. Power Jacks U-serie subsea screwjacks

Power Jacks U-serie subsea screwjacks

U-Series subsea screw jacks can be used for a wide variety of subsea lifting, positioning and actuation solutions. The U-serie screw jacks can be connected together in complete systems that can be used underwater. Multiple units can then be operated an controlled in unison. They are also ideal for replacing hydraulics.

Applications include:

• pig launcher positioning,
• subsea caisson lifting,
• subsea riser positioning
• riser release mechanism
• mooring chain locking
• connector release mechanism
• TDU positioning and many more.

Technical specifications U-serie:

• Proven depth ratings up to 3000m subsea as (deeper on request)
• Pressure compensated or flooded designs available
• Capacities up to 2000kN (200Te) as standard; up to 3500kN (3500Te) on request
• Translating & Rotating screw configurations
• Self-locking (the products only use power when moving)
• Anti-rotation mechanism for axial positioning
• Dual nut (safety nut) fail safe load-holding option
• Full stainless steel designs available
• Reinforced sealing
• Full range of anti-corrosion options
• ROV drive interfaces
• 6 Mounting Options including trunnion and double clevis
• Low (-65°C) to high (+250°C) temperature solutions available
• Vibration and shock load resistant designs
• Full range of feedback devices for speed, position, rotation, wear and load monitoring control
• Special custom designs available to meet your exact requirements