MT 644-1997
Active
T/ZZB 3431-2023
Active
Group standards
T/ZZB 3431-2023 High-pressure Explosion-proof Cable Connectors for Coal Mines
T/ZZB 3431-2023 Explosion-proof high-voltage connector for coal mines
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZB 3431-2023
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Special equipment and supplies for coal mines
ICS Name:
Other mining equipment
Publish Date:
2023-11-15
Implement Date:
2023-11-25
Scope
Main technical content: This document specifies the product classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of explosion-proof high-voltage cable connectors for coal mines (hereinafter referred to as connectors). This document is applicable to connectors used for cable connection in coal mines with the risk of methane or coal dust explosions.
Development Information
Related Standards
MT 646-1997
Abolished
MT 646-1997 Frictional metal prop
MT 668-1997
Replaced
MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines
MT 669-1997
Active
MT 669-1997 Technical condition of fire-resistant steel-cable conveyor-belt in coal mining
MT/T 154.7-1997
Active
MT/T 154.7-1997 Model designation of separating equipment for coal
MT/T 660-1997
Active