PVC Column Pipe Clause Samples

PVC Column Pipe. Where specified, PVC column pipe shall be constructed to ASTM D1784, ASTM D1785 Schedule 80, and ASTM D2837. Piping shall be of interchangeable sections not over 20 feet in length. The ends of each section shall be of a groove and spline design with PVC couplings. Piping shall be easily adaptable to solvent weld fittings (tees, elbows, flanges, etc). PVC column pipe, couplings, and fittings shall be NSF61 listed. Coupling joints use high strength thermoplastic splines to provide full 360° restraint with evenly distributed loading and shall include elastomeric sealing gaskets for water tight seal. Unless specified otherwise, the column size shall be such that friction loss will not exceed 5' per 100', based on the rated capacity of the pump. Where possible, the column size shall also be such as to provide a velocity of not less than 5' per second at the rated capacity. PVC column pipe and joint couplers shall be Certa-Lok as manufactured by CertainTeed Corporation or approved equal.