... 5-DIN, BS, ISO 1> Application: The Lug type butterfly valve is produced based on the advanced technology. It is simple ... flow of corrosive or incorrosive gases, liquids, semiliquids and solid powder, and can be installed in pipelines or on vessels in ... , textile, paper making, hydroelectricity engineering, ship building, water supply and sewage smelt, energy engineering as well as light industry, etc ...