This series mud pumps are strictly manufactured according
to SY5138 standard of CNPC and are tested accordingly when
leave factory.
Reliable to lubricate and promote the service life of power end.
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) | 160 | 170 | 180 | 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 |
Overall 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) | 180 | 190 | 190 | 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 |
Overall Size(mm3) | 4600*2155*2052 | 5250*2450*2625 | 4720*2822*2660 | 6000*2950*3250 |
Weight(kg) | 18000 | 23000 | 27100 | 38800 |
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