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Sucker Rod Centralizer--- JPRS 2014-01-23 11:24:20 C) is greater than 60. Therefore, the oil tube wear is little and then the service life of it is several times higher than that of circular centralizer;- it can be connected with sucker rod and has characteristics of simple to use, safety and reliable.
Key Technical Parameters
- Specifications: Φ19×232 (¾ "), Φ22×239 (⅞");
- appropriate specification of sucker rod: 62mm;
- Hardness of centralizer (HRC): ≥ 60.
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