ASME A112.4.2 pdf download

ASME A112.4.2 pdf download Personal hygiene devices for water closets
1 Scope
1.1
This Standard covers personal hygiene devices for water closets and specifies requirements for materials,construction, performance, testing, and markings.
1.2
Products covered by this Standard include bidet sprayers and other retrofit personal hygiene devicesintended
(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 provisions of this Standard are not intended to prevent the use of alternative materials or methods ofconstruction, provided such alternatives meet the intent and requirements of this Standard.
1.4
ln this Standard, ” shall is used to express a requirement, i.e., a provision that the user is obliged to satisfyin order to comply with the standard; ” should” is used to express a recommendation or that which isadvised but not required; and “may” is used to express an option or that which is permissible within thelimits of the Standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of anote 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 asrequirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define theirapplication.
1.5
Ssl 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 tobe 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.
2Reference publications
This Standard refers to the following publications, and where such reference is made, it shall be to theedition listed below,including all amendments published thereto.
AsME International/cSA Group
A112.19.2-2013/CSA B45.1-13
A1 1 2.1 9.3-2008/CSA B45.4-08 (R201 3)
Stainless steel plumbing fixtures
ASSE International
1 001 -2008
Performance Requirements for Atmospheric Type Vacuum Breakers
CSA Group
B64 Series-1 1
Backflow preventers and vacuum breakers
B64.1 .1 -1 1
Atmospheric vacuum breakers (AVB)
C22.2 No. 64-1 0
Household cooking and liquid heating appliances
C22.2 No. 68-09 (R201 4)
Motor-operated appliances (household and commercial)
CSA Group/IAPMO (International Association of Plumbing and Mechanical Officials)
CSA B45.5-1 1 /IAPMO Z1 24-201 1
Plastic plumbing fixtures
IAPMO (International Association of Plumbing and Mechanical Officials)
Z1 24.5-201 3
Plastic toilet seats
UL (Underwriters Laboratories)
1 431 -201 1
Personal Hygiene and Health Care Appliances
3 Definitions
The following definitions shall apply in this Standard:
Bidet sprayer — a component of a personal hygiene device intended for genital and perineal cleanliness,and intended for installation in water closets and water closet seats.
Note: In this Standard, bidet sprayers are referred to as “sprayers”.
4 General requirements
4.1 Water closets
Water closets shall comply with ASME A1 1 2.1 9.2/CSA B45.1 , ASME A1 1 2.1 9.3/CSA B45.4, or CSA B45.5/IAPMO Z1 24, as applicable.
4.2 Backflow prevention
4.2.1
Personal hygiene devices intended for connection to the potable water supply shall be equipped with a backflow prevention device.
4.2.2
When used, atmospheric vacuum breakers shall
(a) comply with Clause 5.5.1 ; and
(b) be installed with the
(i) critical level located not less than 25 mm (1 in) above the flood level rim; or
(ii) lowest point located not less than 25 mm (1 in) above the flood level rim, when the critical level is not marked.
4.3 Electrical components
Personal hygiene devices with electrical features or components shall comply with UL 1 431 , CSA C22.2
No. 68, or CSA C22.2 No. 64.
4.4 Plastic toilet seats
Plastic toilet seats shall comply with IAPMO/ANSI Z1 24.5.
4.5 Bidet sprayers
Bidet sprayers shall be
(a) fully retractable and not subject to contamination in the retracted position, (i.e., be completely removed from the liquid and solid waste path);
(b) self-cleaning, (i.e., have a means to rinse the bidet sprayer with water); and
(c) concealed when not in use to prevent soiling by the user.
4.6 Source of water
The water from the water closet tank shall not be used as a source of water for the bidet sprayer.
4.7 Automatic seat cover dispensers
Automatic seat cover dispensers shall be life cycle tested in accordance with Clause 5.6.
4.8 Temperature safety device
Personal hygiene devices shall be equipped with a safety device to shut off the flow of water when the temperature reaches 48 °C (1 1 8°F).