
A balancing type pumping machine serves as an individual drive for a rod well pump and, together with it, constitutes equipment for operating an oil well
| Parameters | MDD3-1,5-710 | MDD6-2,5-2800 | MDD6-3-2800 | MDD8-3-4000 | MDD10-3,5-5600 | MDD12-3-5600 |
| Nominal load on the wellhead rod, kN | 30 | 60 | 60 | 80 | 100 | 120 |
| Maximum stroke length of the wellhead rod, m | 1,5 | 2,5 | 3,0 | 3,0 | 3,5 | 3,0 |
| Rated torque on the output shaft of the gearbox, kNm | 7,1 | 28 | 28 | 40 | 56 | 56 |
| Gear ratio | 39,86 | 39,92 | 39,92 | 37,18 | 40,315 | 40,315 |
| Number of swings of the balancer, per minute | 4,2-14,7 | 5,2-14,5 | 5,2-14,5 | 4,4-12,2 | 4,0-12,8 | 4,0-12,8 |
| Engine power, kW | 7,5 | 18,5 | 22 | 30 | 30 | 37 |
| Overall dimensions, mm | 1360
4185 2985 |
1880
6340 4605 |
6721
5064 1880 |
2250
7100 5385 |
2250
7500 6250 |
2250
7100 5385 |
| Mass, kg | 3350 | 7800 | 8050 | 11780 | 12800 | 12430 |





Gas pressure regulator RDO-1 axial with an elastic valve is designed to regulate the pressure of natural gas, which does not contain mechanical impurities, at gas distribution stations (GDS), points (hydraulic fracturing stations), points of fuel and starting gas at the entrance to city gas networks, thermal power plants, in gas filling station systems, wherever accurate and reliable regulation of natural gas pressure is required.



