High Pressure Drilling Hose

High Pressure Drilling Hose PURPOSE The hose is suitable for flexible connection between the top of the drilling riser and the vertically systems, and for the adjustment of installing error between the drilling pump line and the riser for the connection and vibration isolation. CONSTRUCTION Itis composed of an inner rubber protection layer,middle rubber layer,steel wire spiral layer and external rubber cover. APPLICATION High Pressure Drilling hose is used in oil fields,well cementing,well repairing,geological explorations,small drilling machine,and water conveyance at coal excavations.Used to carry slurry,water at environmental temperature,and other fluids. STANDARD API Spec 7K & SY/T5469-92. High PressureDrillingHoseInside DiameterWorking Pressure(Mpa)Test pressure(Mpa)inmmABCDEABCDE250.810.313.827.6--20.727.655.2--2 1/263.5--27.634.551.720.727.655.269.0103.4376.2--27.634.551.7--55.269.0103.43 1/288.9--27.634.551.7--55.269.0103.44101.6--27.634.551.7--55.269.0103.45127.0--27.634.551.7--55.269.0103.4