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wellhead
WellheadFunction: During drilling operation, casing head is an important equipment for controlling wellhead pressure.Raw Material: Carbon steel or low alloy steel comply with API Spec.6A.Applied Casing Program: 20"×13-3/8"×9-5/8"× 7"×5-1/2", or as user's requirements.Bottom Connection: welded type, slips type, thread type.Outlet connection: thread type, flange type(c/w VR plug thread).Technical SpecificationsNominal Dimension of Top Flange (in)11,13-5/8,20-3/4,21-1/4Working Pressure of Top Flange (MPsi)2,3,5,10Surface Casing Dimension(in)20,13-3/8,9-5/8,7Nominal Diameter of Side Outlet (in)2-1/16,2-9/16,3-1/8
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