Standard Cylinder, Slim Cylinder, Profile Cylinder, Solenoids, Pilot Valve, The main products of SNS are air combinations, cylinders, valves, fittings, hydraulic components etc. Nice exterior, reassuring quality and cost effective, Slim Cylinder Plastic Bottles make a fantastic choice for tight spaces, pilot valve is a small valve that controls a limited-flow control feed to a separate piloted valve. Typically, this valve controls a high pressure or high flow feed. Solenoids, Tubular Solenoids, Long Life Tubular Solenoids, Frame Solenoids, Push Type Solenoids, Pull Type Solenoids, Magnetic Latching, solenoid is a type of electromagnet when the purpose is to generate a controlled magnetic field. If the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.