ASME A112.4.2 pdf download

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ASME A112.4.2 pdf download

ASME A112.4.2 pdf download.Personal hygiene devices for water closets.
1.2
Products covered by this Standard include bidet sprayers and other retrofit personal hygiene devices
intended
(a) for water closets and water closet seats; and
(b) to be used with hot and cold water or cold water only.
1.3
The provis.ons of this Standard are not intended to prevent the use of alternative materials or methods 01
construction, provided such alternatives meet the intent and requirements of this Standard.
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 may result in non-conformance with this Standard.
All references to gallons are to U.S. gallons.
2 Rcference publications
This Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below, including all amendments published thereto.
ASME lnternatlonal/CSA Group
A112.19.2.2O13ICSA B45.1.13
Ceramic plumbing fixtures
5.4.2 Perforniance requirements
At the end ol the life cycle test, the specimen shall continue to function at the operating pressure as it did before the test. In addition, there shall be no leakage, and the flow from the bidet sprayer shall be as intended by the manufacturer.
5.5 Atmospheric vacuum breaker test
5.5.1 lest procedure
Vacuum breakers shall be tested for back siphonage in accordance with ASSE 1001 orCSA B64.1.1.
5.5.2 Performance requirements
Water in the sight tube shall not rise more than 13 mm (0.5 in).
5.6 Scat cover dispenser test
5.6.1 Test procedure
The seat cover dispenser shall be operated for 5,000 cycles. Each cycle shall consist of dispensing one seat cover.
5.6.2 Performance requirenients
Failure to dispense the seat cover in 100 or more of the 5,000 cycles shall be cause for rejection.
Continuous feed dispensers shall render previously dispensed seat covers unusable.
5.7 BIdet sprayer self-cleaning test
5.7.1 Test procedure
The self-cleaning test shall be conducted as follows:
(a) Operate the bidet sprayer enough cycles to ensure that it is purged of air and filled with water at normal operating pressure and temperature.
(b) Extend the bidet sprayer and dry it thoroughly.
(c) Use a water-soluble marker of a contrasting colour to draw lines on the bidet sprayer as follows:
(i) Draw three rings around the bidet sprayer, one in the upper third of its length, one in the middle third, and one in the lower third.
(ii) Draw a fourth line longitudinall along the top of the bidet sprayer from one end to the other.
(d) Release the bidet sprayer and allow it to retract into its off position.
(e) The bidet sprayer self-cleaning function shall be actuated two times.
(f) Inspect and record any lines remaining.
5.7.2 Performance requirements
All of the tour lines shall be washed off the bidet sprayer. Any ink lines remaining on the bidet sprayer, shall be considered a failure.
6 Markings and packaging
Personal hygiene devices complying with this Standard shall be marked with the manufacturer’s name or trademark and the model number. Alternatively, the model number may be marked on the packaging.
6.2
Markings shall be permanent, legible, and visible after installation.