HY-GRADE
HY-GRADE Founded in 1984, Hy-Grade Valve Inc. manufactures check valves which are engineered with features that solve common check valve problems. Hy-Grade offers a full line of check valves that are used in a wide range of applications for industries such as Oil & Gas, Pulp & Paper, Chemical, Petrochemical, Refining, Mining, Marine and Power. […]