GB/T 40565.2-2021: Connections for hydraulic fluid power. Quick-action couplings - Part 2: Flush-face type at 20 MPa to 31.5 Mpa

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Scope

This document specifies the dimensions and requirements of different specifications of flush-
face type hydraulic quick-action couplings under a pressure of 20 MPa ~ 31.5 MPA.
This document is applicable to flush-face type hydraulic quick-action couplings for connecting
or disconnecting without pressure.
NOTE: when the quick-action couplings are disconnected in the connected state, the separated
coupling end automatically seals the upstream and downstream fluids.

Basic Data

Standard ID	GB/T 40565.2-2021 (GB/T40565.2-2021)
Description (Translated English)	Connections for hydraulic fluid power. Quick-action couplings - Part 2: Flush-face type at 20 MPa to 31.5 Mpa
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J20
Word Count Estimation	7,714
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration