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  • On-Line Replacement Systems
    …3 in, 4 in and 6 in, Clampburster is compatible with any type of hydraulic pipebursting rig. .... The systems features easy- fit clevis and spade connectors to simplify connection to burster rods in the trench, and a heavy duty rear swivel for connecting to towing heads or upsizing shrouds. .... Blade life is claimed to be in excess of 4,000 m, and replacement is by a…
  • Marginal Subsea Development with Existing Subsea Trees
    …several single well subsea tiebacks in production that were nearing the end of each field’s useful life . .... including the horizontal tree system, pipeline end termination assemblies, well jumper connections, and hydraulic umbilicals were all .... One of the horizontal trees from the previous wells fit all of the requirements for the new application, with the exception of the flowline connection, which was a diver made-up swivel flange.
  • Journal of Aircraft > Improved g-cueing system
    The actuator rod ends fit into sliding swivel pads underneath the seatpan surface that ac- commodate the attachment point shift when the pan has an angular excursion. .... Position feedback for each hydraulic actuator is ac- complished by using a linear-variable-displacement trans- ducer (LVDT) which has extremely high reliability, long life , and infinite resolution, and also has no sliding contacts to produce noise, backlash, hysteresis, or wear.