GB/T 40565.4-2021 Active National standards

GB/T 40565.4-2021 Connections for hydraulic fluid power—Quick-action couplings—Part 4:Screw connection type at 72 MPa

Publish Date: 2021-10-11 Implement Date: 2022-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 40565.4-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Hydraulic and pneumatic devices

ICS Name: Pipes and pipe fittings

Publish Date: 2021-10-11

Implement Date: 2022-05-01

Pages: 8 pages

Scope

This document specifies the dimensions and requirements of quick-change couplings with hydraulic thread connections under a pressure of 72 MPa.
This document applies to two types of quick-change couplings: the P-type with a conical valve and the S-type with a ball valve.

Development Information

Word Count: 17 Thousand words Pages: 8 pages

Same series standard

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 GB/T 40565.3-2021 Connections for hydraulic fluid power—Quick-action couplings—Part 3:Screw connection type for general purpose

Referenced Standards

ISO 725 ISO 18869 GB/T 2351-1993 Fluid power systems and components—Connectors and associated components—Outside diameters of tubes and inside diameters of hoses GB/T 2351-2005 Fluid power systems and components—Connectors and associated components—Nominal outside diameters of tubes and nominal inside diameters of hoses GB/T 2351-2021 Fluid power systems and components—Outside diameters of tubes and inside diameters of hoses GB/T 17446-1998 Fluid power systems and components—Vocabulary GB/T 17446-2012 Fluid power systems and components—Vocabulary GB/T 17446-2024 Fluid power systems and components—Vocabulary GB/T 20666-2006 Unified screw threads—Tolerances

Adopt standards

ISO 14540:2013

Related Standards

GB/Z 18427-2001 Active

GB/Z 18427-2001 Hydraulic hose assemblies—External leakage classification for hydraulic systems

Publish Date: 2001-08-28

GB/T 7937-2002 Replaced

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Publish Date: 2002-03-10

GB/T 15329.1-2003 Replaced

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GB/T 5860-2003 Active

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Publish Date: 2003-11-10

GB/T 5861-2003 Active

GB/T 5861-2003 Hydraulic fluid power—Quick action couplings—Test methods

Publish Date: 2003-11-10

GB/T 7937-2008 Abolished

GB/T 7937-2008 Fluid power systems and components—Connectors and associated components—Nominal pressures

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