The Butterfly Valve series EuroflyWafer and Lug have been manufactured to meet the industrial applications of water treatment, fire-fighting and plumbing plants. They can be used for all the applications where fluid regulation is required. The Seat construction is made with a rigid plastic ring covered with thick EPDM or Buna or Viton coating, depending on the media. This system offers a soft and reliable closure, a long cycling life and low torque. Due to the seat geometry it is particularly easy to replace.