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Internal pneumatic pipe clamp

The internal pneumatic clamp is a special pneumatic machine that designed for precise connection and centering pipes for welding. Internal pneumatic clamps can be used for various types of pipes with a diameter from 168 mm to 2032 mm.
| Model | Pipe diameter, mm | Number of clamp shoes | Tensioner pressure, kN | Power, kW | Overall dimensions, mm |
| DNQ06 | 168 | 6*2 | 135 | 150*1475 | |
| DNQ08 | 219 | 6*2 | 210 | 189*1595 | |
| DNQ10 | 273 | 6*2 | 380 | 240*1665 | |
| DNQ1214 | 305-357 | 6*2 | 405 | 280*1750 | |
| DNQ1618 | 406-457 | 8*2 | 960 | 0,59 | 360*2135 |
| DNQ2022 | 508-559 | 10*2 | 1060 | 1,01 | 480*2435 |
| DNQ2224 | 559-610 | 12*2 | 1270 | 1,01 | 530*2500 |
| DNQ2426 | 610-660 | 12*2 | 1270 | 1,01 | 580*2670 |
| DNQ2830 | 711-762 | 12*2 | 1750 | 1,01 | 680*2700 |
| DNQ3032 | 762-813 | 14*2 | 2940 | 2,24 | 690*2940 |
| DNQ3236 | 813-914 | 16*2 | 2940 | 2,24 | 790*3025 |
| DNQ3640 | 914-1016 | 18*2 | 2940 | 2,24 | 820*3190 |
| DNQ4042 | 1016-1067 | 20*2 | 2940 | 2,24 | 980*3030 |
| DNQ4852 | 1219-1321 | 22*2 | 4855 | 2,24 | 1210*3520 |
| DNQ5660 | 1422-1524 | 22*2 | 4855 | 2,24 | 1310*3500 |
| DNQ6472 | 1626-1829 | 24*2 | 4855 | 4,1 | 1557*3865 |
| DNQ7680 | 1930-2032 | 30*2 | 4855 | 4,1 | 1800*4000 |