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Air-operated control valves

SITEC Electro-pneumatic control valves with piston actuator.

Specifications
Pressure max. 4000 bar / 60.000 PSI
Temperature fluid working temperature 200°C

Features and advantages

  • DN3 and DN5 available for up to 4000 bar pressure.
  • Diverse stem / seat-combinations for for flow characteristics  (Kvs values) to suit specific customer requirements.
  • All valves with replaceable seat (Type 6).
  • Setpoint input via 1–9 Vdc. analogue signal.
  • Positioner incorporated in valve. 
  • Stem position feedback via interface as standard (0.5 – 4.5 Vdc.).
  • Electrical connection via sensor connector M12x1 (4-pin).
  • „Fail safe“ position NO and NC:
    -NO: normally open, air to close.
    -NC: normally closed, air to open.
  • Required actuator air-pressure 6 bar.
  • Ambient temperature max. 80°C.
  • Suitable for liquids and gases.
  • Electrical connections:
    -Supply 24 Vdc.
    -Position setpoint 1– 9 Vdc.
    -Position feedback 0.5 – 4.5 Vdc.

Options

  • High-pressure seals for medium temperatures of max.  100°C or max. 200°C.
  • Versions for hydrogen application.