IAPMO PS 067-2019 Early‐Closure Replacement Flappers or Early‐Replacement Flapper with Mechanical Assemblies

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Early‐Closure Replacement Flappers or Early‐Replacement Flapper with Mechanical Assemblies

1 Scope
1.1 General
1.1.1
This standard covers early‐closure replacement flappers or early‐closure replacement flapper with mechanical assemblies and specifies requirements for materials, physical characteristics, performance testing, and markings.
1.1.2
The standard covers physical and sanitary performance requirements, and test methods pertaining to early‐closure replacement flappers or early‐closure replacement flappers with mechanical assemblies for 13.2 L (3.5 gal) and larger water closet, which are installed within water closet tanks.
NOTE: This standard does not cover dual‐flush assemblies.