MT 222-1996
Local ventilator for coal mine (English Version)

Standard No.

MT 222-1996

Language

Chinese, Available in English version

Release Date

1996

Published By

Professional Standard - Coal

Status

Be replaced 2007-07

Replace By

MT 222-2007

Latest

MT 222-2019

Scope

This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of local ventilators for coal mines (hereinafter referred to as ventilators). This standard applies to flameproof motor-driven ventilators in coal mines, and does not apply to local ventilators other than electric drive and counter-rotating local ventilators.

MT 222-1996 history

• 1970 MT 222-2019 Local ventilator for coal mines
• 2007 MT 222-2007 Technical specification for auxiliary Fans used for mine
• 1996 MT 222-1996 Local ventilator for coal mine
• 1990 MT 222-1990 Local ventilator for coal mines