Power Jacks design and manufacture a extensive range of screw jacks and electric linear actuators for lifting and positioning solutions for applications in Industrial Automation, Civil, Defence, Energy and Transport Sectors.

A screw jack is a gearbox assembly (either worm gear or bevel gear) and a transmission product (lead screw, ball screw or roller screw) which through use of a motor is used to convert rotary into linear motion. They can be used to push, pull, tension, lock, unlock, tilt, pivot, roll, slide and lift or lower loads, anything from a few kilos to thousands of tonnes.

E-Series – Metric, Single Face, 5kN – 2000kN, machine screw, ball screw or roller screw. Full stainless steel version available.
C-Series – Metric, Cubic, 10kN – 100kN, machine screw.
S-Series – Metric, Cubic, High Performance, 25kN – 200kN, machine screw.
M-Series – Inch, Single Face, 0.25Ton – 250Ton, machine screw & ball screw.
U-Series – Metric, Subsea, Single Face, 25kN – 2000kN, 3000m subsea rated.


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