Dongying Lake Petroleum Technology Co.,Ltd.
Dongying lake petroleum technology co.,ltd.(skype:hanyuqing8)
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API 7K NB Series Mud Pump For Drilling
Design features:
1.The power end: The frame is welded steel-plate construction. Its stress-relieved after welding. The drive gears are involute type gears which allow smooth operation,high efficiency and long life. The power end is either splash or pressure lubricated.
2.The fluid end: The suction and discharge flanges conform to ANSI and API specifications.
3.The piston rod includes an inter-mediate rod, that allows quick assembly&disassembly.
4.The valve seat bores have a bottom shoulders. The pistons and liners are spray lubricated and cooled, which allow an extended service life.
Main manufacturing equipment/parts conform to related API specifications.
Main Parameters:
Model | 3NB800 | 3NB1000 | 3NB1300 | 3NB500C | 3NB1000C | 3NB1300C | 3NB1600 |
Power KW(HP) | 588(800) | 735(1000) | 956(1300) | 368(500) | 735(1000) | 956(1300) | 1176(1600) |
Strokes per minutes (pm) | 160 | 150 | 140 | 95 | 110 | 120 | 120 |
Stroke (mm) | 216 | 235 | 245 | 254 | 305 | 305 | 305 |
Gear ratio | 2.51 | 2.658 | 2.868 | 3.82 | 3.833 | 3.81 | 3.81 |
Max. working pressure | 33 | 35 | 35 | 30 | 35 | 35 | 35 |
Max. dia of liner(mm) | 160 | 170 | 171.5 | 160 | 170 | 180 | 190 |
Dia. Of suction pipe(mm) | 257 | 254 | 257 | 254 | 305 | 305 | 305 |
Dia. Of discharge pipe (mm) | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
My skype:hanyuqing8