Zoloto Cast Iron Dual Plate Check Valve. Wafer type design, thus taking lesser space then the conventional check valve. Being light in weight, is more rigid than the standard swing type check valve which Otherwise needs expensive foundation & special support.Being cylindrical in body, stresses are uniformly distributed. Can be installed in Vertical or Horizontal pipe lines.Low wear and tear of seat surface.Much longer seat life because of Bronze / S.S to rubber Contact .End connections are designed to suit flanges drilled to ANSI B Class-125/Class/150 Size Range From : 1/2” (15mm) to 16” (400mm)