Mechanical plugs for non pressure pipe

Description : mechanical plug coupling and quick release, suitable for placement in confined spaces for temporary obstruction of fluids without pressure or such caps to protect the pipelines in the works; body nylon reinforced with fiberglass (CAM model) or aluminum and steel coated with epoxy (model ALU) with EPDM rubber gasket thick, quick release system using a rope or other means to operate at a safe distance.