1.1 This specification covers polybutylene (PB) pipe that is outside diameter controlled, made in standard thermoplastic pipe dimension ratios, and pressure rated for water (see Appendix). Included are criteria for classifying PB plastic pipe materials and PB plastic pipe, a system of nomenclature for PB plastic pipe, and requirements and methods of test for materials, workmanship, dimensions, sustained pressure, and burst pressure. Methods of marking are also given.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 The following safety hazards caveat pertains only to the test methods portion, Section 7, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.