Explosion-proof(d2G4 / ExdⅡBT4)、Drip-proof(Drip-proof protection class : Equivalent to IP54); Return / Hold; Ceramic slide valve system, Pilot type; Gasket connection type Rc1/4 , 3/8 , 1/2; This valve can be used as a 3-port valve by closing one of OUT ports (plug).