This product specification covers molecularly oriented 4” through 12” diameter Polyvinyl Chloride (PVC) pressure pipe manufactured from starting stock pipe made from class 12454A or 12454B compounds as determined by ASTM Standard DI784. The starting stock materials are then oriented through circumferential expansion to provide a hydrostatic design basis of 7,100 psi. Pipe shall be homogenous throughout. It shall be free from voids, cracks, inclusions and other defects. It shall be as uniform as commercially practical in color, density and other physical properties. Pipe surfaces shall be free from nicks and scratches. Joining surfaces of spigots and joints shall be free from gouges and imperfections that could cause leakage.
