HED402 Auto Drain/ZDFS Auto Discharger
HED series auto drain is one of the E series air tretment units,size includes 1/8",1/4",1/2". Auto drain is normally used to automatically drain dirty water from the lower position automatically, including cooling type air drainer, oil seperator, air tank and various air filter. The auto drain is especially used in many places, which are not suitable for people to touch, for example, too high, too low, too narrow or some very frequently used. The HED series auto drain can prevent second polution from hand drain missing.