...-actuated) types (they simply have their exposed operating shafts fitted with a standard rotary torque tool interface rather than having an hydraulic actuator on each) Each of the 41 valves are arranged in two parallel rows, spaced at regular intervals and w t h their operating shafts and interfaces all...

... interface A Torque Tool to perform the controlled tightening of all studbolts An ROV interface skid to allow all tools to be operated including the external pressure testing of each flange joint after torqueing Water Lift Bags to provide support along the free span length of flowline and allow some pipe...