Standard technical parameters 

Body 

Nominal size: DN20-DN250 

Body material: WCB, 304, 316, 316L 

Connection: flange 

Pressure level: PN1.6-4.0MPa 

Structural form: floating core 

In the valve components 

Seat seal: 304, 316, 316L + STL \ carbonized tungsten 

Valve core material: 304, 316, 316L + STL \ carbonized tungsten 

Stem material: 304 

Applicable media: water, oil, steam etc 

Performance 

Straight through design, low resistance and low pressure 

Blowout stem design, safe and reliable 

Valve stem explosion-proof design 

The surface of the sealing surface can be sprayed with welding or tungsten carbide 

Allowable pressure difference: less than nominal 1.6mpa 

Leakage: zero leakage 

Back to the poor: plus or minus 2.5% 

Pneumatic actuator 

Double action: ventilated and ventilated, the gas source fault remains current 

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