ДСТУ EN ISO 15995:2022 Баллоны газовые. Технические условия и испытания баллонных клапанов для LPG. Ручные клапаны (EN ISO 15995:2021, IDT; ISO 15995:2021, IDT)

ДСТУ EN ISO 15995:2022
(EN ISO 15995:2021, IDT; ISO 15995:2021, IDT)

Балони газові. Технічні умови та випробування клапанів балонів для LPG. Ручні клапани

 
     
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 Design and specification

4.1 General

4.2 Materials

4.2.1 General

4.2.2 Operating temperatures

4.2.3 Copper alloys

4.2.4 Non-metallic materials

4.3 Essential components

4.3.1 Valve operating mechanism

4.3.2 Valve body

4.3.3 Valve stem

4.3.4 Valve outlet

4.3.5 Excess flow valve

4.4 Optional components

4.4.1 General

4.4.2 Pressure relief valve

4.4.3 Eduction tube

4.4.4 Fixed liquid level gauge

4.4.5 Excess flow valve

4.4.6 Non-return valve

4.4.7 Liquid level indicator

4.4.8 Sealing cap and sealing plug

4.4.9 Sediment tube

4.5 Leak tightness

4.6 Operating torque

4.7 Closing torque

4.8 Opening torque

5 Valve type test

5.1 General

5.2 Test samples

5.3 Test procedure and test requirements

5.4 Inspection

5.5 Hydraulic pressure test

5.5.1 Procedure

5.5.2 Requirement

5.6 External and internal leak tightness tests

5.6.1 Procedure

5.6.2 Requirement

5.7 Valve stem test

5.7.1 Procedure

5.7.2 Requirement

5.8 Hand wheel fire exposure test

5.8.1 Procedure

5.8.2 Requirement

5.9 Impact test

5.9.1 General

5.9.2 Procedure

5.9.3 Requirement

5.10 Excessive closing torque test

5.10.1 Procedure

5.10.2 Requirement

5.11 Excessive opening torque test

5.11.1 Procedure

5.11.2 Requirement

5.12 Endurance test

5.12.1 Procedure

5.12.2 Requirement

5.13 Examination of dismantled valves

5.13.1 Procedure

5.13.2 Requirement

5.14 Excess flow valve test

5.14.1 General

5.14.2 Excess flow valve test with air

5.14.3 Excess flow valve test with water

5.14.4 Excess flow strength test

5.15 Non-return valve test

5.15.1 Procedure

5.15.2 Requirement

5.16 Vibration test

5.16.1 Procedure

5.16.2 Requirement

6 Documentation and test report

6.1 Documentation

6.2 Test report

7 Production testing

8 Markings

Annex A (normative) Special valves

Annex В (normative) Production testing and inspection

Annex C (normative) Special low temperature requirements

Annex D (normative) Vibration testing

Bibliography