Stainless Steel Actuators and Valves in Rhode Island

NV Mechanics Design Ltd. offers stainless steel underwater actuators and valves engineered for extreme subsea environments. Products include linear and rotary actuators rated to 6,000m depth, built from SST 316 or Titanium, with integrated encoders and brushless motors for precise, reliable actuation in ROVs, offshore oil and gas, and marine research applications.

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

  • 50,000 N axial force for heavy-duty tasks
  • 6,000 m depth rating for deep-sea use
  • 200 mm/sec shaft speed for fast actuation
Linear Underwater Actuator Trunion 1000N

Linear Underwater Actuator Trunion 1000N

  • Depth rated to 6,000 m for deep-sea ops
  • Axial force up to 77,500 N (7,000 LBS)
  • SST 316 or Titanium corrosion-resistant build
Rotary Actuator – Self Compensated

Rotary Actuator – Self Compensated

  • 0.1° precision output shaft position control
  • 3,000 msw depth-rated self-contained design
  • 30-bit encoder retains position at power-off
Linear Actuator – Self Compensated

Linear Actuator – Self Compensated

  • 30-bit absolute encoder retains position
  • Rated to 3,000 msw depth for subsea ROVs
  • Standalone RS422/RS232 serial control built-in

Frequently Asked Questions

What is a micro linear actuator?

A micro linear actuator is a compact device that converts electrical energy into precise straight-line motion over short strokes. In subsea applications, miniaturized linear actuators like those from NV Mechanics Design are built with brushless motors and absolute encoders, enabling accurate valve actuation and positioning in space-constrained ROV and underwater robotic systems.

What is the actuator that produces linear motion called?

What depth ratings are available for these underwater actuators?

What materials are used in the construction of these actuators?

How is position feedback handled in these underwater actuators?

What communication interfaces are supported by these actuators?

Can these actuators be customized for specific subsea applications?

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Industries We Serve

Offshore Oil & Gas

Offshore Oil & Gas

Subsea valve actuation and pipeline control in deepwater offshore oil and gas infrastructure.

Marine Research & Oceanography

Marine Research & Oceanography

Precision actuation for oceanographic instruments and deep-sea research exploration equipment.

Underwater Robotics & ROVs

Underwater Robotics & ROVs

Integrated linear and rotary actuators powering manipulation and mobility systems in remotely operated vehicles.

Water Tank & Infrastructure Maintenance

Water Tank & Infrastructure Maintenance

Automated underwater actuators used in water tank cleaning robots and subsea maintenance systems.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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

Extreme Depth-Rated Construction

Actuators rated to 6,000m depth in SST 316 or Titanium deliver proven corrosion resistance and structural integrity in the harshest subsea environments.

Fully Integrated Self-Contained Design

All driver circuitry, absolute encoders, and control logic are housed internally, simplifying integration into ROVs and subsea systems without external controllers.

Precision Position Feedback & Control

30-bit absolute encoders mounted on output shafts retain position between power cycles, enabling accurate and repeatable actuation for critical underwater operations.

Request a Quote for Subsea Actuators & Valves

Submit your requirements and our engineering team will respond with technical guidance, lead times, and custom configuration options.

Contact Us Today

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