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Pneumatic flange type soft sealing butterfly valve

PRODUCTS > Butterfly valve > Pneumatic flange type soft sealing butterfly valve

Pneumatic flange type soft sealing butterfly valve

Body Material: Ball iron, cast steel, 304, 316
Plate Material: Iron plating nickel, nylon board, 304, 316, 316L, 1.4529, 2507
Seat Material: EPDM, NBR
Connection Mode: Double flange, optional pair clip
Flange Standard: GB, ANSI, JIS, DIN
Pressure Rating: PN10, 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: PTFE -30℃~80℃, and 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: commutating solenoid valve, limit switch, air filter pressure reducing valve, electrical locator, handwheel mechanism, and holding valve  

Electrical parts can be explosion-proof 


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