GB/T 25974.3-2010

Active

Powered support for coal mine - Part 3：The hydraulic control system and valves

煤矿用液压支架 第3部分：液压控制系统及阀

Standard Type
GBT
ICS
73.100
CCS
D97
Status
Active
Issue Date
2011-01-10
Implementation
2011-06-01
Centralized Committee
中国煤炭工业协会
Issuing Authority
中国煤炭工业协会

Application Summary AI generated

This standard specifies technical requirements, test methods, and inspection rules for hydraulic control systems and valves used in powered roof supports in coal mines. It is applied in the design, manufacturing, and quality verification of these systems to ensure safe and reliable operation of hydraulic supports in underground mining environments. The standard is critical for maintaining roof stability and preventing collapse during coal extraction.

Related Standards

JB/T 53528-1999 JZA–5/1000 Safety Ladder Shaft Sinking Winch Product Quality Grading (Internal Use) JB/T 53529-1999 JZ Type Sinking Winch - Product Quality Grading (Internal Use) JB/T 53588-1999 WK–4 Excavator Product Quality Grading (Internal Use) JB/T 53579-1999 Dump Mine Car Product Quality Grading JB/T 53568-1999 Fixed Body Narrow Gauge Mine Car - Product Quality Grading (Internal Use) JB/T 53566-1999 Product Quality Grading for Single-Side Curved Rail Side-Dumping Mine Car (Internal Use) JB/T 53562-1999 Planetary Drive Scraper Winch Loader - Product Quality Grading (Internal Use) JB/T 53574-1999 KQ Series Down-the-hole Drilling Rig - Product Quality Grading (Internal Use)
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.