MT/T 309-1992
General technical specification for hydraulic coal mining hydraulic control water gun (English Version)

Standard No.

MT/T 309-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

Professional Standard - Coal

Latest

MT/T 309-1992

Scope

This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of liquid-controlled water guns for hydraulic coal mining (hereinafter referred to as "liquid-controlled water guns"). This standard applies to hydraulic coal mining liquid water control guns with a solid content in water less than 1g/m3.

MT/T 309-1992 history

• 1992 MT/T 309-1992 General technical specification for hydraulic coal mining hydraulic control water gun