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ASME A112.18.3
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ASME A112.18.3 2nd Edition, 2008 PERFORMANCE REQUIREMENTS FOR BACKFLOW PROTECTION DEVICES AND SYSTEMS IN PLUMBING FIXTURE FITTINGS
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Description / Abstract:
This Standard addresses functional performance and requires
physical characteristics of devices and systems which provide
backflow protection consistent with the level of risk associated
with the plumbing fixture fitting application. The Standard
establishes specific performance criteria and provides the test
methods to prove compliance. It is applicable to all plumbing
fixture fittings with outlets not protected by an air gap.
PURPOSE
The purpose of this Standard is to establish performance requirements and statistically valid evaluation methods including durability tests for the manufacture of safe, efficient, and reliable backflow protection devices and systems for plumbing fixture fittings. Alternative designs or configurations which comply with the intent of this Standard shall be permitted.
PURPOSE
The purpose of this Standard is to establish performance requirements and statistically valid evaluation methods including durability tests for the manufacture of safe, efficient, and reliable backflow protection devices and systems for plumbing fixture fittings. Alternative designs or configurations which comply with the intent of this Standard shall be permitted.