Profile: Noble Alloy Valve manufactures a line of alloy, severe service, erosion, corrosion ball and check valves. We specialize in soft and metal seated ball valves in alloys ranging from carbon steel to stainless, nickel and reactive metals including titanium, zirconium, niobium and tantalum. We provide nobleizing process, which is utilized for metal surface hardening for superior gall and wear resistance.