PBOF Linear Actuators for Critical Subsea & Marine Applications
U-Series Subsea Linear Actuators Versatile linear actuators with absolute position feedback
U-Series Subsea Linear Actuators

Versatile linear actuators with absolute position feedback

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U-Series Subsea Linear Actuators

Ultra Motion's U-Series of pressure-compensated oil-filled linear actuators provides a wide variety of options to suit specific requirements for critical surface and subsea applications, including stepper motors or brushless DC motors, self-locking Acme leadscrews or high-efficiency ballscrews, custom cable lengths, and stroke lengths from 1 to 16 inches.

Featuring an internal linear potentiometer for absolute position feedback and SubConn Wet-Mate connectors as standard, the actuators can withstand depths of over 6000 meters, and are highly suited to a wide range of applications including subsea vehicle hydroplanes, instrument and antenna deployment, and hydrofoil and rudder control.

U-series actuators require external motor control electronics. For subsea linear actuators with built-in control electronics, see Ultra Motion's AU Servo Cylinder series.

Peak Forces Up to 500 lbf
Peak Speeds Up to 5 in/sec
Stroke Lengths 2, 4, 6, 8” standard
1 to 16” available
Axial Backlash 0.005” nominal