Modulating pilot valve with magnetic actuator as the controlling element for 2…5" main valves for modulating control of chillers, or for direct control of low kvs values. Suitable for use with safety refrigerants such as R22‚ R134a‚ R404A‚ R407C‚ R507 and for ammonia R717. Unsuitable for applications with gas/liquid mixtures.
Features:
- Short positioning time (approx 1 s)
- High resolution
- Hermetically sealed
- Versatile electrical interface with terminal housing ZM..
- Friction free
- Robust and maintenance-free