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Sucker rod centralizer

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The sucker rod centralizer is a supporting tool designed to decrease the pumping energy loss, increase the pumping efficiency, prevent the eccentric wear of sucker rod and protect the tubing.  

When the centralizer is used, connect it to the fray of sucker rod, with which the sucker rod is replaced to connect the rod string.

Features

1. Protect the tubing and the sucker rod coupling from high wear;

2. Clean sucker rod and tubing from asphaltene-pitch-paraffin deposits.

3. Stabilizes rod string

4. Eliminates or reduces tubing wear

Technical Parameter

Specification and typeMaxOD(mm)Centralizer length (mm)Centralizer sleeve length (mm)Suitable casing ID (mm)Working temperature(℉)Material qualityHRBFatigue life number
Basic sizeLimit deviation
FZ46X3/4ZZ46±0.1332010050≤220035CrMo257-283107
330
340
FZ46X15/16ZZ58±0.1533062
340
FZ46X11/16ZZ58
350
FZ46X13/16ZZ70±0.1533076
340
FZ46X15/16ZZ350
FZ46X13/8ZZ360
FZ46X19/16ZZ370

* Other sizes and connections available on request

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