HY-GRADE Valve, Inc.
Precision machined check valves from barstock and forgings in sizes 1" to 48", pressure classes through ASME 2500 and API 15,000, and in virtually any material. Offshore E & P, Refining, Petrochemical, Chemical, Pulp and Paper, and the Power industry have all utilized the Hy-Grade design with outstanding results and performance.