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Umbilical Tubing
Stainless Steel Coiled Umbilical Tubing
Meilong is a supplier of welded and cold drawn, welded and seamless umbilical tubing which are made from corrosion-resistant austenitic, duplex, super duplex stainless steels and nickel alloy grades. We have been specializing in manufacturing coiled umbilical tubing used in the oil and gas industry.
Coiled tubing for hydraulic line in umbilicals
A direct hydraulic control umbilical provides direct hydraulic control of each valve on a subsea christmas tree, through a bundle of tubes from the topsides hydraulic power unit (HPU) to the subsea tree. No electrical power or signal is required. Actuation of valves is by the supply of hydraulic power to the relevant tube. This is accomplished by opening the relevant valve on the manifold located on the topsided HPU. This type of umbilical is limited to subsea production systems with short offsets to the host and few trees.