Butterfly valve
Videos
A butterfly valve is a valve that isolates or regulates the flow of a fluid. The closing mechanism is a disk that rotates.
Large butterfly valve used on a hydroelectric power station water inlet pipe in Japan.
Duplex valve in wafer butterfly configuration.
Cast iron butterfly valve
Cast iron butterfly valve
Plastic pipework
Videos
Plastic pipe is a tubular section, or hollow cylinder, made of plastic. It is usually, but not necessarily, of circular cross-section, used mainly to convey substances which can flow—liquids and gases
Plastic pipe lengths manufactured in Australia by extruding HDPE material
Polyethylene Piping in Australia, made from HDPE material.
Unplasticized polyvinyl chloride pipe for underground water mains