This standard specifies the dimensions and related characteristics of the mounting surface of hydraulic pressure reducing valves, sequence valves, unloading valves, throttle valves and check valves with a maximum diameter of the main oil port of 4mm to 32mm, so as to ensure their interchangeability. sex. This standard applies to the mounting surfaces of manifold coupling hydraulic pressure reducing valves, sequence valves, unloading method, throttle valves and check valves commonly used in industrial equipment.
GB/T 8100-2006 Referenced Document
GB/T 1031 Geometrical Product Specifications(GPS).Surface texture:Profile method.Surface roughness parameters and their values*, 2009-03-16 Update
GB/T 1182 Geometrical product specifications(GPS)—Geometrical tolerancing—Tolerances of form, orientation, location and run-out*, 2018-09-17 Update
GB/T 131 Geometrical Product Specifications (GPS). Indication of surface texture in technical Product documentation
GB/T 786.1 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 1: Graphical symbols*, 2021-05-21 Update