KHT5500tubingtong-KHT5500動力鉗-無牙痕KHT5500NON-MARKINGKHT5500hydraulicpowertongsistheopenpowertongswhichisapplicabletomakeuporbreakout23/8"-31/2"drillpipes，31/2"-41/2"tubingand41/2"-51/2"casingduringoilfieldworkoveroperation.Andthree-jaw-plateclampingdeviceisadoptedinthemastertongandbacktongs.Thedevicemayensureminimumstringdamage.Ithashighoperationefficiencyandmayreduceworkingintensityoftheworkers.Itcanenhancescrewingqualityofthestringandreducestringaccidentscausedbyimproperworkoveroperation.KHT5500型液壓動力鉗適用于油田修井作業中上卸23/8"-31/2"鉆桿、31/2"-41/2"油管及41/2"-51/2"套管的一種開口式動力鉗，主、背鉗都采用三顎板夾緊機構，保證對管柱最小傷害，其作業效率高，大大降低工人的勞動強度，并能提高管柱螺紋連接質量，減少由于修井作業不當引起的管柱事故等。鹽城特達///KHT5500tubingtong-KHT5500動力鉗-無牙痕KHT5500NON-MARKING