Pneumatic soft back wafe butterfly valve
Pneumatic soft back wafe butterfly valve
Valve Plate: Iron plating nickel, nylon board, 304, 316, 316L, 1.4529, 2507
Seat Material: EPDM, NBR
Connection Mode: Dual flanged, optional double flange
Flange Standard: GB, ANSI, JIS, DIN
Pressure Rating: PN16
Pneumatic Actuator: Double action, single action often closed, single function often open
Pneumatic Accessories: Solenoid valve, air filter pressure reducing valve, electric positioner, handwheel
Body
Nominal diameter: DN40-DN1000
Body material: nodular cast iron, 304, 316
Connection: clamp, flange and lug
Pressure rating: PN1.0MPa, PN1.6MPa
Structure: the centerline structure
In the valve components
Seat tightness: EPDM：-30℃～120℃ NBR ：-30℃～80℃ PTFE：-30℃～140℃ VITON：-30℃～150℃
Plate material: nodular cast iron nickel plating, nylon coating, aluminum bronze, 304, 316, 316L, 1.4529, 2507
Stem material: stainless steel 410, 304
Applicable media: water, liquid, gas, oil, powder, steam, acid and alkali corrosive medium.
Design manufacturing standard
Design and manufacture: GB/T12238-2008
Connection standard: JB/T 79.1-1994
Face to face: GB/T12221-2005
Stress test: GB/T13927-2008
Pneumatic actuator
Dual function: ventilated and ventilated, the gas source fault maintains the current position
Single use gas opening: ventilating, disconnecting, air source failure
Single-acting gas - vent, open air and gas source failure
Optional accessories: switch to solenoid valve, limit switch, air filter pressure-reducing valve, electric locator, handwheel mechanism, the electrical part of the protective valve can be selected for explosion proof
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