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