Reliable Rotary Unions for Hydraulic Systems | Tianjin Uranus

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Tianjin Uranus: Reliable Rotary Unions for Smooth Hydraulic Operations

Tianjin Uranus: Reliable Rotary Unions for Smooth Hydraulic Operations

At Tianjin Uranus, we manufacture reliable rotary unions. Our rotary unions, which are used to connect rotating parts to fixed pipelines and ensure the continuous flow of hydraulic oil during rotation, play a vital role in applications such as the rotating platforms of construction machinery (like the oil circuit connection between the upper and lower parts of an excavator) and the cooling systems of machine tool spindles. We pay great attention to the sealing performance and durability of our rotary unions to ensure smooth hydraulic operations in rotating equipment.
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Why choose us?

Reliable Sealing Performance of Rotary Unions

Our rotary unions excel in reliable sealing performance, connecting rotating parts to fixed pipelines while allowing continuous hydraulic oil flow. The advanced sealing design prevents leaks and ensures smooth operation in rotating equipment like construction machinery and machine tool spindles. We prioritize sealing integrity for leak - free systems.

High - Speed and High - Pressure Capability

Designed for high - speed and high - pressure applications, our rotary unions withstand demanding operational conditions. They maintain reliable performance even at high rotational speeds and hydraulic pressures, making them suitable for heavy - duty industrial machinery. We ensure durability under extreme operating parameters.

Versatile Installation Options

With versatile installation options, our rotary unions adapt to different equipment configurations and mounting requirements. We offer various connection types and orientations to ensure seamless integration into existing systems. This flexibility simplifies installation and enhances compatibility across different applications.

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Tianjin Uranus Hydraulic Machinery Co., Ltd.'s high pressure rotary unions are engineered to withstand extreme hydraulic pressures up to 100 MPa, making them ideal for demanding industrial applications. Constructed from premium-grade alloy steel (such as 42CrMo4) with a tensile strength exceeding 1,100 MPa, the union bodies undergo quenching and tempering treatment to ensure structural integrity under high stress. The rotating shaft features a hard chrome plating (thickness 25-30μm) and surface induction hardening (60-65 HRC), providing exceptional wear resistance. Advanced multi-lip sealing systems, combining PTFE composites and spring-energized seals, create a dual-barrier mechanism that prevents leakage even at rotational speeds up to 5,000 RPM. These unions incorporate a stress-relieved design with finite element analysis-optimized flow channels to minimize pressure drop and thermal expansion. Suitable for high-pressure hydraulic presses, deep-sea submersible equipment, and aerospace testing facilities, our high pressure rotary unions undergo rigorous testing, including 1,000-hour endurance runs at 150% rated pressure. Custom configurations with flanged or threaded connections are available to meet specific installation requirements. Visit [https://www.uranustj.com/] for detailed technical specifications or contact our engineering team for application-specific solutions.

Frequently Asked Questions

How do you ensure the sealing performance of rotary unions?

We use advanced sealing materials and precision manufacturing techniques for our rotary unions. The seals are designed to withstand high pressures and rotational speeds while preventing hydraulic oil leakage. Rigorous testing is conducted to ensure long - lasting and reliable sealing performance.
Yes, our rotary unions are engineered to handle high - speed rotating applications. They are constructed with components that can maintain stability and proper sealing even at high rotational speeds, making them suitable for machinery like high - speed machine tool spindles.
Our rotary unions are designed to handle various hydraulic fluids, including mineral - based oils, synthetic oils, and water - glycol fluids. We can also provide models suitable for other special - purpose fluids upon request, ensuring compatibility with different systems.
It's recommended to inspect rotary unions for signs of leakage, wear, or abnormal noise at least once a month. For applications with high - intensity usage, more frequent inspections may be necessary. Regular maintenance helps extend the union's lifespan and ensures system reliability.

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Customer Reviews

Norman Graham

The rotary unions from Tianjin Uranus have solved our leakage issues in rotating equipment. The sealing performance is exceptional, and we've had no hydraulic oil leaks since installing them. The design allows for smooth rotation while maintaining a tight seal, which is crucial for our machinery's efficiency. We appreciate the high - quality construction that ensures long - lasting performance.

Beverly Murphy

We use these rotary unions in our high - speed machine tool spindles, and they perform flawlessly even at maximum rotation speeds. The ability to handle high pressures simultaneously is impressive, and we've noticed no degradation in performance over time. The precision manufacturing is evident, and we trust these rotary unions to keep our production lines running smoothly.

Allen Hunter

The durability of these rotary unions is remarkable. Made from high - quality materials, they have withstood years of continuous operation in our industrial machinery. The wear - resistant components require minimal replacement, and the overall construction resists corrosion and fatigue. We've reduced our maintenance costs significantly since switching to Tianjin Uranus' rotary unions.

Teresa Russell

When we needed to install rotary unions in a complex system, Tianjin Uranus' technical support was invaluable. Their engineers provided detailed installation guidelines and even assisted remotely during the setup. The unions fit perfectly, and the team's expertise ensured that we avoided common installation mistakes. A level of support that sets them apart from other suppliers.

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Reliable Rotary Unions for Seamless Hydraulic Fluid Transfer

Reliable Rotary Unions for Seamless Hydraulic Fluid Transfer

Our rotary unions are designed to provide reliable sealing when connecting rotating parts and fixed pipelines. They can ensure the continuous flow of hydraulic fluid during the rotation process, which is crucial for applications such as the rotating platforms of construction machinery (like the oil circuit connection between the upper and lower parts of an excavator) and the cooling systems of machine tool spindles. The high - quality sealing materials and precision - engineered structures ensure long - term stable operation, minimizing the risk of leakage and improving the overall efficiency and reliability of the hydraulic system.