unload valve compressor 1.Certificate: CE,CQC ISO9001 and UL 2.Used for CFC HCFC HFC oil gas 3.Biggest client:Carrier, York Unload valve compressor Characteristicsl Complete range of solenoid valves for refrigeration, freezing and air conditioning plant.l Supplied both normally closed (NC) and normally open (NO) with de-energized coils.l Wide choices of coils for a.c. and d.c..l Suitable for all ...