| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 6<\/td>\n | CONTENTS CONTENTS FIGURES FIGURES TABLES TABLES <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | FOREWORD FOREWORD <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | COMMITTEE ROSTER COMMITTEE ROSTER <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | CORRESPONDENCE WITH THE A112 COMMITTEE CORRESPONDENCE WITH THE A112 COMMITTEE <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 1 PURPOSE 1 PURPOSE 2 SCOPE 2 SCOPE 3 REFERENCE STANDARDS 3 REFERENCE STANDARDS 4 DEFINITIONS 4 DEFINITIONS <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 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 \u2014 Devices 1 Acceptance Sampling Plan \u2014 Devices <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 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 \u2014 Fittings 2 Acceptance Sampling Plan \u2014 Fittings <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 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) <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | NONMANDATORY APPENDIX NONMANDATORY APPENDIX A RATIONALE FOR SAMPLING SCHEME AND STATISTICAL PROCEDURES A RATIONALE FOR SAMPLING SCHEME AND STATISTICAL PROCEDURES <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | REFERENCES REFERENCES <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" ASME A112.18.3 Performance Requirements for Backflow Protection Devices and Systems in Plumbing Fixture Fittings <\/b><\/p>\n |