GB/T 2885.1-1981
Replaced
GB/T 25974.3-2010
Active
National standards
GB/T 25974.3-2010 Powered support for coal mine—Part 3:The hydraulic control system and valves
GB/T 25974.3-2010 Powered support for coal mine—Part 3:The hydraulic control system and valves
Basic Information
Standard Code:
GB/T 25974.3-2010
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Mine support equipment
ICS Name:
Mining equipment
Publish Date:
2011-01-10
Implement Date:
2011-06-01
Pages:
31 pages
Scope
This part of GB 25974 specifies the terms and definitions, classification, requirements, test methods, inspection rules, marking, packaging, and storage of hydraulic control systems and valves for hydraulic supports used in coal mines (hereinafter referred to as "supports").
This part applies to hydraulic control systems and valves of various supports and other equipment with supporting functions used in coal mines, including various hydraulic control systems, safety valves, hydraulic check valves, directional valves, shut-off valves, etc.
This part does not apply to valves inside boosters, columns, and jacks (such as the bottom valve of the column).
Development Information
Same series standard
Adopt standards
EN 1804-3:2001
Related Standards
GB/T 2885.2-1981
Replaced
GB/T 2885.2-1981 Tilting wagon for metallic mines—Basic parameters and dimensions
GB/T 2885.3-1981
Replaced
GB/T 2885.3-1981 Single-side tipping and curved rail wagon for metallic mines—Basic parameters and dimensions
GB/T 2885.4-1981
Replaced
GB/T 2885.4-1981 Automatic drop bottom wagon for metallic mines—Basic parameters and dimensions
GB/T 2885.5-1981
Replaced
GB/T 2885.5-1981 Flat deck wagon for metallic mines—Basic parameters and dimensions
GB/T 2885.6-1981
Replaced