This Conley Schedule 40 Novolac 470 / 790 Vinyl Ester Standard Piping Specifications covers the requirements for machine made reinforced thermosetting resin pipe and fittings, 1″ – 30″, manufactured according to ASTM D2996, the standard specification for filament wound pipe. These specifications shall cover Schedule 40 heavy duty vent header pipe and fittings for use with a broad base of corrosive chemical environments including acids, caustics, various waste solutions, brines.
Both Pipe and Fittings (Tees, Elbows, Laterals, Reducers, and Crosses) shall be manufactured with a double Nexus® synthetic veil reinforced Premium Vinyl Ester resin internal corrosion barrier, an Epoxy filament wound fiberglass reinforced cage, and a standard Nexus® reinforced external corrosion barrier. Pipe and fittings have 25 year guarantee against ultraviolet degradation (fiber blooming). See the Conley Product Data for pressure/temperature ratings and span dimensions of each schedule.
2.1 Raw materials will meet or exceed specifications for Epoxy and Vinyl Ester resin systems and fiberglass materials. 2.2 The resin, reinforcement, pigments, fillers and other materials, when combined as a composite structure shall produce a pipe that shall meet or exceed the requirements of the classification system listed in ASTM D2310.