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GB 40881-2021

Code for security system design of low concentration gas pipeline transportation of coal mine

煤矿低浓度瓦斯管道输送安全保障系统设计规范

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Explanation

GB 40881-2021 is a current mandatory Chinese national standard for Code for security system design of low concentration gas pipeline transportation of coal mine. It appears in the Food compliance cluster with a product safety focus and has an implementation date of May 1, 2022.

Applicability depends on product scope, certification route, competent authority notices and transition rules. Verify against the official source before using this record in a compliance decision.

Applicability hints

Food & food contactMachinery & industrial equipmentEnvironment & energyProduct safetyLabeling & classificationTesting methodsEnvironmental protectionOccupational safety
Type
Method
CCS
D09
ICS
13.100
Competent department
National Mine Safety Administration
Technical committee
National Mine Safety Administration