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GB/T 3836.36-2022Explosive atmospheres - Part 36: Electrical safety devices for the control of potential ignition sources from Ex Equipment (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 14, 2022

Implementation date

May 1, 2023

Scope

GB/T 3836.36-2022 (Explosive atmospheres - Part 36: Electrical safety devices for the control of potential ignition sources from Ex Equipment) is available as an English-translated PDF.

GB/T 3836.36-2022 is the Chinese standard "Explosive atmospheres - Part 36: Electrical safety devices for the control of potential ignition sources from Ex Equipment".

Its scope clause reads: This document specifies the basic requirements, functional requirements, testing and verification, and standardization of electrical safety devices for controlling potential ignition sources of explosion-proof equipment. requirements such as manuals and manuals.

This document applies to the implementation of safety functions to control the electrical safety of potential ignition sources of electrical or non-electrical explosion-proof equipment in explosive atmospheres device.

This document provides guidance to manufacturers of equipment in which electrical safety devices are used to reduce explosion protection in explosive atmospheres The possibility that a potential ignition source of the equipment becomes an effective ignition source.

This document also applies to combinations of elements that perform safety functions. E.g. ---sensor; --- logical system; --- Final element. This document may also be used to independently assess safety devices for non-specific explosion-proof equipment designs.

Safety devices can be used as a measure to achieve the Equipment Protection Level (EPL) required for explosion-proof equipment relative to potential ignition sources. safety gear The combination of equipment and explosion-proof equipment will comply with the relevant standards for EPL in GB/T 3836 (all parts).

However, by simply increasing security Devices to increase the EPL of explosion-proof equipment are outside the scope of this document.

This document does not apply to. --- Mechanical control equipment, such as pressure relief valves, mechanical governors and other mechanical safety devices; --- the use of gas detection; --- Control equipment to prevent the formation of explosive atmospheres, such as inerting systems and ventilation systems; --- Blast mitigation.

Note. Some potential ignition sources may not be operable through safety device control. If the safety integrity level of the electrical safety device has been determined in other parts of GB/T 3836, this document can be used to achieve Reference to Safety Integrity Level.

Electrical safety devices may be installed as part of Explosion-Proof Controlled Equipment (EEUC) or separately and may be located in hazardous locations Inside or outside the premises.

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Document preview — GB/T 3836.36-2022

National Standard of the People's Republic of China

ICS: 29.260.20
Classification: K 35

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Basic requirements
5 Prevention of ignition by safety devices
6 Functional requirements for safety devices
7 Testing and Validation
8 flags
9 User Manual
Appendix A (Informative) Safety Device Application Example
Appendix B (Informative) Safe Motor Temperature (SMT) Subfunction for Variable Frequency Powered Motors
Appendix C (Informative) Guidelines for the Assessment of Simple Safety Devices

1 Scope

This document specifies the basic requirements, functional requirements, testing and verification, and standardization of electrical safety devices for controlling potential ignition sources of explosion-proof equipment.

requirements such as manuals and manuals.

This document provides guidance to manufacturers of equipment in which electrical safety devices are used to reduce explosion protection in explosive atmospheres

The possibility that a potential ignition source of the equipment becomes an effective ignition source.

This document also applies to combinations of elements that perform safety functions. E.g.

---sensor;

--- logical system;

--- Final element.

This document may also be used to independently assess safety devices for non-specific explosion-proof equipment designs.

Safety devices can be used as a measure to achieve the Equipment Protection Level (EPL) required for explosion-proof equipment relative to potential ignition sources. safety gear

The combination of equipment and explosion-proof equipment will comply with the relevant standards for EPL in GB/T 3836 (all parts). However, by simply increasing security

Devices to increase the EPL of explosion-proof equipment are outside the scope of this document.

This document does not apply to.

--- Mechanical control equipment, such as pressure relief valves, mechanical governors and other mechanical safety devices;

--- the use of gas detection;

--- Control equipment to prevent the formation of explosive atmospheres, such as inerting systems and ventilation systems;

--- Blast mitigation.

Note. Some potential ignition sources may not be operable through safety device control.

If the safety integrity level of the electrical safety device has been determined in other parts of GB/T 3836, this document can be used to achieve

Reference to Safety Integrity Level.

Electrical safety devices may be installed as part of Explosion-Proof Controlled Equipment (EEUC) or separately and may be located in hazardous locations

Inside or outside the premises.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 3836.1 Explosive Atmospheres Part 1.General Requirements for Equipment (GB/T 3836.1-2021, IEC 60079-0.

2017, MOD)

GB/T 3836.29 Explosive Atmospheres - Part 29.Non-electrical Equipment Structural Safety Type "c" for Explosive Atmospheres, Controlled Ignition

Source type "b", liquid immersion type "k" (GB/T 3836.29-2021, ISO 80079-37.2016, MOD)

GB/T 20438.4 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems Part 4.Definitions and Abbreviations

GB/Z 3836.37 | GB/T 3836.33 | GB/T 3836.34 | GB/T 3836.31 | GB/T 3836.30 | GB/T 3836.29 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 37 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 60079 · ISO 80079

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