1.1 This specification covers chlorinated poly(vinyl chloride) (CPVC) threaded Schedule 80 pipe fittings. Included are requirements for materials, workmanship, dimensions, and burst pressure. This specification covers material requirements, workmanship, dimensions, and burst pressure for threaded schedule 80 chlorinated poly(vinyl chloride) (CPVC) plastic pipe fittings. Fittings fabricated by backwelding are not included in this specificati