B137.0-93

1.1 This Standard covers thermoplastic pressure piping and includes abbreviations, definitions, and classifications, general requirements for raw materials, general requirements for pipe and fittings, and the relevant test methods. Note: The terms pipe, piping, tube, and tubing are often used interchangeably. 1.2 This Standard is to be used in conjunction with one of the other Standards in the B137 Series to form a complete Standard for a particular product.