MT/T 421-2025 Active Industry standards-Coal

MT/T 421-2025 Testing method of the performance parameters in situ for the main fan used in coal mine

Publish Date: 2025-06-30 Implement Date: 2025-12-30 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: MT/T 421-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Special equipment and supplies for coal mines

ICS Name: Ventilation, air conditioning, and lighting equipment

Publish Date: 2025-06-30

Implement Date: 2025-12-30

Pages: 24 pages

Scope

This document specifies the conditions for determining the operating parameters of main ventilators used in coal mines, the measurement instruments, the determination of performance parameters, and the plotting of ventilator performance curves.
This document is applicable to the determination of the performance parameters of main ventilators (hereinafter referred to as ventilators) installed at coal mine sites.