For metal seated ball valve, the seat is coated and lapped to match ball, creating a positive seal. Metal-seated ball valves that provide superior operation at high temperatures as well as providing abrasion resistance in demanding applications.
Coating options: Chrome Carbide, Tungsten Carbide, WC, Stellite etc. Metal Seated Ball Valves are ideal for the refining, power generation, and oil and gas industries.
Class IV is also known as metal to metal. It is the kind of leakage rate you can expect from a valve with a metal shut-off disc and metal seat. Relia Metal Seated Ball Valve is bubble tight off with Zero leakage.