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ASME A112.1002 2020

$98.04

ASME A112.1002/CSA B125.12 – 2020: Anti-Siphon Fill Valves for Water Closet Tanks

Published By Publication Date Number of Pages
ASME 2020 38
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This Standard covers plumbing waste fittings of sizes NPS-2 and smaller. This Standard does not cover (a) plumbing supply fittings, which are covered by ASME A112.18.1/CSA B125.1; (b) other devices (e.g., temperature-actuated in-line mixing valves), which are covered by CSA B125.3 or other plumbing product standards; and (c) flexible water connectors under continuous pressure, which are covered by ASME A112.18.6/CSA B125.6. This Standard does not cover pipes and tubes or pipe and tube fittings that are downstream of the trap. A112.18.2 is to be used in conjunction with components described in other volumes of the ASME A112 series. Careful application of these A112 standards will help users to comply with pertinent regulations—including those derived from the Uniform Plumbing Code (UPC) and the International Plumbing Code (IPC)—while achieving the operational and safety benefits to be gained from the many industry best-practices detailed within these volumes. Intended for manufacturers of plumbing materials and equipment to enhance water conservation and comply with jurisdictional regulation, plus governmental and other regulatory bodies.

PDF Catalog

PDF Pages PDF Title
1 ASSE 1002-2020/ASME A112.1002-2020/CSA B125.12:20, Anti-siphon fill valves for water closet tanks
3 Standards Update Service
10 ASME A112 Standards Committee on Plumbing Materials and Equipment
14 ASSE Product Standards Committee
16 CSA Technical Committee on Plumbing Fittings
22 Preface
25 Section I
1 Scope
26 Section II
2 Reference publications and definitions
2.1 Reference publications
2.2 Definitions
2.3 Abbreviations
Section III
3 Design and general requirements
3.1 Pressure
27 3.2 Temperature
3.3 Bowl refill tube
3.3.1 Installed position
3.3.2 Retrofit devices only
3.4 Backflow prevention
3.5 Dimensional criteria for fill valve components — End connections
3.6 Seating members
3.7 Materials
28 3.8 Servicing
3.9 Pressure-relief devices
Section IV
4 Performance requirements and test methods
4.1 General
4.2 Preconditioning and test conditions
4.2.1 Preconditioning
4.2.2 Test conditions
4.3 Test specimen installation
4.4 Pressure and temperature tests
4.4.1 Pressure and temperature cycling test
29 4.4.2 Static and dynamic seals, working pressure test
4.5 Life cycle test
4.5.1 Purpose
30 4.5.2 Test conditions
4.5.3 Procedure
4.5.4 Performance criteria
4.6 Critical level and backflow prevention tests
4.6.1 Purpose
4.6.2 Procedure
32 4.6.3 Performance criteria
4.7 Flow rate test — Retrofit devices only
4.7.1 Purpose
4.7.2 Procedure
33 4.7.3 Performance criteria
4.8 Refill rate test — Retrofit devices only
4.8.1 Purpose
4.8.2 Procedure
4.8.3 Performance criteria
4.9 Thread torque strength test
4.9.1 Purpose
4.9.2 Procedure
4.9.3 Performance criteria
34 4.10 Hydrostatic pressure test
4.10.1 Purpose
4.10.2 Procedure
4.10.3 Performance criteria
Section V
5 Markings, packaging, and installation instructions and included literature
5.1 Markings
5.1.1 General
5.1.2 Visibility of markings
5.2 Installation and maintenance instructions — Retrofit devices only
5.2.1 Instructions
5.2.2 Packaging
35 Figures
Figure 1 Shank, locknut, and coupling nut dimensions
36 Figure 2 Anti-siphon fill valve test assembly
37 Figure 3 Location of critical level for anti-siphon fill valves
ASME A112.1002 2020
$98.04