Hy-Grade Valve, Inc. manufactures check valves that are engineered with advanced features that solve common stock check valve problems. Since its founding in 1984, Hy-Grade has built a reputation for complete customer satisfaction by employing stringent quality guidelines and precise manufacturing techniques. Customers throughout the world have come to rely on Hy-Grade to solve their check valve problems time and time again. Hy-Grade offers a full line of check valves that are used in a variety of industries from Oil & Gas, Pulp & Paper, Chemical, Petrochemical, Refining, Mining, Marine, and Power.