GB/T 40565.3-2021

Active

Connections for hydraulic fluid power—Quick-action couplings—Part 3:Screw connection type for general purpose

液压传动连接 快换接头 第3部分：螺纹连接通用型

Standard Type
GBT
ICS
23.100.40
CCS
J20
Status
Active
Issue Date
2021-10-11
Implementation
2022-05-01
Centralized Committee
中国机械工业联合会
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the dimensions, performance requirements, and test methods for screw-type quick-action couplings used in hydraulic fluid power systems. It is applied in general-purpose industrial and mobile hydraulic equipment where frequent connection and disconnection of fluid lines is required, such as in construction machinery, agricultural equipment, and manufacturing automation. The standard ensures interchangeability and reliable sealing under specified pressure and temperature conditions.

Related Standards

GB/T 2878.2-2011 Connections for hydraulic fluid power—Ports and stud ends with metric threads and O-ring sealing—Part 2: Heavy-duty stud ends (S series) JB/T 51109-1999 Internal combustion engines - Main bearing shells and connecting rod bearing shells - Product quality grading (Internal use) GB/T 8606-2003 Thread connectiong dimensions andspecifications of hydraulic fluid power--Quick action couplings GB/T 5860-2003 Hydraulic fluid power--Quick action couplings--Dimensions and requirements GB/T 5861-2003 Hydraulic fluid power--Quick action couplings--Test methods GB/T 2352-2003 Hydraulic fluid power--Gas-loaded accumulators with separator--Ranges of pressures and volumes and characteristic quantities GB/T 15623.1-2003 Hydraulic fluid power--Electrically modulated hydraulic control valves--Part 1:Test methods for four-way directional flow control valves GB/T 15623.2-2003 Hydraulic fluid power--Electrically modulated hydraulic control valves--Part 2:Test methods for three-way directional flow control valves
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.