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BS ISO 4437-4 : 2015

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BS ISO 4437-4 : 2015

PLASTICS PIPING SYSTEMS FOR THE SUPPLY OF GASEOUS FUELS - POLYETHYLENE (PE) - PART 4: VALVES

British Standards Institution

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Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms, definitions, symbols, and abbreviations<br>4 Material<br>5 General characteristics<br>6 Geometrical characteristics<br>7 Mechanical characteristics of assembled valves<br>8 Physical characteristics<br>9 Performance requirements<br>10 Marking<br>11 Delivery conditions<br>Annex A (normative) - Determination of the leaktightness<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of seat and packing<br>Annex B (normative) - Test method for leaktightness<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and ease of operation after tensile loading<br>Bibliography

Abstract

Defines the characteristics of valves made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.

General Product Information

Document Type Standard
Status Current
Publisher British Standards Institution
Committee PRI/88/2
Supersedes
  • 13/30278124 DC : 0