Normally closed and normally open. Direct acting or pilot operated versions. Injected aluminium body. Stainless steel or aluminium die-cast bonnet. BSP or NPT threaded connections. Buna “N” seats and diaphragm. Encapsulated coil. DIN 43650 Connection. IP65 and NEMA 4 Protection.Quick or slow opening adjustable up to 10 sec. Closure in less than 1 second. Optional microcontact for closed valve verification. Core tube: 304 s.s. Core spring: 302 s.s. Core:430 F s.s. Shading coil: copper.