Flanged Resilient swing check valve is used for pure pipelines and industrial, environmental, water treatment, high-rise building water supply and drainage pipelines to prevent reverse flow of media. The check valve adopts a clip type, the butterfly plate has two semicircles, and the spring is forcibly reset, the valve body sealing surface and the channel and the medium contact part are lined with rubber, and the temperature resistance, corrosion resistance and wear resistance are stronger, and the sealing is reliable
