely used in petroleum, chemical industry, gas equipment, nuclear power equipment, water treatment, air conditioning, iron and steel metallurgy, industrial furnace, canned equipment, brewing equipment, drying equipment, vacuum equipment, surface treatment, bio pharmaceutical, food machinery, textile, papermaking and other industries, is the preferred product construction the construction of national defense science and technology.