GB/T 3836.29-2021: Explosive atmospheres - Part 29: Non-electrical equipment for explosive atmospheres - Constructional safety 'c', control of ignition source 'b', liquid immersion 'k'

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Scope

This document specifies the requirements for the design and construction of
nonelectrical equipment, intended for use in explosive atmospheres, protected
by the types of protection constructional safety “c”, control of ignition source “b”
and liquid immersion “k”.
This document applies to Ex equipment, Ex components, protection systems,
devices and assemblies of these products, protected by the types of protection
constructional safety “c”, control of ignition source “b” and liquid immersion “k”.
This document supplements and modifies the requirements in GB/T 3836.28-
2021.Where a requirement of this standard conflicts with the requirement of
GB/T 3836.28-2021, the requirement of this standard takes precedence.
Types of Protection “c”, “k” and “b” are not applicable for Group I, EPL Ma
without additional protective precautions.
The types of ignition protection described in the standard can be used either on
their own or in combination with each other to meet the requirements for
equipment of Group I, Group II, and Group III depending on the ignition hazard
assessment in GB/T 3836.28-2021.

Basic Data

Standard ID	GB/T 3836.29-2021 (GB/T3836.29-2021)
Description (Translated English)	Explosive atmospheres - Part 29: Non-electrical equipment for explosive atmospheres - Constructional safety 'c', control of ignition source 'b', liquid immersion 'k'
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K35
Word Count Estimation	40,425
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration