B137.6-99

1. Scope 1.1 This Standard provides requirements for chlorinated polyvinyl chloride pipe, tubing, and fittings having a standard dimension ratio SDR 11, and Schedules 40 and 80 pipe in sizes where the dimension ratio does not exceed 11, for use in hot- and cold-water pressurized distribution systems at a maximum working pressure and temperature of 690 kPa (100 psi) and 82°C (180°F). 1.2 This Standard includes requirements for materials, quality of work, dimensions and tolerances, hydrostatic sustained pressure strength, thermocycling resistance, solvent cement, joint strength, and methods of marking. 1.3 The values given in SI (metric) units are the standard. The values in parentheses are for information only.