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AS 2638.1-2002

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Gate valves for waterworks purposes Metal seated
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

16-08-2017

Language(s)

English

Published date

01-01-2002

Publisher

Standards Australia

Preview

1 - AS 2638.1-2002 GATE VALVES FOR WATERWORKS PURPOSES - METAL SEATED
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 REFERENCED DOCUMENTS
6 - 1.3 DEFINITIONS
6 - 1.3.1 Allowable operating pressure
6 - 1.3.2 Allowable test pressure
6 - 1.3.3 Bulkhead test
6 - 1.3.4 Class
7 - 1.3.5 Coating
7 - 1.3.6 Coating defect
7 - 1.3.7 Distortion
7 - 1.3.8 DN (nominal size)
7 - 1.3.9 Effective length
7 - 1.3.10 Face to face dimensions
7 - 1.3.11 Free end test
7 - 1.3.12 Maximum allowable gearbox input torque
7 - 1.3.13 Maximum allowable operating pressure
7 - 1.3.14 Maximum functional test torque
7 - 1.3.15 Maximum operator input torque
7 - 1.3.16 Maximum possible input torque
7 - 1.3.17 Maximum operating temperature
7 - 1.3.18 Minimum strength test torque
7 - 1.3.19 Non-rising spindle design
8 - 1.3.20 Rising spindle design
8 - 1.3.21 Type test
8 - 1.4 DESIGNATION OF SIZE
8 - 1.5 ALLOWABLE PRESSURES
9 - SECTION 2 MATERIALS AND COMPONENTS
9 - 2.1 MATERIALS
9 - 2.2 DEZINCIFICATION-RESISTANT MATERIALS
9 - 2.3 CONTAMINATION OF WATER
9 - 2.4 O-RINGS (ELASTOMERIC TOROIDAL SEALING RINGS)
11 - SECTION 3 DESIGN
11 - 3.1 GENERAL
11 - 3.2 DIMENSIONS
11 - 3.3 END CONNECTIONS
11 - 3.3.1 General
11 - 3.3.2 Flanged ends
11 - 3.3.3 Socket ends
11 - 3.3.4 Spigot ends
11 - 3.3.5 Shouldered or grooved ends
11 - 3.4 GATE
11 - 3.4.1 Gate guides
12 - 3.4.2 Gate travel
12 - 3.5 COMPONENT JOINTING
12 - 3.5.1 Connections
12 - 3.5.2 Fasteners
12 - 3.6 WATERWAY
12 - 3.6.1 Waterway
12 - 3.6.2 Metal rings
12 - 3.7 SPINDLE
12 - 3.7.1 Spindle diameter
12 - 3.7.2 Spindle thread
12 - 3.7.3 Spindle sealing
13 - 3.7.4 Thrust collar
13 - 3.7.5 Spindle seal retainer
13 - 3.8 OPERATION
13 - 3.8.1 General
13 - 3.8.2 Spindle cap and key
13 - 3.8.3 Extension Spindle
13 - 3.8.4 Handwheels
13 - 3.8.5 Direction of closure
13 - 3.9 LIFTING DEVICES
13 - 3.10 SUPPORT FEET
18 - SECTION 4 COATINGS
18 - 4.1 GENERAL
18 - 4.2 DESIGN
19 - SECTION 5 TESTING
19 - 5.1 TYPE TESTS
19 - 5.1.1 General
19 - 5.1.2 Strength test (spindle, nut and cap) (Test A)
19 - 5.1.3 Body pressure test (Test B)
19 - 5.1.4 Gate strength test (Test C)
19 - 5.1.5 Torque test (Test D)
20 - 5.1.6 Valve seat test (Test E)
20 - 5.1.7 Sensitivity test (Test F)
20 - 5.1.8 Functional test (Test G)
20 - 5.1.9 Spindle seal replacement or repair test (Test H)
21 - 5.1.10 Final inspection
21 - 5.1.11 Strength test (valve key) (Test 1)
21 - 5.1.12 Strength test (spindle extension) (Test J)
21 - 5.2 PRODUCTION TESTS
21 - 5.2.1 General
21 - 5.2.2 Body test (Test 1)
21 - 5.2.3 Valve seat test (Test 2)
22 - 5.2.4 Coating tests
23 - SECTION 6 GEARBOXES
23 - 6.1 DESIGN
23 - 6.1.1 Gearbox
23 - 6.1.2 Gearbox selection
23 - 6.1.3 Geared valves
23 - 6.2 COATINGS
23 - 6.3 MARKINGS
24 - SECTION 7 MARKING AND PACKAGING
24 - 7.1 BODY MARKINGS
24 - 7.2 VALVE KEY AND SPINDLE EXTENSION MARKINGS
24 - 7.3 DIRECTION OF CLOSURE FOR HANDWHEELS AND CAPS
24 - 7.4 PACKAGING
25 - APPENDIX A - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
25 - A1 SCOPE
25 - A2 RELEVANCE
25 - A3 PRODUCT CERTIFICATION
25 - A4 TESTING
25 - A4.1 General
25 - A4.2 Retesting
26 - A4.3 Valve batch
26 - A4.4 Production batch
26 - A4.5 Lot
26 - A4.6 Sample
26 - A4.7 Sampling plan
26 - A4.8 Batch release test (BRT)
26 - A4.9 Type testing (TT)
29 - APPENDIX B - PURCHASING GUIDELINES
29 - B1 GENERAL
29 - B2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
31 - B3 INFORMATION TO BE SUPPLIED BY THE MANUFACTURER
31 - B4 MATTERS FOR AGREEMENT BETWEEN THE PURCHASER AND THE MANUFACTURER
32 - APPENDIX C - REFERENCED DOCUMENTS
34 - APPENDIX D - ALTERNATIVE MATERIAL REQUIREMENTS
35 - APPENDIX E - GUIDELINES FOR GEARBOX SELECTION AND APPLICATION
35 - E1 GENERAL
35 - E2 INFORMATION REQUIRED FOR GEARBOX SELECTION
35 - E3 TORQUE REQUIREMENTS OF A VALVE
35 - E3.1 General
36 - E3.2 Cracking torque
36 - E3.3 Running torque
36 - E4 STANDARD GEARBOX RATIOS
36 - E5 GEARBOX RATIO SELECTION
37 - E6 FINAL CHECK

