DAC Worldwide's Oil Patch Swing Check Valve Cutaway (295-707) is a sectioned valve sample that allows for valuable classroom training in the operation, construction, and maintenance of industrial oil patch-type check valve used in oilfield production operations. Through carefully-planned sectioning and color-coding, the complete internal configuration of the valve is exposed and showcased. Seal features and hardware locations have been retained, allowing for “hands-on” training in maintenance. These dependable, easy-to-service, piggable threaded check valves are commonly used in high pressure oil & gas production applications and would be of interest to those involved in oil & gas production operations and maintenance training.