Back Pressure Valve In Mudanjiang

Product DescriptionFJ Type-Arrow Back Pressure Valve is an important tool in preventing of blowing out in drilling operation. Comparing to other structural valves, it possess some advantage such as high strength, big flowa area, high temperature resistant, high pressure resistant, and easily maintenance

Product DescriptionThe kelly cock valve ,which is a manually operated ball valve run in the I.D of drill string ,is one of effective tool for preventation from blowout .The kelly cock is divided into upper kelly cock valve and lower kelly cock. The upper kelly cock is connected between lower end of swivel and upper en

Product DescriptionThe Kelly splash-proof valve is a necessary tool preventing fluid flowing from Kelly to drill floor and keeping the operating environment from being contaminated by fluid when making a connection or Kelly is taken out of hole and discharged off

Product DescriptionRiding on unfathomable volumes of industrial expertise, we are engaged in exporting, trading and supplying an excellent quality range of Back Pressure Valve in Dongying, Shandong, China. BACK PRESSURE VALVE (INSIDE BOP/ GRAY VALVE) is a heavy-duty drop check valve that is positioned in the drill str