FlangeRepair+SplitSleeve Fully encompasses mated-up flanges The PLIDCO FlangeRepair+SplitSleeve fully encompasses mated-up flanges and seals on the pipe beyond the weld of flanges. It covers a wide variety of flange types and classes and is used both onshore and offshore. Installation is simple. Just put the halves together, torque the studs and nuts and the seal is complete. PLIDCO FlangeRepair+SplitSleeve can be seal-welded, if specified. Hinges are available to further simplify installation. Standard packing is Buna-N; other packings available on application.