2-port refrigerant valve, internal solder connection, DN32, kvs 10, AC / DC 24 V, DC 0/2...10 V / 0/4...20 mA

Stock no. S55320-M105

Stock no. S55320-M105

Hermetically sealed 2-port valves for modulating control of chillers and heat pumps.

  • Expansion, hot-gas and suction throttle applications with one type of valve

  • PS45, stainless steel with soldering connections

  • Integrated power electronic with precise position feedback signal

  • For safety refrigerants such as R22, R134a, R404A, R407C, R410A, R507, and R744 (CO2). Not suitable for inflammable refrigerants.

Additional info

The MVL661..-.. refrigerant valve is used in conjunction with PolyCool for superheat control or SAPHIR for chiller control.

MVL661..-.. replaces M2FS..LX.., M2FE..L.. and MVL661.25.

MVL661..-.. are UL listed.

ASR61: Replacement electronics in the event of defective valve electronics.



Material, housing


PN class


Operating voltage

AC 24, DC 20...30 V

Power consumption

22 VA

Positioning signal

DC 0...10, DC 2...10, DC 0...20, DC 4...20 V

Positioning time

< 1 s (faulty format)

Spring return function

A->AB closed

Position feedback

DC 0...10, DC 2...10, DC 0...20, DC 4...20 V

Degree of protection


Ambient temperature, operation

-25...55 °C

Mounting position

Upright to horizontal

Permissible operating pressure

4500 kPa

Leakage rate

< 0.002 % of k<subscript>vs</subscript> value (faulty format)

Medium temperature

-40…120 °C

Valve characteristic


Stroke resolution ΔH/H100


Material, valve body

Steel/ CrNi steel

Material, inside set

CrNi steel/brass


1600 kPa




10 m³/h

kvs reduced

6.3 m³/h