Latch Tools
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J2 Subsea 90mm Dia Docking Latch
The docking latch is designed to interface to a female docking receptacle mounted on subsea structures or tooling packages, the most common use for the docking latch is tool deployment units (TDU’s ).
The latch is operated by a hydraulic cylinder which when extended pushes two latch finger out to latch into the docking receptacle. Fitted to the unit is an internal spring that will allow self-release of the unit in the event of hydraulic power loss.
J2 Subsea Regan GL-4
The Regan GL-4 Latch release tool is manipulator deployed and allows an ROV to mechanically attach to the top of the guidepost.
It then hydraulically compresses the latching mechanism making it possible to remove the guidepost for retrieval to the surface on the guide wires provided.
Specialist Offshore Docking Probe
The Specialist Offshore Services ROV docking probes are used to latch ROV’s to an ISO 13628-8 interface.
The docking probe has a positive spring return latching system ensuring latching fingers retract & release once hydraulic pressure is relieved from the system. It has a shear pin which is set to 8000kg, thus more than capable of withstanding the full thrust load of all work class ROV’s.
The latch fingers pivot on shear pins and pull the latch hard into the docking receptacle. An internal spring enables the latches to return to their closed position on loss of hydraulics.