GB/T 42086.3-2024 Active National standards

GB/T 42086.3-2024 Connections for hydraulic fluid power—Flange connections—Part 3:Square series of 42 MPa、DN25～DN80

Publish Date: 2024-06-29 Implement Date: 2024-06-29 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 42086.3-2024

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: 2024-06-29

Implement Date: 2024-06-29

Pages: 24 pages

Scope

This document specifies the general requirements and dimensions for flange heads, flange clamps, flange oil ports, and installation surfaces of square flange clamp-type hard pipe connectors and hose connectors (DN25 to DN80) used for 42 MPa, four-screw fastening; it also stipulates the requirements and dimensions of the sealing rings and sealing grooves used in conjunction with them.
This document is applicable to the connectors of hydraulic systems in industrial and commercial products where it is inconvenient to use threaded pipe connectors.

Development Information

Word Count: 29 Thousand words Pages: 24 pages

Referenced Standards

ISO 48-2 ISO 3601-1 GB/T 70.1-2000 Hexagon socket head cap screws GB/T 70.1-2008 Hexagon socket head cap screws GB/T 97.1-2002 Plain washers—Product grade A GB/T 131-1993 Mechanical drawings—Surface roughness symbols and methods of indicating GB/T 131-2006 Geometrical Product Specifications (GPS)—Indication of Surface texture in technical Product documentation GB/T 193-2003 General purpose metric screw threads—General plan GB/T 196-2003 General purpose metric screw threads—Basic dimensions GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 3098.1-2000 Mechanical properties of fasteners—Bolts, screws and studs GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts,screws and studs GB/T 3452.2-1987 Appearance quality acceptance criteria for rubber O-rings GB/T 3452.2-2007 Fluid power systems—O-rings—Part 2:Quality acceptance criteria GB/T 5783-2000 Hexagon head bolts—Full thread GB/T 5783-2016 Hexagon head bolts—Full thread GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests 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 26143-2010 Connectors for hydraulic fluid power—Test methods GB/T 41354-2022 Hydraulic fluid power—Plain-end,seamless and welded precision steel tubes—Dimensions and nominal working pressures GB/T 196-2025 General purpose metric screw threads—Basic dimensions GB/T 5783-2025 Fasteners—Hexagon head bolts—Full thread GB/Z 131-2025 Sharing economy—General trustworthiness and safety requirements for digital platform

Adopt standards

ISO 6164:2018

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

GB/T 7937-2002 Fluid power systems and components—Connectors and associated components—Nominal pressures

Publish Date: 2002-03-10

GB/T 15329.1-2003 Replaced

GB/T 15329.1-2003 Rubber hoses and hose assemblies—Textile-reinforced hydraulic types—Specification—Part 1:Oil-based fluid applications

Publish Date: 2003-06-23

GB/T 5860-2003 Active

GB/T 5860-2003 Hydraulic fluid power—Quick-action couplings Dimensions and requirements

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

Publish Date: 2008-01-14