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3PC Pneumatic Actuated Vacuum Ball Valve

COVNA pneumatic flange ball valve, 2 way port configuration, default GB standard, ANSI, JIS, DIN or API 6D is available, double acting standard control mode, single acting is available, 304 or 316 stainless steel body construction, 2.5 to 8 bar input air pressure, minimum 1/2 inch flanged connection, default PTFE seat, resistant to almost all fluids. Suitable for higher operating pressures and temperatures.

  • Model: Vacuum ball valve
  • Size Range: 1/2" to 4"
  • Pressure Range: 1.0 to 6.4MPa
  • Material: WCB, Stainless Steel

COVNA 2 Way  Pneumatic  3PS Flange Ball  Valve

Vacuum ball valve refers to a ball valve whose working pressure is lower than the standard atmospheric pressure, forming a certain vacuum.

● Features: Long Service Life, Eco-Friendly, Easy Installation, etc
● Actuator Type: Spring Return(Single Acting) and Double Acting
● Rotation: Quarter-turn
● Applicable Standard: GB, ANSI, JIS,DIN
● Connection Type: Flange End
● Suitable Medium: Water, Oil, Air, Gas, etc


technical parameters of valve body

Body Valve components
Size range DN15~DN400 Sealing material PTFE:-30℃~180℃
Body material Stainless steel Core material Stainless steel
End conection Flange Stem material Stainless steel
Operating pressure 1.6, 2.5, 4.0, 6.4MPa Applicable media Water, oil, Gas, Liquid, steam, powder, anti-corrosive base
Structure Floating ball core

technical parameters of valve actuator

Double acting Air to open, air to close, air supplier failure to keep the current position
Single acting N/C Air to open, interrupt air to close, air failure to close
Single acting N/O Air to close, interrupt air to open, air failure to open
Optional accessory Reversing solenoid valve, limit switch box, air filter reducing valve, positioner, handle manual, lock up valve.

pneumatic actuator

Accessories of Pneumatic Valve (1)



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Packing details: each valve will be packed with foam in carton or in pallet to keep it safe during shipment.

Shipping method: we offer a variety of fast shipping methods, including DHL, Fedex, TNT, UPS, EMS, Airway, etc.

Delivery time: within 15 working days after payment due, stocking items same-day shipping.

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