Siemens MVS661.25-016N Valves for Ammonia and Safety Refrigerants,
The MVS661…N refrigerant valve can drive by Siemens or third-party controllers,
that deliver a 0/2…10 Vdc or 0/4…20 mA output signal.
The valve stroke is proportional to the control signal.
Can use with ammonia, CO2 and commonly use safety refrigerants.