PVC Flexible Pipe Flexible PVC Pipe is designed for use with risers or swing risers. The construction of VarTek’s Flexible PVC Pipe is comprised of a flexible PVC component and a rigid PVC component which makes handing easier in warm or cold climates. The rigid reinforcement allows the pipe to make tight bends without kinking or breaking. When properly installed, the product is nearly indestructible. Vartek’s Flexible PVC Pipe can be readily assembled with standard schedule 40 PVC fittings using flexible PVC glues.