... is closed ,piston compressor use R407C,R134a,R404A and R507 refrigerant Maneurop Compressor is closed ,piston compressor evaporator temperature from ... Danfoss closed and asked to use the compressor for R404A R507 160pz polyester oil, optimum design point -35 degrees Celsius ... noiseMTZ series specially designed for R407C,R134a,R404A and R507 refrigerant such as HFC refrigerant,,, 160PZ polyester oil as ...