In principle, SMC products cannot be used outdoors. FA Factory Automation Pressure Control Equipment Piping Material Operation Unit Actuators Fittings/S Couplers Tubing Explosion-proof Specifications NAMUR Standards Relay Electro-Pneumatic Transducer Booster relay Electro-pneumatic transducer Intrinsically safe explosion-proof Explosion proof (Flameproof) IP67 �� Stainless steel series �� Coil tube �� Double-layered tube �� Longer length tube Lock-up valve Lever type Rotary type Cylinder with Positioner Solenoid Valves Accessories Positioners 2