U.S. NUMATICS solenoid valve 

 NUMATICS solenoid valves are widely used in the U.S. electric power, petrochemical, automotive, glass and other industries, in the fluid industry, technology plays a leading role in a number of 
 Air handling charge of road components (after the cooler, dryer, filter) branch line air components (large flow FRL components, precision valves, pressure switches) directional control valve (L series gas control valve, solenoid valves, S series of miniature solenoid valve, 2000 series valve islands) cylinder (sections 6431, 6432 refers to the type of cylinder) auxiliary pneumatic components (airbags, hydraulic buffers, throttle valve, exhaust valve, muffler, quick plug)