Bolted Bonnet Threaded BSPT Check Valve

The Bolted Bonnet Threaded BSPT Check Valve is a non-return valve engineered to prevent reverse flow and protect pumps, compressors and downstream equipment from backflow and water hammer. Built with a forged carbon steel (a105), with stainless and special grades available and a forged stainless steel piston/disc with hardfaced seat, the valve opens automatically under forward line pressure and closes under the weight of the closure member or spring assistance the instant flow reverses. Supplied with threaded bspt, with npt and socket-weld options available and rated to ANSI Class 800, it is designed and tested to recognised international standards for dependable, low-maintenance service across oil and gas, petrochemical, power and water applications.