Control valves with pneumatic drive

Regulacionio ventil sa hidrauličkim pogonom

Control valves with pneumatic drive are used when regulation requires a fail-safe mode (spring to close / spring to open – in case of irregularities, the valve automatically closes / opens). Pneumatic valves are usually accompanied by a positioner (for regulation) or a solenoid valve for on/off functions. When defining a control valve with pneumatic drive, it is necessary to specify:

  • The type of function it performs (on/off or regulation)
  • The type of pneumatic drive (double-acting or single-acting/spring-return)
  • Whether there are conditions for supplying the pneumatic drive with compressed air
  • The number of springs

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