The National Oilwell Varco (NOV) 12-P-160 is a 1,600 input horsepower triplex single-acting reciprocating mud pump designed for deep drilling fluid circulation, featuring a 12-inch stroke and operating at up to 120 strokes per minute.
National Oilwell Varco’s 12-P-160 Mud Pump provides smooth performance. It’s construction is robust and durable for use in most environments. The 12-P-160 is rated @1,600 input horsepower (1,193 kW) at 120 strokes per minute with a 12 inch (304 mm) stroke. Multiple liner sizes allow pressure and volume to handle circulation in deep drilling applications.
NOV 12-P-160 Specifications
| Pump Type | Triplex, single-acting reciprocating |
| Maximum input | 1,600 hp (1193 kW) |
| Rated pump speed | 120 spm |
| Maximum fluid cylinder liner bore | 7 1/4 in. (184.2 mm) |
| Hydrostatic test pressure of fluid cylinders | 10,000 psi (703 kg/cm2) |
| Gear ratio | 3.439 |
| Suction connection ASA-150 lb. R.J. flange, inches | 10 in. |
| Discharge connection, cross w/ API-10,000 psi. R.J. flange | 6 in. |
| Valve pot, API number | MOD. 7 |
Main Replacement Parts
- Liners 4 1/2”~ 7 1/4”
- Fluid End Modules
- Wear Plate
- Gaskets & Seals
- Valve and seat assemblies
- Piston rods and rod clamps
- Crosshead and crosshead pin
- Fluid end modules
- Discharge manifold and seals
NOV 12-P-160 Parts List
| Item | OEM Part No | Description |
| 1 | 1292240 | Discharge Module Studded, (incl. Items 2-10) |
| 2 | 1292241 | Discharge Module, Only |
| 3 | 6300220 | Nut, 1 3/8″ Hvy. Hex |
| 4 | 2408029 | Stud, 1 3/8″ X 6 3/4″, Discharge to Frame |
| 5 | 6300180 | Nut, 1 1/8″ Hvy. Hex |
| 6 | 2408028 | Stud, 1 1/8″ X 6 3/8″, Discharge to Liner Bushing |
| 7 | 6300281 | Nut, 1 3/4″ Hvy. Hex |
| 8 | 2408033 | Stud, 1 3/4″ X 21 1/8″, Discharge to Suction |
| 9 | 6300240 | Nut, 1 1/2 Hvy. Hex |
| 10 | 2408027 | Stud, 1 1/2″ X 7 7/8″ Top, Thread Ring |
| 11 | 1292243 | Suction Module Studded, (incl. Items 12-14) |
| 12 | 1292244 | Suction Module, Only |
| 13 | 6300240 | Nut, 1 1/2 Hvy. Hex |
| 14 | 2408027 | Stud, 1 1/2″ X 7 7/8″ Top, Thread Ring |
| 15 | 1293165 | Bushing, Liner |
| 16 | 1292174 | Seal Retainer |
| 17 | 1292172 | Valve Cover |
| 18 | 1292178 | Screw, Wedge Adjusting |
| 19 | 6300182 | Nut, Wedge Adjusting |
| 20 | 1292171 | Washer, Wedge Adjusting Screw |
| 21 | 1292176 | Ring, Threaded |
| 22 | G-1292268 | Wedge Assembly |
| 23 | 1540127 | Gasket, Valve Cover |
| 24 | 1292140 | Holder, Valve Guide Insert |
| 25 | 1292141 | Insert, Valve Guide |
| 26 | 6511416 | Pin Dowell |
| 27 | 1292266 | Plate, Wear |
| 28 | 1292252 | Connector, Discharge |
| 29 | 7000-305-11 | Screw Hex Head |
| 30 | 7619050 | Washer, Lock |
| 31 | 1292253 | Adapter, Discharge Connector |
| 32 | 2410031-433 | Packing, Rectangular |
| 33 | 2410031-437 | Packing, Rectangular |
| 34 | 1292167 | Clamp, Liner |
| 35 | 7000491-10 | Screw 7/8 X 4 1/2″ Hex Hd. w/ Lock Washer |
| 36 | 6309140 | Nut, 7/8″ Lock Type |
| 37 | 1292169 | Pin, Liner Clamp |
| 38 | 1292168 | Connector, Liner Clamp |
| 39 | 2408015 | Stud 1 1/2″ x 7 1/2″ |
| 40 | 6300240 | Nut, 1 1/2″ Hvy. Hex |
Need NOV 12P-160 Spare Parts, Liners and other NOV Pump Parts?
Request a Quote Now — include your pump model and liner bore size for a faster response.
Email info@haigemachinery.com with your liner spec or drawing reference.
Haige Machinery provides Liners and other spare parts for the following NOV Mud Pumps.
NOV 7P-50
NOV 8P-80
NOV 9P-100
NOV 10P-130
NOV12P-160
NOV14P-220
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