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ASSE 1002-2020/ASME A112.1002-2020/CSA B125.12:20
This is the second edition of ASSE 1002/ASME A112.1002/CSA B125.12, Anti-siphon fill valves for water closet tanks. It supersedes the previous edition published in 2015.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
This Standard was approved as an American National Standard by the American National Standards Institute on April 14, 2020.
This Standard covers anti-siphon fill valves intended to be installed in water closet tanks.
Note: In this Standard, anti-siphon fill valves are also referred to as devices.
In this Standard, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the limits of the standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
SI units are the units of record in Canada. In this Standard the inch/pound units are shown in parentheses.
The values stated in each measurement system are equivalent in application; however, each system is to be used independently. Combining values from the two measurement systems can result in nonconformance with this Standard.
All references to gallons are to U.S. gallons.