This specification defines classification, materials, test requirements, inspection certification, marking and packaging of fittings for use with gasketed mechanical couplings used in piping applications. These fittings are classified into the following design types: Type I and Type II. The design of the fittings may be qualified by mathematical analysis in accordance with piping codes.

1.1 This specification defines classification, materials, test requirements, inspection certification, marking and packaging of fittings for use with gasketed mechanical couplings complying to Specification F1476.