National Oilwell Varco Datasheets for Hoppers
Hoppers are used for the temporary storage of materials. They are designed so that stored material can be dumped or fed to a process easily.
Hoppers: Learn more
|Mud Hoppers The low-pressure mud hopper was produced in the 1940's. National Oilwell Varco's Jet-Venturi Mud Hopper was introduced in the early 1950's and continues to be the hopper of...|