ASME A112.19.14:2001 pdf free download Six-Liter Water Closets Equipped With a Dual Flushing Device
1GENERAL
1.1 Scope
This Standard establishes physical, material, testing,and marking requirements for 6-L water closets thatincorporate a water-conserving, dual-flushing featureinto the fixture. The tests specified in this Standard arefor the removal of liquid wastes and toilet tissue orother comparable waste loads that are expected whenactuating the reduced flush feature of the unit.
The use of alternate materials or methods is permitted,provided that the proposed material and method com-ply with the performance requirements and the intentof this Standard.
1.2 Units of Measurement
Values are stated in U.s. Customary units and theInternational System of Units (SI).The U.S. Customaryunits shall be considered as the standard.
1.3 Reference Standards
The following documents form a part of this Standardto the extent specified herein (the latest issue shallapply):
ASME A112.19.2/ CSA B45.1,Ceramic PlumbingFixtures
Publisher: The American Society of Mechanical
Engineers (ASME),Two Park Avenue, New York, 1NY 10016-5990; Order Department: 22 Law Drive, P.O.
Box 2900,Fairfield,NJ 07007-2900 (www.asme.org)CSA B45.5/IAPMO Z124, Plastic Plumbing FixturesPublisher: International Association of Plumbing andMechanical Officials (IAPMO), 5001 East PhiladelphiaStreet, Ontario, CA 91761 (www.iapmo.org)
1.4Definitions
dual flush: a feature that allows the user to flush thewater closet with either a reduced or full volume ofwater depending upon bowl contents.
low-consumption zoater closet: a water closet having anaverage water consumption (total flush volume) lessthan or equal to 1.6 gal (6 L) over the range of testpressures as specified in ASME A112.19.2/CSA B45.1for each water closet type, and not exceeding 2 gal(7.6L)at any one test pressure (based upon average valuesfrom the three-run test).
REQUIREMENTS2.1 Operation
The dual flush mechanism shall function by actuationand release of the selector control, switch, or handle andshall complete its cycle without requiring further actionor holding by the user.
2.2 Water Closets
Water closets equipped with dual flush features shallconform to the requirements of ASME A112.19.2/CSA B45.1 or CSA B45.5/IAPMO Z124.
3TESTING
3.1 Full Flush Mode
Water closets equipped with dual flush features shallmeet all the requirements of ASME A112.19.2/CSA B45.1 for low consumption water closets when thefull flush volume is activated.
3.2 Reduced Flush Mode
3.2.1 Trap Seal Restoration Test.The water closetas tested in paras.3.2.2 through 3.2.4 shall also meet theperformance requirements of para. 7.3 of ASMEA112.19.2/CSA B45.1.
3.2.2 Reduced Flush Volume Test.The reduced flushvolume shall not exceed 1.1 gal (4.1 L) per flush whentested in accordance with para.7.4 of ASME A112.19.2/CSA B45.1.This testing shall be conducted before thedurability testing in para.3.2.5.The same testing shallbe conducted after the durability testing in para.3.2.5and the reduced volume shall not vary more than0.11 gal(0.41 L).
3.2.3 Dye Test
3.2.3.1 Test Method
(a) 0.18 oz (5 g) of methylene blue powder shall beadded to 0.26 gal (1 L) of water and mixed thoroughlyin a clean container.
(b)The water closet under test shall be flushed onceand allowed to complete its filling cycle.One fluid ounce
ASME A112.19.14:2001 pdf free download
