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3NB Series Mud Pump
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3NB Series Mud Pump
3NB series mud pumps are strictly manufactured according to the SY5138 standard of the Ministry of petroleum industry, and factory inspection is carried out according to the standard. This pump is widely used in drilling and workover operations of oil fields and other industrial and mining enterprises in China and other countries.
Main technical parameters:
| Item | 3NB350 | 3NB500 | 3NB500A | 3NB600 |
| Rate power(hp/kw) | 350 (257) | 500 (368) | 500 (368) | 600 (441) |
| Stroke length ( mm) | 180 | 180 | 196 | 196 |
| Gear rotation ratio | 4.483 | 4.696 | 4.696 | 4.696 |
| Suction diameter(mm) | 203 | 203 | 203 | 203 |
| Discharge diameter(mm) | 76 | 83 | 83 | 83 |
| Valve | 5# | 5# | 5# | 5# |
| Liner(mm) | φ90--φ160 | φ100--φ170 | φ100--φ170 | φ100--φ180 |
| Dimensions(mm) | 3600*2080*2015 | 3600*2230*2080 | 3600*2230*2080 | 3600*2230*2080 |
Weight(kg) |
8058 | 9484 | 11000 | 11000 |
| Item | 3NB800 | 3NB1000A | 3NB1000D | 3NB1300A |
| Rate power(hp/kw) | 800 (588) | 1000 (735) | 1000 (735) | 1300 (955) |
| SPM | 130 | 125 | 125 | 120 |
| Stroke length ( mm) | 273 | 273 | 273 | 305 |
| Gear rotation ratio | 3.482 | 3.482 | 3.482 | 3.657 |
| Suction diameter(mm) | 254 | 254 | 254 | 305 |
| Discharge diameter(mm) | 101 | 101 | 101 | 101 |
| Valve | 6# | 6# | 6# | 6#/7# |
| Liner(mm) | φ120--φ180 | φ120--φ180 | φ120--φ180 | φ130--φ190 |
| Dimensions(mm) | 3900*2155*2052 | 3900*2240*2052 | 4600*2240*2052 | 4300*2450*2513 |
Weight(kg) |
17200 | 17500 | 18000 | 21500 |
| Item | 3NB1300D | 3NB1600 | 3NB2200 |
| Rate power(hp/kw) | 1300 (955) | 1600 (1176) | 2200 (1618) |
| SPM | 120 | 120 | 105 |
| Stroke length ( mm) | 305 | 305 | 356 |
| Gear rotation ratio | 3.657 | 3.657 | 3.512 |
| Suction diameter(mm) | 305 | 309 | 305 |
| Discharge diameter(mm) | 101 | 128 | 130 |
| Valve | 6#/7# | 7# | 8# |
| Liner(mm) | φ130--φ190 | φ140--φ190 | φ140—φ230 |
| Dimensions(mm) | 5050*2450*2625 | 5500*2822*2660 | 6000*3465*2745 |
Weight(kg) |
23000 | 27100 | 38800 |
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