What does PVC pipes stand for? PVC stands for polyvinyl chloride, a synthetic resin that is used in pipes and fittings. It is a versatile material that is durable and easy to install. Pipes made from this material are widely used in water supply, plumbing and irrigation. They also are used to connect the ductwork of heating and cooling systems. Source:https://i.pinimg.com What is PVC? PVC...