T/QGCML 684-2023 Active Group standards

T/QGCML 684-2023 Lift door closer with pull spring

Publish Date: 2023-03-22 Implement Date: 2023-04-05 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/QGCML 684-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Spring

Publish Date: 2023-03-22

Implement Date: 2023-04-05

Scope

Main technical content: This document specifies the terms and definitions, structural types, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of tension springs for elevator door closers. This document is applicable to the production and inspection of tension springs for elevator door closers (hereinafter referred to as "tension springs")