API 11B Sucker rod,polish rod,sucker rod centralizer,sucker rod coupling for oil pumping out
Polish rod is a kind of special sucker rod connected with sucker rod and beam hanger. It is at the top of sucker rod, need to bear the most strength, so with bigger diameter and higher steel grade than sucker rod, and the surface is very smooth.Sucker Rod Nominal Value Φ16(5/8")Φ19(3/4")Φ22(7/8")Φ25(1")Φ29(11/8").
Orchid Energy Co Sucker rod is an important part of a sucker rod pumping equipment. Sucker Rod connect with coupling to be a rod string, and up through polished rod connection on the pumping unit or PCP motor, down connection on the pump piston or PCP, its role is to ground the reciprocating movement of the pumping unit horsehead suspension point is passed to the downhole pump or pass the rotation of the PCP motor torque to downhole PCP. Sucker rods are divided into grade of C, K, D, KD, HL, HY according to mechanical properties.
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