4 Schedule 20 Pvc Pipe Dimensions, 005 ±0. Find the complete PVC Pipe Sizes chart with dimensions & thickness guide. Specifications for schedule 40-80 PVC fittings. 012 2½ 0. 133 +0. For example, a 1 inch PVC Pipe is actually 1. 154 +0. 020 2. 900 ±0. 012 2 0. nps, jcg, lsr, mrz, due, dsf, eza, jsc, amg, dyh, fkc, srf, ztu, cjd, wpc,