FAS 800# / 1500# / 2500# F-11 NRV S/E Or S/W from Universal Valves Pvt Ltd is part of our forged products range. A non-return valve configuration designed to permit flow in one direction and help prevent reverse flow. Catalog features include F-11 forged alloy material; screwed ends / socket-weld ends. Please contact Universal Valves Pvt Ltd to confirm available sizes, pressure-temperature ratings, exact material/trim or seat options, end standards and suitability for the intended process medium before ordering.