The J-Tube Seal helps an offshore wind structure's J-Tube riser centralize and partially seal a cable. The body of the J-Tube Seal is made of ductile iron, while its ears are made of flexible polyether. For a diverless installation, the J-Tube Seal is fastened to a cable before being deployed. Although it can also be used for oil and gas buildings, the J-Tube seal is used in the offshore wind industry.
J-Tube seals are designed to seal the interface between the inside of a J-Tube and the riser, preventing the loss of water containing corrosion inhibitors that is typically introduced into the J-Tube void space. A reliable sealing solution is crucial to maintaining this protective water layer.
Philson designs and manufactures custom diver-less and diver-installed J-Tube seal solutions for a wide range of applications, from oil and gas to renewable energy. J-Tube seals are crafted from high-grade marine polyurethane elastomers, ensuring a durable seal between the bellmouth and the polyurethane profile. J-Tube seals are usually pre-installed on cables and umbilicals before deployment and are pulled into their final position using cables.
J-Tube Seals are designed with a split-shell arrangement, allowing for easy installation after the cable or umbilical has been terminated. These seals often include an integral cable centralizer, which ensures precise positioning of the cable within the J-Tube, minimizing movement during its service life.
Additionally, the J-Tube center clamp is an excellent choice for cable protection. It provides robust protection for marine optical cables and flexible risers, offering both bending resistance and defense against corrosion and seawater erosion.
Philson provides a full product offering from design, material selection, functional steelwork, moulding through to validation. Contact us today to learn more marine cable protection solutions.
