XIAN ATO INTERNATIONAL CO.,LTD
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3NB Series Mud Pump
echnical Features
Power end: The shell is of welding structure made of steel plates, and internal stress is eliminated afterwelding. The power end drive gear is a transmission gear, witch runs smoothly with high efficiency and a long service time. Crankshaft is a hollow one piece casting. Power end is splash lubrication.
Fluid end: the suction valve and the discharge valve conform to ASA and API specifications.
It adopts clamp connection between the piston rod and the intermediate rod.
The valve seat bores have a bottom shoulders to prevent the sinking of the valve seat. The pistons and cylinder sleeves are spray lubricated and cooled, which allow an extended service life.
Damageable pieces have strong currency.
| Model | 3NB500C | 3NB1000C | 3NB1300C | 3NB1600 |
| Input Power kW(PS) | 368(500) | 735(1000) | 956(1300) | 1176(1600) |
| Strokes per minutes pm | 95 | 110 | 120 | 120 |
| Piston stroke mm | 254 | 305 | 305 | 305 |
| Gear ratio | 3.82 | 3.833 | 3.81 | 3.81 |
| Speed of driving shaft r/min | 363 | 423 | 457 | 457 |
| Max. working pressure MPa | 28.9 | 34.5 | 34.5 | 34.5 |
| Hydrostatic test pressure MPa | 43.4 | 51.7 | 51.7 | 51.7 |
| Valve specification mm | API 6 | API 6 | API 7 | API 7 |
| Max .dia of cylinder sleeves mm | Φ160 | Φ170 | Φ180 | Φ190 |
| Dia. of suction pipe mm | Φ254(10) | Φ305(12) | Φ305(12) | Φ305(12) |
| Dia. of discharge pipe mm | Φ100(4) | Φ100(4) | Φ100(4) | Φ100(4) |
| Overall dimension(L×W×H) mm | 4220×2640×2430 | 5170×2809×2530 | 4400×2998×2565 | 5100×3037×2615 |
| Total Weight (without sheave) kg | 15940 | 21450 | 24800 | 26000 |
ATO Advantages:
1 Customize products with different repuqirements for customers
2 All factory are designated by Sinopec&CNPC
3 Raw materials are strictly tested,confirm to API standards
4 Strong professional team, find the most suitable products for customers
5 Customer -Focused, to provice reliable and efficient one-stop worry-free service
6 High quality pumps parts supplier
7 Assurance pf reliable source
8 Flexible solutions for all your questions
9 safe and convenient logistics channel
10 perfect after-sale tracking service team, provice one to one service to customers in time
