TMT Linear Actuated Override Tool (LAOT)

The TMT Linear Actuated Override Tool (LAOT) is a flexible and versatile solution for operating various linear override ISO valve interfaces.



Can be held by manipulator or mounted on the TMT HD-FLOT

Easily operated from an ROV

High strength AISI 630 Stainless Steel

Configurable stroke up to 8.625″ (219mm)

ISO 13628-8 Type A or B interface available

ROV operable hydraulic lock off valve

ISO 13628-8 Type A Hot Stab Receptacle interface

Subsea rated pressure gauge for visual indication

The TMT LAOT is hydraulically powered to provide up to 86.2Te (846kN) of linear force at 10,000psi (68.9MPa) in the forward (extend) direction. The LAOT can be fitted with an ISO Type A or ISO Type B valve interface.

The LAOT stroke length can be limited according to the maximum client required stroke length (up to 219mm) to prevent valve damage by over stroking. The tool can be coupled with a TMT Lock Out Tool (LOT, sold separately) in order to provide a mechanical means of locking the valve in a stroked position for a prolonged time.

The tool can be engaged and disengaged from the LOT at any time by rotating the LAOT equipped with an ISO 13628-8 Type A linear interface (1/8 turn lock).


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