The Global Hydraulic Rotary Unions Market was valued at USD 629 million in 2023 and is projected to reach USD 864.75 million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 3.60% during the forecast period (2024–2032). This growth is driven by increasing industrial automation, expanding offshore energy applications, and the rising demand for precision fluid transfer solutions across manufacturing sectors.
As factories and processing plants worldwide adopt more advanced rotating equipment, hydraulic rotary unions have become mission-critical components for transferring pressurized fluids in dynamic systems. In this analysis, we profile the Top 10 Companies in the Hydraulic Rotary Unions Industry—innovators enabling reliable fluid transfer in applications from wind turbines to semiconductor manufacturing.
🔟 1. Deublin Company
Headquarters: Waukegan, Illinois, USA
Key Offering: Multi-circuit rotary unions, high-speed rotating joints
With over seven decades of experience, Deublin has established itself as the global benchmark for rotary union technology. The company serves heavy industries including steel production, paper manufacturing, and renewable energy.
Technological Advantages:
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Patented sealing systems for pressures up to 5,000 psi
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High-temperature designs operating at 750°F continuous duty
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Custom configurations for unique industrial applications
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9️⃣ 2. Moog Inc.
Headquarters: East Aurora, New York, USA
Key Offering: Aerospace-grade rotary feedthroughs
Moog’s military and aerospace heritage brings exceptional reliability standards to its rotary union solutions. The company specializes in mission-critical fluid transfer for defense and space applications.
Technological Advantages:
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Zero-leak designs for aircraft hydraulic systems
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Integrated electric slip ring solutions
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Advanced material science for extreme environments
8️⃣ 3. DSTI (Dynamic Sealing Technologies, Inc.)
Headquarters: Cuyahoga Falls, Ohio, USA
Key Offering: Ultra-high pressure rotary unions
DSTI pushes the boundaries of fluid transfer technology with solutions for the most demanding industrial and test applications in energy and manufacturing sectors.
Technological Advantages:
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10,000+ psi pressure capability
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10,000 RPM continuous operation
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Advanced mechanical seal technology
7️⃣ 4. BGB Innovation
Headquarters: Köngen, Germany
Key Offering: Wind turbine rotary joints
BGB stands at the forefront of renewable energy fluid transfer solutions, providing specialized rotary unions for wind power generation and other clean energy applications.
Technological Advantages:
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Seawater-resistant materials for offshore installations
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Integrated condition monitoring systems
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20+ year design life for wind applications
Download FREE Sample Report: Hydraulic Rotary Unions Market – View in Detailed Research Report
6️⃣ 5. SENRING Electronics
Headquarters: Shenzhen, China
Key Offering: Compact rotary unions for automation
SENRING has emerged as the leading Asian manufacturer of space-saving rotary unions for robotics, packaging lines, and semiconductor manufacturing equipment.
Technological Advantages:
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Miniature designs under 1″ diameter
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Quick-disconnect interfaces
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Cost-optimized high-volume production
5️⃣ 6. IC Fluid Power
Headquarters: Eastleigh, United Kingdom
Key Offering: Heavy-duty hydraulic swivels
IC Fluid Power serves European industrial markets with robust rotary unions designed for mining equipment, material handling, and offshore applications.
Technological Advantages:
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Cartridge-based sealing systems
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Subsea-rated designs
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Fast-replacement maintenance features
4️⃣ 7. MOFLON
Headquarters: Shenzhen, China
Key Offering: Electro-hydraulic rotary unions
MOFLON provides integrated solutions combining hydraulic fluid transfer with electrical signal transmission for smart factory automation systems.
Technological Advantages:
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Combined power/data/fluid channels
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Industrial IoT monitoring capabilities
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Robotic tool changer interfaces
3️⃣ 8. Kadant Inc.
Headquarters: Westford, Massachusetts, USA
Key Offering: Process industry rotary joints
Kadant delivers rugged rotary union solutions for continuous process industries including paper manufacturing, steel processing, and energy generation.
Technological Advantages:
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Sealed-for-life bearing systems
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High-volume manufacturing scale
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Global technical support network
2️⃣ 9. Vektek
Headquarters: Emporia, Kansas, USA
Key Offering: Rotary hydraulic manifolds
Vektek specializes in complex rotary hydraulic circuits for machine tool applications, combining multiple fluid paths in compact rotating assemblies.
Technological Advantages:
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Integrated valve and manifold designs
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Tool-changer compatible interfaces
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Energy recovery systems
1️⃣ 10. Rotary Systems Inc.
Headquarters: Minneapolis, Minnesota, USA
Key Offering: Modular rotary unions
Rotary Systems pioneered configurable fluid transfer solutions with interchangeable components that can be rapidly adapted to specific application requirements.
Technological Advantages:
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Mix-and-match modular system
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Broad material compatibility
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Compact footprint designs
Get Full Report Here: Hydraulic Rotary Unions Market – View in Detailed Research Report
🌍 Outlook: Smart, Reliable Fluid Transfer Evolution
The hydraulic rotary unions market is being transformed by Industry 4.0 technologies and material science advancements, creating more intelligent and durable solutions.
📈 Market-Shaping Developments:
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IoT-enabled condition monitoring for predictive maintenance
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Advanced composite materials extending service life
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Increasing miniaturization for collaborative robotics
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Growing offshore wind farm deployments
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Higher performance standards in semiconductor fabrication
Market Segmentation Insights
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By Type: Multi-passage (60% market share) vs. single-passage unions
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By Application: Wind energy (25% CAGR), robotics (30% CAGR), heavy industry
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By Region: Asia-Pacific (4.3% CAGR), Europe (renewables focus), North America (3.1% CAGR)
Get Full Report Here: Hydraulic Rotary Unions Market – View in Detailed Research Report
The companies profiled represent the engineering vanguard developing the fluid transfer technologies that keep global industry in motion.