National Oilwell Varco Datasheets for Check Valves

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. 
Check Valves: Learn more

Product Name Notes
Valves Valves NOV's Valve Division manufactures top of the line Reset Relief Valves, Shear Relief Valves, Float Valves, and Gate Valves for the oil and gas industry. These product lines protect...