Descriptors | Hydraulic transmission systems, Hydraulic control equipment, Liquid valves, Valves, Servosystems, Hydraulically-operated devices, Electrically-operated devices, Fluid equipment, Controllers, Flow regulators, Pressure regulators, Seatings, Mounting pads, Environment (working), Dimensions, Dimensional tolerances, Diameter, Preferred sizes, Interchangeability, Locating pins, Holes, Surface texture |