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Products
Application.
Beam pumping unit SKDR4 is intended for individual mechanical drive of oilfield rod pump, with polished rod load no more than 40 кN(4 t).
Kind of climatic version U1, T1, UHL1 under GOST 15150-69.
Example of description of pumping unit at the order with data : stroke length 2,1 m, stroke quantity 1,1 per minute, gear ratio 125, motor rated power 3,0 kW, synchronous rotation speed of motor shaft 750 rev/min, climatic version U1: SKDR4-2,1-1,1-125-3,0-750 U1 TU2 IBGU-02-04
The same with data: stroke quantity 2,0 per minute, gear ratio 90, motor rated power 5,0 kW, synchronous rotation speed of motor shaft 1000 rev/min : SKR4-2,0-2,0-90-5,0-1000 U1 TU2-UBGU-02-94
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| Polished rod load , кN (t) |
40 (4) |
Gearbox |
C3NK-355K |
| Stroke length, m |
0,9...2,1 |
Gearbox weight, kg |
980 |
| Rated torque at output shaft, кNm |
16 |
Gear ratio (Uн) |
125;90;63 |
| Electric motor power, kW at Uн |
125
90
63 |
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3...5,5
3...7,5
4...11 |
| Diameter of pulley, mm: |
motor
gearbox |
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560;710
125;180;224 |
| Number of strokes per min at Uн |
125
90
63 |
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1,1...4,8
1,5...6,7
2,1...9,5 |
| Overall dimensions, mm: |
length
heigth
width |
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5920
4755
1600 |
| Lubricant volume , l |
40 |
Weight, t |
5,2 |
Note:
SKR and SKDR - pumping units of beam type; SKMR - single-arm MARK II type; C3NK-450K - reverse with output shaft on antifriction bearings; C3NK-450C - with output shaft on plane bearings; C3NK-450M - reverse with reinforced output shaft on antifriction bearings.
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