ASME A112.18.8-2009 (R2014)

This Standard establishes minimum requirements for
materials in the construction of sanitary waste valves
(hereinafter referred to as “the valve”) for use as an
alternate to tubular p-traps, and prescribes minimum
test requirements for the performance of the valve,
together with methods of marking and identification.
This Standard does not define the requirements for products
to be used in urinals or water closets. It is not
intended that products meeting this Standard will be
used in a urinal or water closet.

The provisions of this Standard are not intended to
prevent the use of any alternate material or method of
construction provided any such alternate meets the
intent of this Standard.