Bend PVC Pipe using the Series 'B' PVC Bendit. It bends PVC Pipe with an inside diameter of 1 1/4 inch to 6 inch PVC pipe. The Series ‘B’ has an outside diameter of 1.06” and fits in 1 -1/4 and larger schedule 40 or 80 PVC pipe. The B Series PVC Bendits come in 3, 6 9 and the new 20 foot lengths. The 20B is used for 20 ft. lengths of pipe. The PVC Bendit is the best tool available for heating PVC pipe so it can be shaped or bent.