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COVNA HK59D Pneumatic Actuator Cast Iron Wafer Butterfly Valve

COVNA Pneumatic Wafer Type Butterfly Valve, with double acting standard control mode, single acting is available, cast iron or ductile iron body construction, 304 or 316 stainless steel is optional, 2.5 to 8 bar input air pressure, minimum 2 inch wafer connection, default NBR seat, EPDM, PTFE,VITON seat is optional.suitable for the Air, Water, Light oil, Fuels, Solvents, Alcohol and Acids etc.

  • Model: HK59D
  • Size Range: 2" to 20"
  • Pressure Range: 1.0 to 6.4MPa
  • Material: Cast Iron, Cast Steel, Ductile Iron, Stainless Steel

COVNA Pneumatic Actuator Cast Iron Wafer Butterfly Valve

  1. Available In Spring Return(Single Acting) And Double Acting Pneumatic Actuator.
  2. High Torque Up To 4678Nm.
  3. Good Sealing Performance & Long Servise Life.
  4. Large Size Range From 2″ to 20″.
  5. High Flows, Low Cost, Compact Design.
  6. Stainless Steel Material and Cast Iron Material Are Available.

– DATA SHEET – For Valve Body

Actuator Type Spring Return / Double Acting Connection Wafer
Size Range DN50-DN600 Structure Type Midline Structure / A Type
Working Pressure 1.0 / 1.6MPa (10 / 16 bar) Body Material Stainless Steel
Suitable Media Water, Liquids, Gas, Oil, Air, Steam, Corrosive Medium, etc Temperature Of Media -10~180℃ (14℉~356℉)
Disc Material Aluminum Bronze, Ductile Iron Nickel-Lin Stem Material Nickel-plated steel Lin, SS304, SS316, SS416

– DATA SHEET – For Valve Actuator

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
Single Acting (Spring Return) Air to open, interrupt air to close, air failure to close
Optional Accessory Reversing solenoid valve, air filter reducing valve, positioner, handle manual, lock up valve



COVNA pneumatic actuator cast iron butterfly valve can be divided into metal seal or soft seal. Available in NBR, EPDM, VITON and PTFE seals. Long service life and good sealing performance. The inlet pressure of pneumatic actuators is 2.5 to 8 bar.

pneumatic wafer butterfly valveAccessories of Pneumatic Valve (1)

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