In In re: New York City Asbestos Litigation, a mesothelioma case from the New York Court of Appeals, court records indicate defendant sold valves to the U.S. Navy. These valves were designed to be used under high pressure and in high heat situations aboard naval ships. The valves themselves did not actually contain asbestos or any other hazardous materials.
However, these valves would not work properly under the expected conditions unless a gasket was used along with the valve as well as insulation and a packing material for the valve stem. These gaskets and insulation were made from asbestos, and the instructions that came with valves called for the use of this asbestos material. Continue reading