1. Drain valve, use for air compressor,air compressor,cooling unit,drying machine,filter,air storage tank,timing type drain valve ect air compressedsystem components.
2.Port Size: 1/4"3/8"1/2" 
3.spacing interval(OFF):0.5-45min; drain time(ON):0.5-10s
4.Temp:-40~60 deg
5.IP Grade:IP65
6.Manual Button(Test): yes

7.Fluorine rubber seal, insulation class H level
8.Install electronic drainage valves must ensure that: 1.Compressed air have been empty (pressure 0)
2.cut off power.,,