Spears P706X-030C Hub 260 PSI CPVC Schedule 40 P-Trap, General Specifications for Standard Fabricated Fittings for additional information. All specified Schedule 40 products are manufactured from materials certified by NSF for use in potable water service. 。 。 。, IAPMO IGC 210 and ICC-ES PMG-1018 。 Schedule 40 。 Corrosion Resistant CPVC 。 Molded Schedule 40 products are manufactured to ASTM D 24 for use with pipe manufactured to ASTM D 785. Certain products carry reduced pressure handling capability and have maximum internal pressure ratings at 7 degrees Fahrenheit noted. Fabricated Schedule 40 pressure fittings (part numbers ending with "F") are manufactured to specifications for use with pipe manufactured to ASTM D 785. See publication FAB-7, 3" - -. NSF CW Certified for Corrosive Waste, 3' - -. Spears P706X-030C Hub 260 PSI CPVC Schedule 40 P-Trap.