3 ways, 2 positions, normally closed, normally open.Pilot operated.Seat shutoff. No need for lubrication to operate.Body: brass, stainless steel, etc.BSP or NPT threaded connections.Buna N diaphragm and seats for neutral fluids up to 80ºC.FKM diaphragm and seats for other uses.Shape A DIN 43650 connection encapsulated coils.IP65 and NEMA 4 protection. Pilot orifice with internal discharge. It may be used with fluids which cannot be discharged into the atmosphere.Greater flow capacity and lower response time than any other spool valve of the same size.Core tube: 304 s.s. Core spring: 302 s.s. Core: 430 F s.s.Shading coil: copper (brass body) silver (s.s. body).