Special Features:

Consist of; body, plug set, valve check, plug set, valve-thermal relief, isert, locking, helical coil, pin spring

Properties:

An item which controls both the direction and the rate of flow of fluid in direct response to a primary control of comparatively low level force. It is used for positioning a linear actuating cylinder assembly, and for controlling the rate of travel of the piston. The primary control force may be mechanical, hydraulic, and/or electrical.