Dextube si Hydraulic akpa na instrumentation akpa na a sara mbara nso nke corrosion na-eguzogide igwe anaghị steels na nickel alloys ekpuchi n'èzí diameters si (od) 3.175 ka 50,8 mm (1/8 "2"). All nha na-na-ọnọ na-eji ire ụtọ na-ebupụta na nso akụkụ tolerances mbenata ihe ize ndụ nke leakages mgbe ejikọta akpa na couplings.
