Pressure-Compensated Design certified

Pressure-Compensated Design

BC Province Innovation Support certified

BC Province Innovation Support

Stainless Steel Actuator NC - Top Products

Stainless Steel Actuator NC - Top Products features a curated lineup of high-performance underwater linear and rotary actuators built from SST 316 or Titanium. Designed for deep-sea deployments up to 6,000 m, these brushless-motor-driven actuators deliver precise position control, integrated electronics, and pressure-compensated reliability for ROVs, subsea valve control, and marine robotics.

Linear Actuator 60,000 N Force
Linear Underwater Actuator Trunion 1000N
Rotary Actuator – Self Compensated
Linear Actuator – Self Compensated

Our Range of Products

Linear Actuator 60,000 N Force

Linear Actuator 60,000 N Force

  • Delivers up to 50,000 N axial force output
  • Rated to 6,000 m depth for subsea deployment
  • Fast actuation up to 200 mm/sec shaft speed
Linear Underwater Actuator Trunion 1000N

Linear Underwater Actuator Trunion 1000N

  • Depth rated to 6,000 m for deep-sea use
  • Axial force from 1,000 N up to 77,500 N
  • SST 316 or Titanium corrosion-resistant build
Rotary Actuator – Self Compensated

Rotary Actuator – Self Compensated

  • Rated to 3,000 msw for deep underwater use
  • 30-bit absolute encoder, 0.1° output precision
  • All-in-one: driver and logic fully integrated
Linear Actuator – Self Compensated

Linear Actuator – Self Compensated

  • Depth rated to 3,000 msw for deep-sea ROVs
  • 30-bit absolute encoder retains position on power-off
  • Integrated RS422/RS232 control, fully standalone

Frequently Asked Questions

What is the maximum depth rating for these stainless steel underwater actuators?

The Linear Underwater Actuator Trunion 1000N and the Linear Actuator 60,000 N Force are both rated to 6,000 meters depth. The Self-Compensated Linear and Rotary Actuators are rated to 3,000 msw (meters of sea water). All models use oil pressure compensation to maintain integrity at rated depths.

What materials are used in the construction of these underwater actuators?

What type of motor is used, and why does it matter for subsea applications?

How does position feedback work in the self-compensated actuators?

What communication interfaces are supported for control integration?

What axial force outputs are available across the product range?

Which industries and applications are these actuators designed for?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Offshore Oil & Gas

Offshore Oil & Gas

Drives subsea valve actuation, pipeline control systems, and heavy-duty offshore infrastructure at depths to 6,000 m.

Underwater Robotics & ROVs

Underwater Robotics & ROVs

Powers ROV manipulators, thrusters, and positioning systems requiring precise, pressure-compensated actuation underwater.

Marine Research & Oceanography

Marine Research & Oceanography

Enables precise instrument positioning and valve control in oceanographic platforms and deep-sea scientific instruments.

Water Infrastructure Maintenance

Water Infrastructure Maintenance

Deployed in robotic water tank cleaning and inspection systems, enabling automated maintenance without draining tanks.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why ROV Engineers & Subsea Operators Choose NV Mechanics Design Ltd.

Depth-Rated to 6,000 m

All actuators are pressure-compensated and oil-filled, ensuring reliable performance from shallow water to full ocean-depth deployments up to 6,000 m.

Integrated Electronics, Zero Add-Ons

Self-compensated models house all driver and logic circuitry internally, with RS422/RS232 control and absolute 30-bit encoders — ready to deploy out of the box.

Corrosion-Resistant SST 316 & Titanium

Housings machined from Stainless Steel 316 or Titanium deliver long-term resistance to seawater corrosion, reducing maintenance cycles in harsh marine environments.

Need a Custom Depth-Rated Actuator? Let's Talk.

Submit your specs and our engineering team will respond with technical guidance, drawings, and a project-specific quote within 1–2 business days.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 1-604-250-3375