Subsea Actuator Options and Alternatives

Explore a comprehensive range of subsea actuator options and alternatives from NV Mechanics Design Ltd., including self-compensated linear and rotary actuators, high-force linear actuators, proximity sensors, and oil compensators. Engineered for depths up to 6,000 m, these components serve ROVs, offshore oil and gas, and marine research applications.

Linear Actuator – Self Compensated
Rotary Actuator – Self Compensated
Linear Underwater Actuator Trunion 1000N
Linear Actuator 60,000 N Force
260cc Oil Compensators
Proximity Sensor PSW23-20000-0

Our Range of Products
Linear Actuator – Self Compensated

Linear Actuator – Self Compensated

  • 3000 msw depth-rated for deep ROV use
  • 330 LBS axial force, brushless motor
  • 30-bit absolute encoder, retains position
Rotary Actuator – Self Compensated

Rotary Actuator – Self Compensated

  • 3000 msw depth-rated rotary actuator
  • 0.1° precision at output shaft
  • 30-bit absolute encoder, power-cycle safe
Linear Underwater Actuator Trunion 1000N

Linear Underwater Actuator Trunion 1000N

  • 6000m rated, SST 316 or Titanium build
  • Axial force up to 77,500 N (7,000 LBS)
  • Multi-voltage: 24, 48, or 230 VDC input
Linear Actuator 60,000 N Force

Linear Actuator 60,000 N Force

  • 50,000 N extreme axial force output
  • Depth-rated to 6,000m deep-sea use
  • 200 mm/sec high-speed actuation stroke
260cc Oil Compensators

260cc Oil Compensators

  • 0.7–1 bar positive pressure, blocks ingress
  • 260cc capacity with rolling diaphragm
  • Optional low oil level sensor or switch
Proximity Sensor PSW23-20000-0

Proximity Sensor PSW23-20000-0

  • Depth-rated to 6800m (10,000 psi)
  • SST 316, Inconel & Titanium construction
  • Normally Open & Closed signal outputs

Frequently Asked Questions

What depth ratings are available for your subsea actuators?

NV Mechanics Design offers subsea actuators rated for different depth ranges. The self-compensated linear and rotary actuators are rated to 3,000 msw, while the high-force linear actuators and the Proximity Sensor PSW23-20000-0 are rated to 6,000 m and 6,800 m respectively, covering a wide range of shallow to ultra-deep subsea deployments.

What communication interfaces are supported by the self-compensated actuators?

Do the actuators retain position information after a power loss?

What materials are used to ensure corrosion resistance in marine environments?

What is the purpose of the oil compensator, and which actuator systems does it support?

What force outputs are available across the linear actuator product line?

Are CAD files and technical documentation available before purchasing?

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

Subsea actuators and sensors used for valve control, pipeline actuation, and equipment operation at depth.

ROV & Subsea Robotics

ROV & Subsea Robotics

Linear and rotary actuators powering manipulators, positioning systems, and control mechanisms on underwater ROVs.

Marine Research & Oceanography

Marine Research & Oceanography

Precision actuators and sensors enabling accurate positioning and data collection in oceanographic research equipment.

Underwater Infrastructure & Pipelines

Underwater Infrastructure & Pipelines

High-force actuators controlling subsea pipeline valves and heavy-duty underwater industrial machinery at depth.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Linear Underwater Actuator Trunion 1000N | Subsea Valve Actuators

Subsea Valve Actuators

Subsea valve actuators from NV Mechanics Design Ltd. are precision-engineered linear and rotary actuators rated for depths up to 6,000 meters. Built from SST 316 or Titanium, they deliver reliable valve and equipment control for ROVs, offshore oil and gas, and marine research applications, featuring brushless motors, absolute encoders, and integrated RS422/RS232 communication.
Rotary Actuator – Self Compensated | Subsea Electric Rotary Actuators

Subsea Electric Rotary Actuators

Subsea Electric Rotary Actuators from NV Mechanics Design Ltd. are precision-engineered, self-contained actuators rated to 3000 msw depth. Featuring 30-bit absolute encoders, integrated RS422/RS232 communication, and brushless motor technology, they deliver reliable position control for ROVs, deep-sea robotics, and subsea valve operations worldwide.
Rotary Actuator – Self Compensated | Electric Throttle Control Subsea Actuator Connector

Electric Throttle Control Subsea Actuator Connector

Electric Throttle Control Subsea Actuator Connectors are precision-engineered components designed for deep-sea and offshore environments. Featuring brushless motors, absolute encoders, and integrated driver circuitry, these actuators deliver reliable linear and rotary motion control for ROVs, subsea valve actuation, and underwater robotics at depths up to 6,000 meters.

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

Self-Compensated, All-in-One Design

All driver circuitry, encoders, and communication interfaces are integrated inside the actuator housing, simplifying subsea system integration and reducing external component count.

Extreme Depth Ratings Up to 6,000 m

Products are engineered and pressure-tested for deployments reaching 6,000 m, with corrosion-resistant SST 316, Inconel, and Titanium construction for long-term reliability in harsh marine environments.

Retained Position Across Power Cycles

Absolute 30-bit encoders mounted on output shafts retain precise position data between power cycles, eliminating the need for rehoming routines in critical subsea operations.

Get Expert Guidance on Your Subsea Actuator Requirements

Submit your inquiry and our engineering team will respond with product recommendations, technical specifications, and lead time details tailored to your application.

Contact Us Today

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