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VALVE PRODUCTS

COVNA aims to provide customers quailty products with competitive pricing

COVNA HK57-T Double Union PVC 3 Way Pneumatic Actuator Ball Valve

COVNA HK57-T Pneumatic PVC Ball Valve, 2 way or 3 way port configuration, double acting standard control mode, single acting is available, UPVC or PVC body construction, CPVC is optional, 2.5 to 8bar input air pressure, minimum 1/2 inch union connection, inside female thread is optional, default EPPDM seat, common use for air, hot water, cold water, steam (Low pressure).

Air actuated pvc 3 way plastic ball valve are used for on-off control of water and other media compatible with the materials of construction

Advantages: higher flow rates, higher pressures, wider media compatibility, straight through flow path, reduced water hammer, and use in hazardous environments.

  • Model: HK57-T
  • Size Range: 1/2"-2"
  • Pressure Range: 1.0MPa
  • Material: PVC, CPVC, UPVC

COVNA Pneumatic Actuated Plastic 3 Way Ball Valve

  • Simple structure, small size, light weight
  • Actuator Type: Spring Return(Single Acting) and Double Acting
  • Valve Type: 2-Ways & 3-Ways Air Actuator Ball Valve (T Type and L Type)
  • Rotation: Quarter-turn
  • Pneumatic Valve alignment and support in any position.
  • Connection Type: Double Union
  • Suitable Medium: Water, Liquid,Oil, Air, Gas, etc

technical parameters of valve actuator

Structure Rack and pinion pneumatic valve actuator
Mounting ISO5211, NAMUR, DIN3337
Air Supply Pressure 2.5 to 8 bar
Double Acting Type  Air to open, air to close, air supply failure to keep the current position. Torque range from 8Nm to 4678Nm 
Single Acting (Spring Return) Air to open, interrupt air to close, air failure to close. Torque range from 5Nm to 2792Nm
Optional Accessory Positioner, Litmit Switch, F.R.L, Pneumatic Solenoid Valve, Gearbox

technical parameters of valve body

Actuator Type Spring Return / Double Acting Size Range DN15-DN50
Port Thread Double Union, Thread Body Material Plastic UPVC
Medium Air, water, steam, oil, etc Structure T port / L port
Working Pressure 10 / 16 bar (145 / 232 psi) Suitable Media Water, Liquids, Gas, Oil, Air, Steam, Corrosive Medium, etc
Body Material Plastic UPVC Temperature Of Media -10 to 180℃ (14℉ to 356℉)

 

3 Way Ball Valve Flow Diagram:

3 Way Ball Valve Flow Diagram

Accessories of Pneumatic Valve (1)

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