Bulgarian Institute for Standardization
Standards – always a step ahead
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Projects and standards

To find easily the necessary information, use the different options for advanced search below, e.g. search by technical committee; by keyword in Bulgarian/English; by reference and others.

Determination of the explosion limits and the limiting oxygen concentration(LOC) for flammable gases and vapours

90.60 Close of review

ТК-1 more

Safety devices required for the safe functioning of equipment with respect to explosion risks

90.93 Standard confirmed

ТК-38 more

Explosive atmospheres - Part 36: Non-electrical equipment for explosive atmospheres - Basic method and requirements (ISO 80079-36:2016)

60.60 Standard published

ТК-1 more

Explosive atmospheres - Part 37: Non-electrical equipment for explosive atmospheres - Non-electrical type of protection constructional safety ''c'', control of ignition sources ''b'', liquid immersion ''k'' (ISO 80079-37:2016)

60.60 Standard published

ТК-1 more

Explosive atmospheres - Part 20-2: Material characteristics - Combustible dusts test methods (ISO/IEC 80079-20-2:2016)

60.60 Standard published

ТК-1 more

Potentially explosive atmospheres - Explosion prevention and protection - Guidance on inerting for the prevention of explosions

60.60 Standard published

ТК-1 more

Fire and explosion prevention and protection for bucket elevators

60.60 Standard published

ТК-1 more

Use of plugs of bulk material in screw conveyors and product receivers for explosion isolation

60.60 Standard published

ТК-1 more

Assessment of inadvertent initiation of bridge wire electro-explosive devices by radio-frequency radiation - Guide

60.60 Standard published

ТК-38 more

Assessment of inadvertent ignition of flammable atmospheres by radio-frequency radiation - Guide

60.60 Standard published

ТК-38 more

Explosion protection systems — Part 1: Determination of explosion indices of combustible dusts in air

90.93 Standard confirmed

ISO/TMBG more

Explosion protection systems — Part 2: Determination of explosion indices of combustible gases in air

90.93 Standard confirmed

ISO/TMBG more

Explosion protection systems — Part 3: Determination of explosion indices of fuel/air mixtures other than dust/air and gas/air mixtures

90.93 Standard confirmed

ISO/TMBG more

Explosion protection systems — Part 4: Determination of efficacy of explosion suppression systems

90.93 Standard confirmed

ISO/TMBG more

Explosive atmospheres - Part 36: Non-electrical equipment for explosive atmospheres - Basic method and requirements

60.60 Standard published

TC 31/SC 31M more

Corrigendum 1 - Explosive atmospheres - Part 36: Non-electrical equipment for explosive atmospheres - Basic method and requirements

60.60 Standard published

TC 31/SC 31M more

Explosive atmospheres - Part 37: Non-electrical equipment for explosive atmospheres - Non electrical type of protection constructional safety "c", control of ignition source "b", liquid immersion "k"

60.60 Standard published

TC 31/SC 31M more

Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data

60.60 Standard published

TC 31/SC 31M more