Description
3NB series Mud Pump include: 3NB-350,3NB-500,3NB-600,3NB-800,3NB-1000,3NB-1300,3NB-1300C,3NB-1600
It has following features:
Optimum of parameter, increased the stroke length and displacements appropriately, lowered the stroke reasonably, thus improved the service life of expendable parts. This series mud pumps are widely used in oilfields and other industrial mining enterprises for well drilling and well repairing etc.
This series mud pumps are strictly manufactured according to SY5138 standard of CNPC and are tested accordingly when leave factory.
| Model | 3NB-350 | 3NB-500 | 3NB-600 | 3NB-800 |
| Type | Triplex | Triplex | Triplex | Triplex |
| Input Power | 257kw/350HP | 368kw/500HP | 441kw/500HP | 588kw/800HP |
| Rated Speed | 130 | 120 | 135 | 130 |
| Stroke(mm) | 180 | 180 | 196 | 274 |
| Max.Liner Dia.(mm) | ï¿ 160 | ï¿ 170 | ï¿ 180 | ï¿ 180 |
| Suction Inlet(mm) | 203 | 200 | 200 | 254 |
| Discharge Inlet(mm) | 76 | 83 | 101 | 101 |
| Gear Ration | 4.483 | 4.696 | 4.696 | 3.482 |
| Drive Shaft Speed | 582.8 | 563.52 | 633.96 | 435.25 |
| Overal Size(mm3) | 3600*2080*2015 | 3600*2280*2080 | 3900*2285*2085 | 4600*2155*2052 |
| Weight(kg) | 8058 | 9484 | 11000 | 17200 |
| Model | 3NB-1000 | 3NB-1300 | 3NB-1600 | 3NB-2200 |
| Type | Triplex | Triplex | Triplex | Triplex |
| Input Power | 735kw/1000HP | 955kw/1300HP | 1176kw/1600HP | 1640kw/2200HP |
| Rated Speed | 125 | 120 | 120 | 105 |
| Stroke(mm) | 274 | 305 | 305 | 356 |
| Max.Liner Dia.(mm) | ï¿ 180 | ï¿ 190 | ï¿ 190 | ï¿ 230 |
| Suction Inlet(mm) | 254 | 305 | 305 | 305 |
| Discharge Inlet(mm) | 101 | 101 | 101 | 130 |
| Gear Ration | 3.482 | 3.657 | 3.657 | 3.152 |
| Drive Shaft Speed | 435.25 | 438.84 | 438.84 | 369 |
| Overal Size(mm3) | 4600*2155*2052 | 5250*2450*2625 | 4720*2822*2660 | 6000*2950*3250 |
| Weight(kg) | 18000 | 23000 | 27100 | 38800 |