ДСТУ EN IEC 61340-4-4:2022 Электростатика. Часть 4-4. Стандартные методы испытаний для специальных приложений. Электростатическая классификация гибких контейнеров средней грузоподъемности (FIBC) (EN IEC 61340...



ДСТУ EN IEC 61340-4-4:2022
(EN IEC 61340-4-4:2018, IDT; IEC 61340-4-4:2018, IDT)

Електростатика. Частина 4-4. Стандартні методи випробувань для спеціальних
застосувань. Електростатична класифікація гнучких контейнерів середньої 
вантажопідйомності (FIBC)

 

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Classification

4.1 Classification for FIBC

4.2 Principles of classification and requirements for inner liners

4.3 Combination of FIBC and inner liners

5 Safe use of FIBC

6 Labelling

7 Requirements for FIBC

7.1 General remarks

7.2 Requirements for dust environments with ignition energies greater than 3 mJ (apply to Type В FIBC, Type C FIBC and Type D FIBC)

7.3 Requirements for vapour and gas atmospheres and for dust environments with ignition energies of 3 mJ or less

8 Atmosphere for conditioning, calibrating and testing

8.1 Conditioning time

8.2 Electrical breakdown voltage, surface resistivity and resistance to groundable point testing

8.3 Surface resistivity testing

8.4 Ignition testing

9 Test procedures

9.1 Sampling

9.2 Electrical breakdown voltage

9.3 Ignition testing

9.4 Resistance to groundable point

10 Test report

10.1 General

10.2 For ail types of testing

10.3 For electrical breakdown voltage testing

10.4 For ignition testing

10.5 For resistance to groundable point testing

10.6 For surface resistivity testing of inner liners, labels and document pockets

10.7 For test reports issued by accredited testing authorities

Annex A (informative) Electrical breakdown voltage - Typical voltage/time graphs

Annex В (normative) Polypropylene pellets for ignition testing

Annex C (informative) Guidance on test methods for manufacturing quality control

Annex D (normative) Classification of hazardous areas and zones

Annex E (informative) Risks associated with cone discharges

Annex F (informative) Explanation for resistance and resistivity limits, and thickness limits for insulating layers of inner liners

Bibliography