... fan, imported cool wind machine head, Solenoid Valve, ALCO filter, High and low voltage Table, Denver silk expansion valve, ... 3mm Outside layer SUS304L, thick 3mmDielectric insulation: Polyurethane foamConstruction: open cover at the top, collect the finished product at ... Control System 1 setPressure display:a) One stage filter pressure, two stage filter pressure b) Refrigeration units of low pressure ...