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ASME A112.18.3 02:2002 Edition

ASME A112.18.3 02:2002 Edition

$98.04

ASME A112.18.3 Performance Requirements for Backflow Protection Devices and Systems in Plumbing Fixture Fittings

Published By Publication Date Number of Pages
ASME 2002 30
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PDF Catalog

PDF Pages PDF Title
6 CONTENTS
CONTENTS
FIGURES
FIGURES
TABLES
TABLES
7 FOREWORD
FOREWORD
8 COMMITTEE ROSTER
COMMITTEE ROSTER
10 CORRESPONDENCE WITH THE A112 COMMITTEE
CORRESPONDENCE WITH THE A112 COMMITTEE
12 1 PURPOSE
1 PURPOSE
2 SCOPE
2 SCOPE
3 REFERENCE STANDARDS
3 REFERENCE STANDARDS
4 DEFINITIONS
4 DEFINITIONS
13 5 APPLICATION OF BACKFLOW PREVENTION DEVICES
5 APPLICATION OF BACKFLOW PREVENTION DEVICES
5.1 Minimum Level of Protection
5.1 Minimum Level of Protection
5.2 Application
5.2 Application
14 6 GENERAL REQUIREMENTS FOR BACKFLOW PREVENTION DEVICES
6 GENERAL REQUIREMENTS FOR BACKFLOW PREVENTION DEVICES
6.1 Functional
6.1 Functional
6.2 Materials
6.2 Materials
6.3 Environment
6.3 Environment
6.3.1 Working Pressure.
6.3.1 Working Pressure.
6.3.2 Working Temperature.
6.3.2 Working Temperature.
6.4 Reliability
6.4 Reliability
7 EVALUATION OF BACKFLOW PREVENTION DEVICES
7 EVALUATION OF BACKFLOW PREVENTION DEVICES
7.1 Sample Size
7.1 Sample Size
7.2 Test Methodology
7.2 Test Methodology
7.2.1 Facilities
7.2.1 Facilities
7.2.2 Protocol
7.2.2 Protocol
7.3 Conformance
7.3 Conformance
8 FIXTURE FITTINGS WITH INTERNAL DEVICES COMPLYING WITH PARAS. 6 AND 7
8 FIXTURE FITTINGS WITH INTERNAL DEVICES COMPLYING WITH PARAS. 6 AND 7
8.1 Health and Safety
8.1 Health and Safety
8.1.1
8.1.1
8.1.2
8.1.2
8.1.3
8.1.3
8.2 Performance Tests
8.2 Performance Tests
8.2.1 Selection of Test Specimens
8.2.1 Selection of Test Specimens
1 Acceptance Sampling Plan — Devices
1 Acceptance Sampling Plan — Devices
15 8.2.2 Conformance
8.2.2 Conformance
9 FIXTURE FITTINGS WITH INTERNAL DEVICES NOT COMPLYING WITH PARA. 7
9 FIXTURE FITTINGS WITH INTERNAL DEVICES NOT COMPLYING WITH PARA. 7
9.1 Requirements
9.1 Requirements
9.2 Sample Size
9.2 Sample Size
1 Test Protocol for Devices
1 Test Protocol for Devices
16 9.3 Test Methodology
9.3 Test Methodology
9.3.1 General
9.3.1 General
9.3.2 Conformance
9.3.2 Conformance
9.3.3 Instrumentation
9.3.3 Instrumentation
10 TEST METHODS AND PERFORMANCE CRITERIA
10 TEST METHODS AND PERFORMANCE CRITERIA
11 FUNCTIONAL TEST OF BACKFLOW PREVENTION DEVICES
11 FUNCTIONAL TEST OF BACKFLOW PREVENTION DEVICES
11.1 Check Valves (New and After Durability Tests)
11.1 Check Valves (New and After Durability Tests)
11.2 Vacuum Breakers, Automatic Diverters, and Vents
11.2 Vacuum Breakers, Automatic Diverters, and Vents
2 Acceptance Sampling Plan — Fittings
2 Acceptance Sampling Plan — Fittings
17 12 FUNCTIONAL TEST OF BACKFLOW PREVENTION SYSTEMS
12 FUNCTIONAL TEST OF BACKFLOW PREVENTION SYSTEMS
12.1 Back Pressure
12.1 Back Pressure
2 Test Protocol for Fittings Without Approved Components
2 Test Protocol for Fittings Without Approved Components
18 12.2 Back Siphonage
12.2 Back Siphonage
13 INDEPENDENCE OF DEVICES
13 INDEPENDENCE OF DEVICES
3 Functional Performance for Check Valves
3 Functional Performance for Check Valves
4 Functional Performance for Vacuum Breakers, Diverters, and Vents to Air
4 Functional Performance for Vacuum Breakers, Diverters, and Vents to Air
19 14 LEAKAGE OF PROTECTION SYSTEMS WITH ATMOSPHERIC VENTS
14 LEAKAGE OF PROTECTION SYSTEMS WITH ATMOSPHERIC VENTS
15 DURABILITY TESTS
15 DURABILITY TESTS
15.1 Aging and Corrosion
15.1 Aging and Corrosion
15.2 Mechanical Wear and Mineral Deposits
15.2 Mechanical Wear and Mineral Deposits
5 Functional Performance of Backflow Prevention Systems With Regard to Back Pressure Backflow
5 Functional Performance of Backflow Prevention Systems With Regard to Back Pressure Backflow
20 6 Functional Performance of Backflow Prevention Systems With Regard to Back Siphonage (Hose Connected Movable Outlet Faucets)
6 Functional Performance of Backflow Prevention Systems With Regard to Back Siphonage (Hose Connected Movable Outlet Faucets)
3 Formulation for ASME A112.18.3 Water
3 Formulation for ASME A112.18.3 Water
21 15.3 Inspection and Evaluation
15.3 Inspection and Evaluation
16 VERIFICATION OF CRITICAL LEVEL [HOSE CONNECTED MOVABLE OUTLET FAUCETS WITH ATMOSPHERIC VENTS, PARAS. 8.1.1(B), (C), AND (D)]
16 VERIFICATION OF CRITICAL LEVEL [HOSE CONNECTED MOVABLE OUTLET FAUCETS WITH ATMOSPHERIC VENTS, PARAS. 8.1.1(B), (C), AND (D)]
7 Schematic Drawing of Test Facility
7 Schematic Drawing of Test Facility
22 8 Verification of the Critical Level (Hose Connected Outlet Faucets With Atmospheric Vents)
8 Verification of the Critical Level (Hose Connected Outlet Faucets With Atmospheric Vents)
24 NONMANDATORY APPENDIX
NONMANDATORY APPENDIX
A RATIONALE FOR SAMPLING SCHEME AND STATISTICAL PROCEDURES
A RATIONALE FOR SAMPLING SCHEME AND STATISTICAL PROCEDURES
25 SAMPLE CALCULATION
SAMPLE CALCULATION
ALTERNATIVE SOLUTION USING CLOPPER-PEARSON NOMOGRAPH (REFERENCE [4])
ALTERNATIVE SOLUTION USING CLOPPER-PEARSON NOMOGRAPH (REFERENCE [4])
NOTES APPLICABLE TO SPECIFIC PARAGRAPHS OF ASME A112.18.3-2002
NOTES APPLICABLE TO SPECIFIC PARAGRAPHS OF ASME A112.18.3-2002
27 REFERENCES
REFERENCES

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