Forged brass (OT58), nickel-plated brass or stainless steel (AISI-316) body. Stainless steel internal parts. Stainless steel spring. Compact solenoid assembly with tropicalized, glass-reinforced nylon moulded coil. Class of insulation F (150°C) class H (180 °C) winding wire. Solenoid completely separated from the fluid. Light alloy explosion proof solenoid housing according to: standards ATEX 94/9/CE Ex IIGD - EExd IIB - with CESI certificate CESI-02-ATEX-131 Ex IIGD - EExd IIC - with CESI certificate CESI-02-ATEX-130 Temperature class T6 (for ambient temperature <= +40°C) Temperature class T5 (for ambient temperature <= +55°C) upon request. Waterproof IP65 according to EN60529 standards with CESI certificate. Inside terminal board, with internal and external ground connecting screws. 360° orientable solenoid assembly. Any position working.