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30-250 Big Model RW Series Oil Sucker Rod Pump
30-250 RW Series Sucker Rod Pump Description
RW series sucker rod pump is the thin-walled rod API oil rod pump. Sucker rod pump is equipped with a seating nipple, seating nipple is connected on the tubing string, down to the bottom of the well with the tubing string. Plunger assembly is connected on the rod string and together with the whole pump down to support joint position, pump is fixed within the support joint by external force, plunger assembly is together with the sucker rod string up and down reciprocating movement to achieve pumping work. If the cup top anchor sucker rod pump appeared quality problem ,it need not to put out of the tubing string, only through rod string together put out of the whole pump, operation is simple. 30-250 is the largest model for API RW series rod pump.
Technical parameter list:
| Specification | Pump diameter (in) | Barrel length (ft) | Plunger length (ft) | Stroke length (ft) | Extension length (ft) | Tubing size EUE(in) |
| 25-175RWAM | Ø50.8 | 2.1-10 | 0.3-8.0 | 1.2-9.0 | / | 3-1/2" |
| 25-175RWAC | ||||||
| 30-225RWBM | Ø63.5 | |||||
| 30-225RWBC |
Features
1. Cup seating assembly and mechanical seating assembly
2. Largest model for API RW series
3. Thin wall rod pump
Mechanical Propertie
Cup seating assembly is suitable for low temperature oil well and mechanical seating assembly is suitable for high temperature oil well
