WRV-8000
arrow_backTo the overviewThe WRV-8000 is an expansion plug intended for sealing pipe openings below the water surface. It is used for planned operations, during maintenance, in-water survey or repair, as well as for emergencies and salvage operations.
A watertight seal is established against the inside of the pipe by closing the turning bar, pressing the aluminium or steel disks together and expanding the soft rubber rings. The diver uses one hand to rotate the handle and the other to hold the plug and keep it from rotating. The crossbar or flange will rest against the outer end of the pipe opening and prevent it from being sucked in. The plugs have a lockable pressure balance valve for flooding upon completion of the repair work. All plugs are designed to withstand a pressure differance of 2 bar.
The standard WRV-8000 plugs can be used to seal off pipe openings ranging from 13.5 mm (DN14)to 615 mm (DN600). The expansion plugs require a certain amount of space without any obstacles inside the pipes. Before installation, the piping must be cleaned from marine growth.
Pipe plugs with higher diameter than DN600 can be delivered upon request. Larger plugs with high submerged weight can be customized and delivered with PVC sheeting to provide nautral buoyancy for easy handling under water. Miko Marine can also customize pipe plugs with pipe cover to provide a double barrier sealing. Send enquiry for more information.
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