| This pump is to increase the bridge outside the tubular pump tube tail pipe through the bridge connectionHas strong ability to resist damage, to facilitate the operation and transportation turnover
 Features:
 Can be used in the slope and the measures are well
 Using a tubing anchor or packer, all external force on the pipe bridge, pump barrel itself is not affected, to avoid the pump barrel distortion
 Not convenient use drainage device.
 MIAN SPECIFICATIONS AND PARAMETERS
 
| Basic type
 | Pump dia.   | Plunger length series  | Outer dia. Of coupling oil tube(mm)  | Plunger stroke range(mm)  | Pump constant  | Dia. Of connecting sucker rod(mm)  | The max outer dia(mm)  |  
|  Nominal dia. (mm)  | Basic type  |  
| 25-106  | 28  | 26.99  | 1.2  | 73  | 0.6-6  | 0.886  | 16/19  | 90  |  
| 25-125  | 32  | 31.75  | 1.140  | 19  |  
| 25-150  | 38  | 38.10  | 1.642  | 19  |  
| 25-175  | 44  | 44.45  | 2.235  | 19  |  
| 25-225  | 57  | 57.15  | 3.649  | 22  |  |