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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.