This Standard specifies requirements for Class 16 and Class 35 solid gate metal-bodied and metal-seated gate valves for waterworks purposes, with a maximum operating temperature of 40 degrees Celsius.

This Standard specifies requirements for Class 16 and Class 35 solid gate metal-bodied metal-seated gate valves for waterworks purposes, with a maximum operating temperature of 40°C. This Standard is applicable to the following versions (a) Valves of nominal sizes DN 80 to DN 900 with inside screw and non-rising spindle design, operated by a removable key, with or without a gearbox, for buried applications.(b) Valves of nominal size DN 80 to DN 900 with inside screw and non-rising spindle design, operated by a handwheel, with or without a gearbox, for above-ground applications.(c) Valves of nominal size DN 80 to DN 300 with outside screw and rising spindle design, operated by a handwheel, for above-ground applications where the position of the gate is required to be visible.The design criteria of the valve and fasteners should be based on a minimum life expectancy of 50 years.Means for demonstrating compliance with this Standard are given in Appendix ANOTE: Purchasing guidelines are given in Appendix B.

Committee
WS-022
DocumentType
Standard
ISBN
0 7337 4791 4
Pages
32
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

First published as AS 2638-1983.Revised and redesignated as Int 88006-1988.Int 88006-1988 withdrawn 1988.AS 2638-1983 revised 1988.Third edition 1991.AS 2638-1991 revised and redesignated in part as AS 2638.1-1999.Second edition 2002. First published as AS 2638-1983. Revised and redesignated as Int 88006-1988. Int 88006-1988 withdrawn 1988. AS 2638-1983 revised 1988. Third edition 1991. AS 2638-1991 revised and redesignated in part as AS 2638.1-1999. Second edition 2002.

AS 1111.1-2000 ISO metric hexagon bolts and screws - Product grade C - Bolts
AS 1646.2-2000 Elastomeric seals for waterworks purposes Material requirements for pipe joint seals used in water and wastewater applications - Specifies by prescription formulation
AS/NZS 4158:1996 Thermal-bonded polymeric coatings on valves and fittings for water industry purposes
AS 1111.2-2000 ISO metric hexagon bolts and screws - Product grade C - Screws
AS 2345-1992 Dezincification resistance of copper alloys
AS 1199-1988 Sampling procedures and tables for inspection by attributes
AS 4087-1996 Metallic flanges for waterworks purposes
HB 18.28-1991 Guidelines for third-party certification and accreditation - Guide 28: General rules for a model third-party certification system for products
AS 1646.1-2000 Elastomeric seals for waterworks purposes - General requirements
AS/NZS 2280:1999 Ductile iron pressure pipes and fittings
AS/NZS 4020:1999 Products for use in contact with drinking water
AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
AS 1646.3-2000 Elastomeric seals for waterworks purposes - Material requirements for pipe joints seals used in water and wastewater applications with the exception of natural rubber and polyisoprene compounds
AS B202-1962 General purpose Acme screw threads
AS 2938-1993 Gears - Spur and helical - Guide to specification and rating
AS 3894.1-2002 Site testing of protective coatings Non-conductive coatings - Continuity testing - High voltage (brush) method (Reconfirmed 2013)
AS 1565-1996 Copper and copper alloys - Ingots and castings (Reconfirmed 2020)
AS 2317-1998 Collared eyebolts
AS 1831-2002 Ductile cast iron
AS/NZS 1252:1996 High-strength steel bolts with associated nuts and washers for structural engineering

AS 5200.000-2006 Technical specification for plumbing and drainage products Procedures for certification of plumbing and drainage products (Reconfirmed 2018)
AS/NZS 3500.3:2003 Plumbing and drainage Stormwater drainage
AS 5200.000-2005 Technical specification for plumbing and drainage products Procedures for certification of plumbing and drainage products
AS 2419.1-2005 Fire hydrant installations System design, installation and commissioning

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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