The DOS-Q series is a weir penstock designed to function reliably under the toughest conditions in an aggressive environment. The weir penstock is produced entirely from stainless steel 316L. Weir penstocks are used for, among other things, influent pump stations on treatment plants. The smooth surfaces guarantee low dirt deposits and easy maintenance. Dimensions outside the standard dimensions are produced on request. According to BS 7775, it is recommended to apply a safety factor of 1.25 to the required torque.