ASC's ABZ™ 090/929 series of resilient-seated BFVs feature thin-profile discs that encourage excellent fluid characteristics and maximum open flow. Our advanced design includes a unique disc/stem configuration that prevents high-pressure distortion and a flange sealing method that eliminates gasketing requirements. All of our valve products are meticulously manufactured to lower your operating costs by providing long life and simplified maintenance. Our ABZ™ valves meet rigorous industry standards that include the American Petroleum Institute (API), the American Society of Mechanical Engineers (ASME) and the American National Standards Institute (ANSI).