High Efficiency Underwater Thrusters

High Efficiency Underwater Thrusters

Product Introduction

Underwater thrusters serve as the core components of propulsion systems for Autonomous Underwater Vehicles (AUV) and Remotely Operated Vehicles (ROV). Through extensive iterative optimization and sea-trial validation, Pelagix has developed a standardized lineup of high-efficiency underwater thrusters engineered to deliver powerful thrust, exceptional energy conversion, and maximum reliability across diverse subsea missions.
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  • Integrated High-Efficiency Motor-Propeller Design:

    Optimized matching between the motor and custom ducted propeller maximizes thrust output at equivalent power consumption, delivering superior operational energy efficiency for extended vehicle endurance.

  • Deep-Sea Pressure-Compensated Structure:

    Utilizes an advanced oil-filled pressure compensation mechanism to dynamically balance extreme subsea ambient pressure, fully adapting to deep-sea environments up to 6,000 meters.

  • Lightweight & High Thrust-to-Weight Ratio:

    Crafted from premium Titanium Alloy, Aluminum Alloy, and Stainless Steel. The compact body minimizes vehicle payload weight while delivering high thrust output.

  • Multiple Integrated Protections:

    Features built-in electrical isolation between drive power and control signals, along with real-time over-temperature, over-current, and over-voltage protection to ensure safe and stable operation.

Applications

  • Autonomous Underwater Vehicles (AUV): Surveying, oceanographic research, and autonomous inspection platforms.

  • Remotely Operated Vehicles (ROV): Observation-class and work-class subsea vehicles for offshore oil & gas, defense, and salvage operations.

  • Unmanned Surface / Underwater Vehicles (USVs & Hybrid Platforms): Auxiliary propulsion and station-keeping modules.

Technical Specifications 

Parameter / Model PXT-40 PXT-100 PXT-150 PXT-300 PXT-500
Rated Power 400 W 1000 W 1.5 kW 3.0 kW 5.0 kW
Rated Voltage 48 VDC 48 VDC 48 VDC / 72 VDC 150 VDC / 300 VDC 300 VDC
Rated Speed 1,600 r/min 2,000 r/min 1,600 r/min 2,000 r/min 2,200 r/min
Rated Thrust 12 kgf 20 kgf 30 kgf 70 kgf 130 kgf
Working Depth 600 m 1,000 m 2,000 m 3,000 m 6,000 m
Operating Temp. ≤ 80 °C ≤ 80 °C ≤ 80 °C ≤ 80 °C ≤ 80 °C
Propeller Material Stainless Steel / Aluminum Alloy Stainless Steel / Aluminum Alloy Stainless Steel / Aluminum Alloy Stainless Steel / Aluminum Alloy Stainless Steel / Aluminum Alloy
Housing Material Aluminum Alloy Aluminum Alloy Titanium Alloy Titanium Alloy Titanium Alloy
Driver Type Integrated Internal / External Driver Integrated Internal / External Driver Integrated Internal / External Driver Integrated Internal / External Driver

 

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