ДСТУ EN 1127-1:2014 Взрывоопасная среда. Предотвращение взрывов и защита от взрывов. Часть 1. Основные концепции и методология (EN 1127-1:2011, IDT)

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

МІНІСТЕРСТВО ЕКОНОМІЧНОГО РОЗВИТКУ І ТОРГІВЛІ УКРАЇНИ

Наказ від 29.12.2014 № 1479

EN 1127-1:2011

Explosive atmospheres - Explosion prevention and protection -
Part 1: Basic concepts and methodology

 прийнято як національний стандарт
методом «підтвердження» за позначенням

ДСТУ EN 1127-1:2014
(EN 1127-1:2011, IDT)

Вибухонебезпечне середовище. Запобігання вибухів і захист від них.
Частина 1. Основні концепції й методологія

З наданням чинності від 2016-01-01

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Risk assessment

4.1 General

4.2 Identification of explosion hazards

4.2.1 General

4.2.2 Combustion properties

4.2.3 Explosion behaviour

4.2.4 Likelihood of occurrence of a hazardous explosive atmosphere

4.3 Identification of ignition hazards

4.3.1 General

4.3.2 Ignition properties

4.3.3 Likelihood of occurrence of effective ignition sources

4.4 Estimation of the possible effects of an explosion

5 Possible ignition sources

5.1 Hot surfaces

5.2 Flames and hot gases (including hot particles)

5.3 Mechanically generated sparks

5.4 Electrical apparatus

5.5 Stray electric currents, cathodic corrosion protection

5.6 Static electricity

5.7 Lightning

5.8 Radio frequency (RF) electromagnetic waves from 10⁴ Hz to 3 х 10¹¹ Hz

5.9 Electromagnetic waves from 3 х 10¹¹ Hz to 3 х 10¹⁵ Hz

5.10 Ionizing radiation

5.11 Ultrasonics

5.12 Adiabatic compression and shock waves

5.13 Exothermic reactions, including self-ignition of dusts

6 Risk reduction

6.1 Fundamental principles

6.2 Avoidance or reduction of the amount of explosive atmosphere

6.2.1 Process parameters

6.2.2 Design and construction of equipment, protective systems and components

6.3 Hazardous areas

6.4 Requirements for the design and construction of equipment, protective systems and components by avoidance of effective ignition sources

6.4.1 General

6.4.2 Hot surfaces

6.4.3 Flames and hot gases

6.4.4 Mechanically generated sparks

6.4.5 Electrical apparatus

6.4.6 Stray electric currents and cathodic corrosion protection

6.4.7 Static electricity

6.4.8 Lightning

6.4.9 Radio frequency (RF) electromagnetic waves from 10⁴ Hz to 3 х 10¹¹ Hz

6.4.10 Electromagnetic waves from 3 х 10¹¹ Hz to 3 х 10¹⁵ Hz

6.4.11 Ionizing radiation

6.4.12 Ultrasonics

6.4.13 Adiabatic compression and shock waves

6.4.14 Exothermic reactions, including self-ignition of dusts

6.5 Requirements for the design and construction of equipment, protective systems and components to reduce the explosion effects

6.6 Provisions for emergency measures

6.7 Principles of measuring and control systems for explosion prevention and protection

7 Information for use

7.1 General

7.2 Information for commissioning, maintenance and repair to prevent explosion

7.3 Qualifications and training

Annex A (informative) Information for the use of tools in potentially explosive atmospheres

Annex B (informative) Tightness of equipment

B.1 General

B.2 Equipment which is durably technically tight

B.3 Technically tight equipment

Annex C (informative) Significant technical changes between this document and the previous edition of this European Standard

Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 94/9 EC

Annex ZB (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC

Bibliography