Historical
IAPMO PS 053-2013
Grooved Mechanical Pipe Couplings and Grooved Fittings
This standard covers grooved mechanical pipe couplings and grooved fittings and gaskets for pressure applications intended for use with copper, ductile iron, cast iron, PVC, steel, and stainless steel pipe and specifies requirements for materials, physical characteristics, performance testing, and markings.
International Association of Plumbing and Mechanical Officials [iapmo]