Valve body

Nominal diameter:DN15-DN300

Body material: WCB, 304, 316

Connection: flange, thread

Level of stress: pn1.6-4.0 MPa

Structure: floating ball core tee and tee type

Valve components

Seat tightness: PTFE: - 30 ℃ ~ 180 ℃

PPL: - 30 ℃ ~ 250 ℃

Hard seal: - 30 ℃ ~ 450 ℃ carbide: surface spray welding, tungsten nitride

Valve core material: 304, 316, 316; The hard sealing core surface adopts spray welding and tungsten nitride

Stem material: 304

Applicable media: water, liquid, gas, oil, powder, steam, acid and alkali corrosive medium.

performance

Fire-resistant structural design

Iso 5211 standard is installed directly with the executor

Anti-static device between ball core and valve body

Valve stem explosion-proof design

Allows differential pressure: less than nominal pressure 1.6MPa

Leakage: zero leakage

Back to the poor: plus or minus 2.5%

Design manufacturing standard

Design and manufacture: GB/t12238-2008

Connection standard: JB/T 79.1-1994

Structure length: 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