4 ways, 3 positions, closed center. It allows to operate double acting cylinders or actuators. Aluminium, brass and stainless steel body. BSP or NPT 1/4", 3/8", 1/2" threaded connections. Seat shutoff, 4 diaphragms which plug up therespective ways. High capacity and operation speed. No need for lubrication to operate, ideal for instrument air. Pilot orifices with internal discharge, it may operate dangerous fluids or those which do not allow spills, such as gas, fuel, water, light oils and other similar fluids. Shape A DIN 43650 connection encapsulated coils. IP65 and NEMA 4 protection. Core tube: 304 s.s. Core spring: 302 s.s. Core: 430 F s.s. Shading coil: copper (brass or aluminium body) silver (s.s. body).