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Bomba de circulación


Thepumpisaimprovedtypeofthehydraulicfeed-backpumpforheavycrudeoil.Notonlytheformeradvantageshavebeenremainedbuttheinflowvalvehasbeenchangedtobeaannularvalveinthiskindofpump, bb, stheinflowresistanceisdisminured. Inthemeantime, bb, thephenomenonofsand-upcanbeefficientlyavoided.Thepumpissuitablefor7 ”casingwell,thepumpφ57/φ38maybeusedin51/2” casingwell. Pumpbore (milímetro) Lengthofplunger(m)Lengthofbarrel(m) RangeofStroke/(m) SizeofconnectingG2TB440 (adentro) Sizeofconnectingsuckerrod PumpconstantMaxoutsidediameter (milímetro) CY370TB440 (m)LowerPlunger(m) 6 ~ 1.22.4 ~ 7.23.0 ~ 7.80.6 ~ 1.21.8 ~ 6.03TBGCYG223.3514283/44 31/2TBGCYG255.60 83/57 31/2TBGCYG254.25

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Clase de bomba de aceite

Bomba de circulación

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