At times a driver needs to quickly drop a working rig’s rear suspension, such as to gain more clearance under low openings or when backing under a trailer. Nothing works better for such situations ...

Directional-control valves are common in pneumatic systems. They control compressed-air flow to cylinders, rotary actuators, grippers, and other mechanisms in packaging, handling, assembly, and ...

A single power plant uses hundreds of valves to control almost every aspect of its operation. Valves, in conjunction with a controlling actuator, are used for pollution control, feed water, cooling ...