The API 600/ API 623 / API 594 Gate, Globe and Swing check valves are a perfect choice for any oil & gas applications. They are designed for tight sealing and ease of operation. The valves are available with flanged ends or butt-weld ends, in pressure ratings from ASME class 150 & class 300, in a variety of materials of constructions. Gate valves have a flexible wedge, outside screw and yoke and bolted bonnet construction. Globe valves feature a ball-type disc, out screw and yoke and bolted bonnet counstruction. They conform to API 623 and also meet the general requirements of API 600, including wall thickness and stuffing box dimensions. Check valves are swing type and bolted cover construction. They conform to API 594 and meet the general requirements of API 600, including wall thickness