ASTM D2992-12 - Obtaining Hydrostatic or Pressure Design Basis for Fiberglass (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe and Fittings
American Water Works Association
AWWA C900-07 - Polyvinyl Chloride (PVC) Pressure Pipe, and Fabricated Fittings, 4 in. - 12 in. (100 mm - 300 mm), for Water Transmission and Distribution
Other Standards
ASME B16.1-2010 - Gray Iron Pipe Flanges and Flanged Fittings