| Pumping units | ||||||||||
| Pumping units (rocking machines) are used for individual drilling of sucker-rod well pumps and they jointly operate as the equipment for oil well operation. Manufactured goods are executed in 2 variants: 1- for high foundation mounting; 2- for high foundation mounting (with elongated bearing under the reducer and balancer of rooking machine). | ||||||||||
| ESK8-3.5-4000 | ESKD3-1.5-710 | ESKD6-2.5-2800 | ESKD6-3.0-2800 | ESKD6-4.0-4000 | ESKD8-3.0-4000 | ESKD8-4.5-5600 | ESKD10-3.5-5000 | ESKD12-3.0-5700 | ESKD12-5.0-5700 | |
Rated polished rod load, kN |
80 | 30 | 60 | 60 | 60 | 80 | 80 | 100 | 120 | 120 |
Maximum stroke length of polished rod, m |
3,5 | 1,5 | 2,5 | 3 | 4 | 3 | 4,5 | 3,5 | 3 | 5 |
Rated torque of reducer output shaft, kNm |
40 | 7,1 | 28 | 28 | 40 | 40 | 56 | 56 | 57 | 57 |
Reduction ratio |
37,1 | 39,86 | 39,92 | 39,92 | 37,1 | 37,1 | 40,315 | 40,315 | 40,315 | 40,315 |
Number of beam swings per minute |
4-12 | 4-16 | 5-15 | 5-15 | 4-12.2 | 4-12 | 4-12.8 | 4-12.8 | 5-12 | 5-12 |
Motor power, kWt |
30 | 7,5 | 18,5 | 22 | 30 | 30 | 37 | 30 | 37 | 37 |
Overall dimesions, mm |
8450x2250x6110 | 4185x1860x2985 | 6340x1880x4605 | 6720x1880x4955 | 7300x2250x5385 | 7100x2250x5385 | 8245x2250x6620 | 7500x2250x6250 | 7100x2250x5385 | 7100x2250x6730 |
Weight, kg |
14700 | 3350 | 7800 | 7950 | 11980 | 11780 | 12700 | 12800 | 12430 | 13230 |
