ASME B16.44 2012

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ASME B16.44 Manually Operated Metallic Gas Valves for Use in Above Ground Piping Systems up to 5 psi

Published By	Publication Date	Number of Pages
ASME	2012	24

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Description

This Standard applies to new valve construction and covers quarter-turn manually operated metallic valves in sizes NPS 4

PDF Catalog

PDF Pages	PDF Title
5	CONTENTS
6	FOREWORD
7	COMMITTEE ROSTER
8	CORRESPONDENCE WITH THE B16 COMMITTEE
9	1 SCOPE 1.1 General 1.2 Applicability 1.3 Limitations 1.4 Convention 1.5 Quality Systems 1.6 Relevant Units 2 GENERAL CONSTRUCTION AND ASSEMBLY 2.1 General 2.2 End Connections 2.3 Pipe and Tubing Connections 2.3.1 Taper Pipe Threads. 2.3.2 Flare Tubing Connection. 2.4 Operating Head
10	2.5 Operation 2.6 Position Indication 2.7 Tamperproof Features 2.8 Automatic Compensation 3 MATERIALS 3.1 Materials for Valve Bodies, Plugs, Bonnets, Unions, and Other External Parts Excluding Handles 3.2 Lubricants and Sealants Tables Table 1 Flare Fitting Dimensions
11	3.3 Seating and Stem Seal Materials 3.3.1 Elastomer Components — Air Aging. 3.3.1.1 3.3.1.2 3.3.2 Elastomer Components — Swell Test. 3.3.2.1 3.3.2.2 3.3.3 Elastomer Components — Compression Set. 3.3.4 Polytetrafluoroethylene PTFE Materials. 3.4 Temperature Resistance 3.5 Corrosion Resistance 3.5.1 Indoor Atmosphere. 3.5.2 Salt Spray. Table 2 Materials for Valve Bodies, Plugs, Bonnets, Unions, and Other External Parts Excluding Handles
12	4 MARKING 4.1 General 4.2 Name 4.3 Pressure Rating 4.4 Tamperproof 4.5 Date Code 5 DESIGN QUALIFICATIONS 5.1 General 5.2 Gas Tightness 5.2.1 External Leakage Test. 5.2.2 Internal Leakage Test. 5.3 Flow Capacity 5.3.1 General. 5.3.2 Method of Test. 5.4 Strength 5.4.1 Installation Torque. 5.4.2 Method of Test. Table 3 Operating Torque Values
13	5.5 Impact Energy Absorption 5.5.1 Method of Test. Table 4 Minimum Flow Capacity Table 5 Installation Torque Table 6 Impact Load
14	5.6 Bending 5.7 Continued Operation 5.7.1 General. 5.7.2 Method of Test. Figure Fig. 1 Test Device Table 7 Static Load for Bending Test
15	5.8 Temperature Range 5.8.1 Minimum Operating Temperature Test. 5.8.2 Maximum Operating Temperature Test. 5.9 Elevated Temperature Test 6 MANUFACTURING AND PRODUCTION TESTS
17	MANDATORY APPENDIX I REFERENCES
19	NONMANDATORY APPENDIX A QUALITY SYSTEM PROGRAM
22	How can you reach us? ItÅ’s easier than ever!

Additional information

Standard Title	ASME B16.44 Manually Operated Metallic Gas Valves for Use in Above Ground Piping Systems up to 5 psi
Published Code	ASME
Publication Date	2012
Pages Count	24

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ASME B16.44 2012

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