Super Duplex Stainless Steel valves manufacturers and suppliers .
Duplex Steel Ball Valves . We are manufacturing duplex steel ball valves in all pressure ratings from 150 psi to 15000 psi. We supply full port, reducing port duplex steel ball valves in designs of two way, three way and four way ball valves. Duplex steel ball valves like screwed or socket weld, NPT BSP or even BSPT threaded ball valves,