General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 26142.1-2010
Scope
This part of GB/T 26142 stipulates the following requirements for the installation surface of pneumatic five-way directional control valves with specifications of 18mm and 26mm and a maximum rated operating pressure of 1.6MPa without electrical connectors: installation surface size and shape tolerance; main air port and the identification of the control gas port; the identification of the control results of the control device. This section does not apply to the functional characteristics of the mounting surface.
GB/T 26142.1-2010 Referenced Document
ISO 1101 Geometrical product specifications (GPS) - Geometrical tolerancing - Tolerances of form, orientation, location and run-out*, 2017-02-01 Update
ISO 11727 Pneumatic fluid power - Identification of ports and control mechanisms of control valves and other components
ISO 1302 Geometrical Product Specifications (GPS) — Indication of surface texture in technical product documentation — Amendment 2: Indication of material ratio requirements
ISO 5598 Fluid power systems and components — Vocabulary*, 2020-01-06 Update
GB/T 26142.1-2010 history
2011GB/T 26142.1-2010 Pneumatic fluid power.Five-port directional control valves,size 18mm and 26mm.Part 1:Mounting interface surfaces without electrical connector