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AS 1628-1999
[Current]Water supply — Metallic gate, globe and non-return valves
Specifies requirements for metallic gate, globe and non-return valves of nominal sizes DN 8 to DN 100 for use in hot and cold water applications where the operating temperature does not exceed 99 degrees Celsius.
Published: 05/12/1999
Pages: 21
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.4 DESIGNATION OF SIZE
1.5 MARKING
1.5.1 Marking requirements
1.5.2 Space for mark of certifying body
1.5.3 Components
1.6 ALLOWABLE PRESSURES
2 MATERIALS
2.1 SCOPE OF SECTION
2.2 COPPER
2.3 COPPER ALLOY
2.4 STAINLESS STEEL
2.5 OTHER MATERIALS
2.6 CORROSION-RESISTANT METALLIC MATERIALS
2.7 CONTAMINATION OF WATER
3 DESIGN AND MANUFACTURE
3.1 SCOPE OF SECTION
3.2 END CONNECTORS
3.2.1 Union-end connectors
3.2.2 Compression ends
3.2.3 Capillary ends
3.2.4 Flanged ends
3.2.5 Screwed ends
3.3 INTERCHANGEABILITY OF PARTS
3.4 SCREW THREADS (for factory-assembled components)
3.4.1 General
3.4.2 Fastening pipe threads
3.4.3 Other screw threads
3.4.4 Thread engagement
3.4.4.1 Other screw threads
3.4.4.2 Threaded ends
3.5 THICKNESS OF METAL PARTS
3.6 OPERATING METHODS FOR GATE AND GLOBE VALVES
3.6.1 Operating method
3.6.2 Spline connections
3.7 WATERWAY AND FLOW CAPABILITY
3.7.1 Gate valves
3.8 FLOW-WAY AREA
3.9 FINISH
4 TESTING REQUIREMENTS
4.1 SCOPE OF SECTION
4.2 PRESSURE TESTS
4.3 WATERTIGHTNESS
4.4 STRENGTH OF OPERATING MECHANISM
4.5 STRENGTH OF VALVE ASSEMBLY
4.6 TYPE TESTS
5 GATE AND GLOBE VALVES
5.1 SCOPE OF SECTION
5.2 BODY SEATS
5.3 FACE-TO-FACE DIMENSIONS
5.4 GATES
5.4.1 General
5.4.2 Guides
5.4.3 Wedge-type valves
5.5 STEMS
5.5.1 General
5.5.2 Types of stem
5.6 BONNETS
5.6.1 General
5.6.2 Flange bolting
5.7 GLANDS
5.7.1 General
5.7.2 Packing
6 NON-RETURN VALVES
6.1 SCOPE OF SECTION
6.2 DESIGN
6.3 VALVE BODIES
6.3.1 Body seats
6.3.2 Face-to-face dimensions
6.4 NON-RETURN MECHANISM
6.4.1 General
6.4.2 Swing type
6.4.2.1 Disc
6.4.2.2 Hinge pin
6.4.3 Lift type
6.4.3.1 Piston
6.4.3.2 Disc
6.4.3.3 Ball
6.5 COVERS
APPENDIX A
APPENDIX B
B1 SCOPE
B2 PRINCIPLE
B3 APPARATUS
B3.1 Pressurizing system
B3.2 End connections
B3.3 Pressure gauge
B4 TEST PROCEDURES
B4.1 General
B4.2 Hydrostatic test
B4.3 Pneumatic test
B5 TEST REPORT
APPENDIX C
C1 SCOPE
C2 PRINCIPLE
C3 APPLICATION
C4 APPARATUS
C5 TEST PROCEDURE
C5.1 General
C5.2 Procedure
C6 REPORT
APPENDIX D
D1 SCOPE
D2 PRINCIPLE
D3 APPARATUS
D4 TEST PROCEDURE
D4.1 General
D4.2 Procedure
D5 TEST REPORT
Cited references in this standard
[Superseded]
Copper and copper alloys — Compositions and designations, Part 2: Wrought products
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