The HÜDIG 87637000 is a genuine cast iron return stop check valve designed for reliable prevention of backflow in sewage, wastewater, and sludge systems containing solids. Featuring a nominal diameter of DN 150 and a nominal pressure rating of PN 10, this robust valve ensures efficient operation. It is constructed from durable cast iron and includes a flange connection compliant with DIN EN 1092-2, PN 10 standards. Weighing 14.0 kg, it is an essential component for maintaining unidirectional flow in demanding industrial and agricultural pumping applications.