I-Sucker Rod Centralizer
Induku yokudonsa inyakaza iyehla iye phezulu naphansi epayipini, ngenxa yokuguquguquka okunwebekayo kwenduku yokudonsa, induku kanye nodonga lwepayipi lamafutha kulula ukwenza ukungqubuzana, i-ti yenza induku yokudonsa iphuke kalula, i-centralizer yenduku yokudonsa inokuguquguquka okunamandla, ukuthintwa ngodonga lwepayipi kunganciphisa ukungqubuzana kwenduku kanye nepayipi, futhi kungandisa impilo yokukhiqiza yeyunithi yokupompa. I-centralizer ixhunywe nenduku yokudonsa, ububanzi bangaphandle be-centralizer bukhulu kunobubanzi bangaphandle obuhlanganisiwe, ngakho-ke lokho kungenza umsebenzi wokuhlanganisa ube phakathi. I-centralizer yenziwe ngezinto ezinamandla aphezulu ezingagugi, futhi ithintwe ngepayipi ukunciphisa ukungqubuzana ukuze kufezwe injongo yokulwa nokuguguleka.