The Polyurethane Disc Plug Mandrel from SPM Equipment is a high-quality solution for expanding and sealing pipes, tubes, and other cylindrical objects. The mandrel is designed to be used with hydraulic or pneumatic power and is ideal for use in applications such as oil and gas pipelines, water pipelines, and chemical processing plants. The mandrel is equipped with polyurethane discs, which provide a tight and secure seal to prevent leaks and maintain pressure.