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AS 3578-1993 Cast iron non-return valves for general purposes

Standard Number:  AS 3578-1993
Title:  Cast iron non-return valves for general purposes
Language:  English
Publication Date:  1993/7/29
Execute Date:  1993/11/15
Revocatory Date:  2007/4/13
Status:  Withdrawn
International Classification for Standards (ICS)FLUID SYSTEMS AND COMPONENTS FOR GENERAL USE>>Valves>>Other valves
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:20P.;A4  

Description:Specifies requirements for valves in the general water industry in both buried and above-ground installations in a nominal size range of DN 50 to DN 600.  
Catalog:Document Contents
AS 3578-1993 CAST IRON NON-RETURN VALVES FOR GENERAL PURPOSES
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.3.1 Non-return valve
1.3.2 Class
1.3.3 Maximum working pressure
1.3.4 Maximum working temperature
1.3.5 Face-to-face dimensions
1.3.6 Nominal size (DN)
1.4 VALVE TYPE
1.5 DESIGNATION OF SIZE
1.6 CLASSIFICATION AND RATING
1.7 TEMPERATURE RATINGS
SECTION 2 MATERIALS AND COMPONENTS
2.1 MATERIALS
2.2 DEZINCIFICATION-RESISTANT MATERIALS
SECTION 3 DESIGN AND MANUFACTURE
3.1 END CONNECTIONS
3.1.1 Flanged ends
3.1.2 Face to face dimensions
3.1.3 Shouldered ends
3.1.4 Grooved ends
3.2 COMPONENT DESIGN
3.2.1 Body and cover
3.2.2 Body end ports
3.2.3 Bore of valve
3.2.4 Body tappings
3.2.5 Body-to-cover connection
3.2.6 Seat closure
3.2.7 Hinge to disc connection
3.2.8 Plugs
3.3 FINISH
3.4 PROTECTIVE COATINGS FOR CLASS 16 VALVES
3.4.1 Bitumen coatings
3.4.2 Standard bitumen coatings
3.4.3 Polymeric coatings
SECTION 4 TESTING
4.1 GENERAL
4.2 TEST PRESSURES
4.3 TEST DURATION
4.4 TYPE OF TEST
4.4.1 ?Closed-end? test (bulkhead testing condition)
4.4.2 ?Open-end? test (free-end testing condition)
4.5 TEST PROCEDURE
4.5.1 General
4.5.2 Body test
4.5.3 Valve seat test
SECTION 5 MARKING
5.1 BODY MARKINGS
5.2 ADDITIONAL INFORMATION
5.2.1 Information to be marked
5.2.2 Valve marking plate detail
APPENDIX A - PURCHASING GUIDELINES
A1 GENERAL
A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
A3 INFORMATION TO BE SUPPLIED BY THE MANUFACTURER
A4 MATTERS FOR AGREEMENT BETWEEN PURCHASER AND THE MANUFACTURER
APPENDIX B - INSTALLATION
B1 INSTALLATION LIMITATIONS
  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  897KB
Tile in English:  Cast iron non-return valves for general purposes

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