The NIBCO® cast iron horizontal swing check valve is designed with renewable seat and disc. The swing check valve prevents backflow by automatically closing when fluid reverses direction. The check valve is Class 250 flanged iron body, bronze mounted trim (IBBM). It is recommended for commercial and industrial steam, water, oil and gas services. The NIBCO® cast iron check valve features flanged end connections for easy installation. It is equipped with a bolted bonnet for maintenance accessibility. The swing check valve includes a renewable cast bronze seat and disc. Swing checks may be installed in horizontal positions (or vertical with flow moving up).