... water, Oil ect. 11)Application: Low-pressure large-flow normally air water control system3.Announcements:1)NBR/EPDM/VITON can ... easy assembly.2.Small size, high flow, little electric power required.3.Available fluid : air, gas, water, oil etc.Solenoid ... used in refrigeration compressor group, central air-conditioning, cold storage equipment and bus air-conditioning system. MODELCONENT SIZEbarSIZE A*B ...