| The reinforced pump is a kind of tubing pump which add an outer tube.Features:
 This pump has strong rigidity and the ability to resist damage, easy to transport and moving;
 Suitable for used in improved well.
 MAIN SPECIFICATIONS AND PARAMETERS
 
| Basic type
 | Pump dia.   | Plunger length series  | Extension nipple length(m)  | Outer dia. Of coupling oil tubing(mm)  | Plunger stroke range(mm)  | Pump constant  | Dia. Of connecting sucker rod(mm)  |  
| Nominal dia. (mm)  | Basic type  |  
| 25(20)-106  | 28  | 26.99  | 0.6 0.9
 1.2
 1.5
 | 0.3 0.6
 0.9
 | 60.3,73.0  | 0.6-6  | 0.886  | 16/19  |  
| 25(20)-125  | 32  | 31.75  | 60.3,73.0  | 0.6-6  | 1.140  | 16/19  |  
| 25(20)-150  | 38  | 38.1  | 60.3,73.0  | 0.6-6  | 1.642  | 16/19  |  
| 25(20)-175  | 44  | 44.45  | 60.3,73.0  | 0.6-6  | 2.235  | 19  |  
| 25-225  | 57  | 57.15  | 73.0  | 0.6-6  | 3.649  | 22  |  |