Sucker Rod Centralizer
Sucker rod guide/ Rod guide/ Rod holder
Sucker rod centralizers are newly developed tools to prevent eccentric wear on sucker rods used for drilling pumps.
Applying Rules:
1 Minimal eccentric wear well: one set for 3 rods.
2) Eccentric wear well: one set for 2 rods.
3) High eccentric wear well: one set for one rod.
4) Serious eccentric wear well (inflection point): one set for one rod, and install one nylon centralizer between sucker rods.
Size: OD from 55 to 72mm
Suitable for pipe ID from 22 to 36mm
Series of sucker rods stabilizers include sucker rods (Nylon) stabilizers, helix pup joint stabilizers, Anti-corrosive (carbon fiber) stabilizers and active pup joint type stabilizers.
It is recommended that centralizers be used on the rods for reduction of rod string and oil well tubing wear. The centralizers can be fixed; they can be installed directly on the rod body by pressure die casting method. The rotating centralizers are located between the locks on the rod body and can rotate on the same. Apart from ensuring wear protection, centralizers prevent deposits formation inside the oil well tubing and increase the time between well overhauls.
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Technical Parameters
| Sucker rod(screw type) | OD mm | Total length mm | Centralizer length mm | |
| FZ-19 rotation | 19(3/4") | 58 | 265-270 | 91 |
| FZ-22 | 22(7/8") | 58 | 265-270 | 91 |
1) hardness of centralizer steel: HB220-257;
2) compressive strength of centralizer sleeve:60-90Mpa;
3) medium temperature: 0-200C.
