MT/T 71-1997
Shackle type connector units for mining round link chain (English Version)

Standard No.

MT/T 71-1997

Language

Chinese, Available in English version

Release Date

1997

Published By

Professional Standard - Coal

Latest

MT/T 71-1997

Replace

MT 71-1991

Scope

This standard specifies the type and size, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of open connecting rings for scraper conveyors (hereinafter referred to as "connecting rings"). This standard is applicable to double-chain scraper conveyors and transfer machines under coal mines, and the connections used to connect high-strength circular link chains and scrapers for mining.

MT/T 71-1997 history

• 1997 MT/T 71-1997 Shackle type connector units for mining round link chain
• 1991 MT 71-1991 Open connecting ring for mining round link chain

MT/T 71-1997 Shackle type connector units for mining round link chain has been changed from MT 71-1991 Open connecting ring for mining round link chain.