scope:

This standard defines the requirements for design, mechanical integrity, and sizing of operators and related components used on subsea pipeline valves that conform to API Specification 6DSS.

This standard is applicable to the following:

― electric actuators;

― electro-hydraulic actuators;

― hydraulic actuators;

― actuator override systems;

― diver and remotely operated tool (ROT)-operated gearboxes;

― other actuators, by agreement;

― mounting kit;

― pressure and volume compensation and associated systems;

― pressure caps;

― protection covers; electrohydraulic

― position indication systems.

This standard is not applicable to the following:

― manual or powered torque tools not permanently mounted;

― actuator control system equipment/components;

― remote-located units.