sucker rod centralizer
2016/2/17 viewers
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introduction
sucker rod centralizer is mainly used for centralize suck rod and reduce the friction of tubing and sucker rod.it is composed of coupling,short joint and centralizer casing.it connects with sucker rod.as the centralizer casing is the high strength abrasion-proof material,when contract with the oil tube abrade centralizer body and reduce tube friction in order to anti-partial.
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