T/CNCA 004-2021
Pipe valve for paste filling in coal mine (English Version)

Standard No.

T/CNCA 004-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Group Standards of the People's Republic of China

Latest

T/CNCA 004-2021

Scope

This document stipulates the terms and definitions, structural types and specifications, technical requirements, detection methods, inspection and judgment rules, product marking, protection, packaging, storage and maintenance of pipe valves for coal mine paste filling.

T/CNCA 004-2021 history

• 2021 T/CNCA 004-2021 Pipe valve for paste filling in coal mine
• 1970 T/CNCA 004-2020 Coal direct liquefied diesel