M3FB20LX/A

Hermetically sealed contol valves for modulating capacity control of refrigeration units and for heat recovery.

• PN40 with soldered CrNi steel connections
• For organic safety refrigerants such as R22, R134a, R404A, R407C, R410A, R507, etc. Not suitable for flammable refrigerants
• ZM electronics must be ordered separately (see accessories)

Summary
Modulating control valves for hot-gas control, without ZM.. electronics housing
For use with Staefa controllers (working range 4…8 V)

• PN class: PN 32
• Operating voltage: AC 24 V
• Power consumption: 26 VA
• Positioning signal: DC 0...10 V, DC 4...20 mA, DC 0...20 V Phs
• Positioning time: 1 s
• Spring return function: AB-> A closed
• Degree of protection: IP54
• Ambient temperature, operation: -40…50 °C
• Mounting position: Any
• Permissible operating pressure: 4300 kPa
• Leakage rate: 0.05 % of kvs
• Medium temperature: -40…120 °C; -40…248 ºF
• Valve characteristic: Linear
• Stroke resolution ΔH/H100: 1:200
• Material, valve body: Steel
• Material, inside set: CrNi steel/brass
• Δpmax: 1800 kPa
• Dimensions (W x H x D): 180 x 337 x 102 mm
• kvs: 5 m³/h
• DN: 20
• Warranty: 60 Months

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