Hydraulic Stainless Steel Rotary Union Manufacturers

Description

Stainless Steel Rotary Union – High-Performance Swivel Connector for Industrial Applications

Our stainless steel Rotary Union is engineered to perform superiorly in demanding industrial applications. Crafted from premium AISI 316 stainless steel, this rotary joint offers exceptional durability, corrosion resistance, and operational efficiency. Its flanged design ensures secure connections, making it an ideal choice for applications requiring reliable fluid conveyance under rotating conditions. Designed to provide a reliable fluid transfer between stationary and rotating components, this rotary union ensures leak-free operation under high-pressure and temperature conditions. Crafted from corrosion-resistant stainless steel, it offers exceptional durability and longevity, making it ideal for water, steam, oil, air, and other industrial fluids.

A stainless steel flange rotary joint pipe is a crucial component in various industrial piping systems. The swivel joint allows smooth rotation between two piping sections. Furthermore, it ensures a secure connection during movement. It also maintains a leak-proof seal under pressure. As a result, the system operates safely and efficiently. Made from high-quality stainless steel, this type of joint pipe offers excellent resistance to corrosion, high temperatures, and high pressures, making it suitable for a wide range of harsh industrial environments.

 

Key Feature of Stainless Steel Rotary Union

High-Quality Material​

Stainless Steel Construction: We use premium-grade stainless steel, such as 304 or 316, to produce the pipe. These materials provide excellent corrosion resistance, which is vital in environments exposed to moisture, chemicals, or other corrosive substances. Moreover, in chemical processing plants where corrosive liquids and gases are frequently handled, the stainless steel construction ensures long-term durability and reliable performance of the joint pipe.
Strength and Durability: Stainless steel has high tensile strength, allowing the joint pipe to withstand high-pressure conditions. Whether in a hydraulic system that operates at high pressures or a steam pipeline where pressure fluctuations are common, the pipe can maintain its structural integrity over an extended period. This reduces the need for frequent replacements, saving both time and money in maintenance and operational costs.​

Flange Design​

Easy Installation: The flange connection design of the rotary joint pipe makes installation and 拆卸 relatively simple. Engineers commonly use flanges in piping systems because they offer a standardized and reliable method for connecting different pipe sections. By using the proper tools and following standard installation procedures, they can quickly attach the joint pipe to the existing piping network. Furthermore, this efficient process helps minimize downtime during system setup or maintenance.
Secure Connection: The flanges are designed to form a tight seal when bolted together. This ensures that there is no leakage of the fluid or gas passing through the pipe. In applications that involve transporting expensive, toxic, or flammable fluids, engineers prioritize secure connections to prevent environmental pollution, safety hazards, and material waste.

Rotary Functionality​

Smooth Rotation: The rotary joint allows for 360-degree smooth rotation between the connected piping sections. This is particularly useful in applications where one part of the piping system needs to move relative to another, such as in rotating machinery, conveyors, or swivel joints in industrial equipment. For instance, in a rotary dryer, engineers connect the rotating drum to a stationary steam supply pipe using a rotary joint, which enables a continuous steam supply while allowing the drum to rotate freely.
Reduced Wear and Tear: The design of the rotary joint minimizes friction between the rotating parts. It may incorporate bearings or other lubricated components to ensure smooth movement and reduce wear. This not only extends the service life of the joint pipe but also contributes to the overall reliability of the piping system. Less wear and tear means fewer breakdowns and less frequent maintenance, improving the efficiency of the industrial process.​

Versatile Applications​

Wide Range of Industries: Engineers can use the stainless steel flange rotary joint pipe across various industries, including chemical, petroleum, power generation, food and beverage, and manufacturing. In the food and beverage industry, where hygiene is of utmost importance, the stainless steel material is easy to clean and maintain, meeting the strict sanitary standards. In the power generation sector, it handles high-temperature, high-pressure steam in steam turbine systems.
Diverse Fluid Compatibility: It is compatible with a wide range of fluids, including water, steam, oil, chemicals, and gases. Engineers can customize the stainless steel grade—such as 304 or 316—based on the specific fluid and environmental conditions to ensure optimal performance and compatibility. For example, they often select 316 stainless steel for applications involving seawater or highly corrosive chemicals because it offers superior corrosion resistance compared to 304 stainless steel.

