• 12-P-160 Triplex Mud Pump

    National Oilwell Varco provides smooth Triplex performance and high efficiency from the 12-P-160 Mud Pump.

    • Performance:  An advanced fluid end design gives exceptionally smooth Triplex performance.  This unique design facilitates fast inspection and easy servicing. 
    • Flexibility:  Compact engineering provides higher efficiency in less space.  The pump's light weight and flexible design make it easily adaptable to a variety of rig configurations.  This provides flexibility as drilling requirements and conditions change.
    • Fluid End Modules:  NOV offers a choice of fluid end modules and valve covers for every P Series pump model to select the fluid end module that exactly matches drilling requirements.  All pump models can be equipped with either the standard or premium forged, two-piece interchangeable fluid modules.


    Power End:

    • Fabricated steel frame construction
    • One-piece forged steel construction crankshaft, connecting rods and pinion shaft
    • Adapability to a variety of drive arrangements on either side or both sides
    • Premium roller bearings to enhance smooth performance and efficiency
    • Pressurized lubrication system standard on 12-P-160 model

    Fluid End:

    • Two-piece modular cylinder design is completely interchangeable between modules
    • Fast Change™ screw-type valve covers which facilitate quick removal and installation are standard
    • Suction manifold can be equipped with front or side inlet connections
    • Discharge piping connects from either side
    • Piston and liner chambers are easily accessible and fully open
    • Two-piece piston rod construction allows removal of piston without disturbing liner
    • Easy-to-operate clamps give positive locking for liners and piston rod assemblies
    • Spray system cools and lubricates piston and liner surfaces


    Height, floor to center of front inlet suction, inches (mm)16-1/2" (419)
    Height, floor to center of discharge, inches (mm)45-1/4" (1149)
    Overall length over skids, inches (mm)209" (5309)
    Width over frame, inches (mm)78-5/8" (1997)
    Width over pinion shaft, inches (mm)113-3/4" (2889)
    Height, floor to top of gear case, inches (mm)75" (1905)
    Height over fluid cylinders, inches (mm)62-15/16" (1599)
    Max. input, horsepower (kW)1600 (1193)
    Rated pump speed, spm120
    Maximum fluid cylinder line bore*, inches (mm)7-01/4" (184.2)
    Stroke, inches (mm)12 (304.8)
    Hydrostatic test pressure of standard fluid cylinders, psi (kg/cm²)10,000 (703)
    Ratio of gears3.439
    Suction connection, ASA-150 lb. R.J. flange, inches10"
    Discharge connection, cross w/API-5000 lb. R.J. flange, inches6"
    Valve pot, API numberMOD.7
    Weight-complete, less sheave, lbs. (kg)54,700 (24,810)
    *Above 5000 PSI on 12-P-160 is optional



    12P160 Performance