{"id":182866,"date":"2024-10-19T11:26:41","date_gmt":"2024-10-19T11:26:41","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asme-a112-18-3-2002-r2017\/"},"modified":"2024-10-25T03:47:59","modified_gmt":"2024-10-25T03:47:59","slug":"asme-a112-18-3-2002-r2017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asme\/asme-a112-18-3-2002-r2017\/","title":{"rendered":"ASME A112.18.3 2002 R2017"},"content":{"rendered":"

This Standard establishs performance requirements and statistically valid evaluation methods including durability tests for the manufacture of safe, efficient, and reliable backflow protection devices and systems for plumbing fixture fittings.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
7<\/td>\nCONTENTS
FIGURES
TABLES
NONMANDATORY APPENDIX <\/td>\n<\/tr>\n
8<\/td>\nFOREWORD <\/td>\n<\/tr>\n
9<\/td>\nCOMMITTEE ROSTER <\/td>\n<\/tr>\n
11<\/td>\nCORRESPONDENCE WITH THE A112 COMMITTEE <\/td>\n<\/tr>\n
13<\/td>\n1 PURPOSE
2 SCOPE
3 REFERENCE STANDARDS
4 DEFINITIONS <\/td>\n<\/tr>\n
14<\/td>\n5 APPLICATION OF BACKFLOW PREVENTION DEVICES
5.1 Minimum Level of Protection
5.2 Application <\/td>\n<\/tr>\n
15<\/td>\n6 GENERAL REQUIREMENTS FOR BACKFLOW PREVENTION DEVICES
6.1 Functional
6.2 Materials
6.3 Environment
6.3.1 Working Pressure.
6.3.2 Working Temperature.
6.4 Reliability
7 EVALUATION OF BACKFLOW PREVENTION DEVICES
7.1 Sample Size
7.2 Test Methodology
7.2.1 Facilities
7.2.2 Protocol
7.3 Conformance
8 FIXTURE FITTINGS WITH INTERNAL DEVICES COMPLYING WITH PARAS. 6 AND 7
8.1 Health and Safety
8.1.1
8.1.2
8.1.3
8.2 Performance Tests
8.2.1 Selection of Test Specimens
1 Acceptance Sampling Plan \u2014 Devices <\/td>\n<\/tr>\n
16<\/td>\n8.2.2 Conformance
9 FIXTURE FITTINGS WITH INTERNAL DEVICES NOT COMPLYING WITH PARA. 7
9.1 Requirements
9.2 Sample Size
1 Test Protocol for Devices <\/td>\n<\/tr>\n
17<\/td>\n9.3 Test Methodology
9.3.1 General
9.3.2 Conformance
9.3.3 Instrumentation
10 TEST METHODS AND PERFORMANCE CRITERIA
11 FUNCTIONAL TEST OF BACKFLOW PREVENTION DEVICES
11.1 Check Valves (New and After Durability Tests)
11.2 Vacuum Breakers, Automatic Diverters, and Vents
2 Acceptance Sampling Plan \u2014 Fittings <\/td>\n<\/tr>\n
18<\/td>\n12 FUNCTIONAL TEST OF BACKFLOW PREVENTION SYSTEMS
12.1 Back Pressure
2 Test Protocol for Fittings Without Approved Components <\/td>\n<\/tr>\n
19<\/td>\n12.2 Back Siphonage
13 INDEPENDENCE OF DEVICES
3 Functional Performance for Check Valves
4 Functional Performance for Vacuum Breakers, Diverters, and Vents to Air <\/td>\n<\/tr>\n
20<\/td>\n14 LEAKAGE OF PROTECTION SYSTEMS WITH ATMOSPHERIC VENTS
15 DURABILITY TESTS
15.1 Aging and Corrosion
15.2 Mechanical Wear and Mineral Deposits
5 Functional Performance of Backflow Prevention Systems With Regard to Back Pressure Backflow <\/td>\n<\/tr>\n
21<\/td>\n6 Functional Performance of Backflow Prevention Systems With Regard to Back Siphonage (Hose Connected Movable Outlet Faucets)
3 Formulation for ASME A112.18.3 Water <\/td>\n<\/tr>\n
22<\/td>\n15.3 Inspection and Evaluation
16 VERIFICATION OF CRITICAL LEVEL [HOSE CONNECTED MOVABLE OUTLET FAUCETS WITH ATMOSPHERIC VENTS, PARAS. 8.1.1(B), (C), AND (D)]
7 Schematic Drawing of Test Facility <\/td>\n<\/tr>\n
23<\/td>\n8 Verification of the Critical Level (Hose Connected Outlet Faucets With Atmospheric Vents) <\/td>\n<\/tr>\n
25<\/td>\nA RATIONALE FOR SAMPLING SCHEME AND STATISTICAL PROCEDURES <\/td>\n<\/tr>\n
26<\/td>\nSAMPLE CALCULATION
ALTERNATIVE SOLUTION USING CLOPPER-PEARSON NOMOGRAPH (REFERENCE [4])
NOTES APPLICABLE TO SPECIFIC PARAGRAPHS OF ASME A112.18.3-2002 <\/td>\n<\/tr>\n
28<\/td>\nREFERENCES <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

ASME A112.18.3 Performance Requirements for Backflow Devices and Systems in Plumbing Fixture Fittings<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASME<\/b><\/a><\/td>\n2002<\/td>\n32<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":182870,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2643],"product_tag":[],"class_list":{"0":"post-182866","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-asme","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/182866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/182870"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=182866"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=182866"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=182866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}