Body  

Nominal diameter: DN50-DN1000

Body material: WCB, 304, 316 

Connection mode: flange type  

Pressure rating: PN1.0MPa, PN1.6MPa 

Structure: the centerline structure 

In the valve components  

Seat tightness: PTFE: -30℃~140℃ 

Plate material: WCB, 304, 316  

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: GB12238 

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