Sub-Atlantic Hydraulic Products

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Sub-Atlantic manufacture a range of reliable and efficient hydraulic power units (HPUs), valve packs and compensators for the powering and control of underwater propulsion systems, manipulators, torque tools, etc. These products are used on all sizes of ROVs, but some of the smaller ones have been specially developed for use on smaller electric ROV systems for the operation of compact manipulators, torque tools, etc.

Hydraulic Power Unit

15-280 kW Available in sizes varying from 15 to 280 kW / 20 to 375 HP, they are the perfect power source supply for ROVs Trenchers, TMS and Tooling applications. more info…

Hydraulic Power Unit

1.3 Kw This small Hydraulic Power Unit (HPU) delivers 4 lpm / 1 usgpm at adjustable pressures up to 200 bar / 3000 psi and is suitable for powering manipulators, tools, etc. more info…

Valve Pack / HPU Combined - 6 Station Solenoid

This combined hydraulic power unit with integral 6-station valve pack and control system has been specifically designed for use on small electric ROVs using manipulators and/or tool skids. more info…

General Function Valve Pack

Loaded with functionality, solenoid, proportional or mixed valve configurations and driven by a powerful, fully configurable digital control system, these are the perfect choice for ROV and tooling applications. more info…

Servo Valve Pack - 8 Station

This extremely compact servo valve pack weighs only 15 kg / 33 lb in sea water and provides precise control of propulsion thrusters on underwater vehicles. more info…

Compensators - 270cc, 370cc, 860cc & 2700cc

Four sizes of rolling diaphragm, positive pressure compensators in corrosion resistant plastic suitable for ROV and tooling applications. more info…

Compensator  - 13.5 Litre

Our 13.5 litre / 3.6 usg positive pressure compensator is manufactured from plastic, stainless steel and aluminium alloy materials. It is available with an optional analogue level sensor. more info…

Dirty Oil Pack (IHPU)

This Dirty Oil Pack is an Isolated Hydraulic Power Unit (IHPU) that can be easily incorporated into a ROV hydraulic system to provide an isolated hydraulic supply for driving tooling and equipment. more info…