Flapcon® CV41 Series Counterweighted Tilting type flanged check valves are predominantly preferred for high permeability lines. It provides an ideal high performance for waste water, clean water processes. etc. Due to the flange connections, they can even be mounted easily. The check valve’s clapper, depending on the flow, move freely and the opening of the clapper coincides with the flow rate.. It is compatible with vertical and horizontal position on the line. It is suitable for use in water treatment applications, water distribution, refined sewage, power plants and industry.