Conval Inc

Metal and plastic contract offshore manufacturing services including CNC precision machining and fabrication. Works with sheet metal, plate and tubing steel, carbon steel, stainless steel, tool steel, aluminum alloy, copper, nickel and nickel alloy, ferrous/non-ferrous metals, titanium, beryllium and zinc. Capabilities include die/metal casting, injection molding, metal stamping, bending,...

Conval Inc. is a world leader in severe service applications. We have been making high-pressure, high-temperature valves since 1967 when Mr. Chester Siver founded the company. Offering the most in-line repairable valve on the market, our valves are among the longestest lasting in the industry.

Welcome to Conval In 1962, Mr. Chester Siver completed designs for a revolutionary line of high pressure forged steel valves. Hamilton Standard, division of United Technology, was asked to use their then new Electron Beam Welding technology for joining of parts into valves for subassemblies. Hamilton Standard became intrigued with the valve as an ideal application of the Electron Beam Welding...