Pneumatic soft back wafe butterfly valve

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Pneumatic soft back wafe butterfly valve

Body Material: Ball iron, cast steel, 304, 316
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
shared:

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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