Triplex Mud Pump Bearing ZB 28515

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, spm	120
*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 gears	3.439
Suction connection, ASA-150 lb. R.J. flange, inches	10"
Discharge connection, cross w/API-5000 lb. R.J. flange, inches	6"
Valve pot, API number	MOD.7
Weight-complete, less sheave, lbs. (kg)	54,700 (24,810)

*Above 5000 PSI on 12-P-160 is optional