Quality Assurance​ of Stainless Steel Rotary Union

1 Manufacturing Processes​

The production of the stainless steel flange rotary joint pipe involves a series of strict manufacturing processes. These include cutting the stainless steel pipes to the required length, machining the flanges to the precise dimensions and surface finishes, assembling the rotary joint components, and performing various tests to ensure the quality and functionality of the product.​

2 Testing Procedures​

2.1 Pressure Testing

Technicians pressure-test each joint pipe to ensure it withstands the specified maximum working pressure without leakage. They fill the pipe with a suitable fluid, such as water or air, then apply pressure up to the test level—typically higher than the maximum working pressure—and monitor for any signs of leakage or deformation.

2.2 Leakage Testing

Technicians also perform leakage testing using methods such as bubble testing for air-filled pipes or sensitive leak detection instruments. This ensures that the seal between the flanges and the rotary joint is tight and that there is no leakage of the fluid or gas passing through the pipe.​

2.3 Rotation Testing

The rotary functionality of the joint pipe was tested to ensure smooth rotation at the specified speed and without any abnormal noise or vibration. This is important to ensure that the joint pipe can operate efficiently in the intended applications.​

3 Quality Certifications​

The product holds various quality certifications, such as ISO 9001. It also complies with relevant industry standards and regulations, providing customers with confidence in the product’s quality and safety.

Applications​ of Stainless Steel Rotary Union

1 Chemical Industry​

In chemical processing plants, these joint pipes are used in reactors, distillation columns, and heat exchangers. They allow for the rotation of agitators in reactors while maintaining a tight seal to prevent the leakage of corrosive chemicals. For example, in the production of pharmaceuticals, where precise control of chemical reactions is essential, the reliable performance of the rotary joint pipe ensures the safety and quality of the production process.​

2 Petroleum and Gas Industry​

In oil refineries and gas processing plants, they use pipelines that connect rotating equipment such as pumps, compressors, and storage tanks. Stainless steel’s high-pressure and high-temperature resistance make it essential for harsh environments where petroleum products and gases are handled. It also protects equipment on offshore drilling platforms from saltwater and other corrosive elements, allowing the joint pipes to withstand these challenging conditions.

3 Power Generation​

In thermal power plants, the rotary joint pipes are used in steam turbines and boiler systems. They facilitate the connection between the rotating turbine shafts and the stationary steam pipes, allowing for the efficient transfer of steam while accommodating the rotational movement. In nuclear power plants, where safety is of the highest priority, the reliable sealing and durability of these joint pipes are essential for the proper functioning of the cooling systems and other piping networks.​

4 Food and Beverage Industry​

In food processing facilities, such as breweries, dairies, and canning plants, the stainless steel construction of the joint pipes meets the strict hygiene standards. Industries use them in conveyor systems, mixing tanks, and filling machines, where smooth rotation and easy cleaning are essential. For example, in a bottling plant, operators use rotary joint pipes to connect rotating bottle-filling heads to stationary liquid supply pipes, ensuring a continuous and hygienic beverage flow.

5 Manufacturing Industry​

In manufacturing plants, they are used in various types of machinery, such as printing presses, textile machines, and packaging equipment. In a printing press, the rotary joint pipes can be used to supply ink or cooling fluids to the rotating cylinders, allowing for smooth operation and high-quality printing. Textile machines help in the rotation of rollers and other moving parts, ensuring the continuous production of fabrics.

FAQ of Stainless Steel Rotary Union

Q: What is the difference between 304 and 316 stainless steel for these joint pipes?​
A: 304 stainless steel is a general-purpose stainless steel with good corrosion resistance in most normal environments. 316 stainless steel contains molybdenum. Molybdenum improves corrosion resistance. It performs well in harsh environments. Seawater does not easily corrode it. Chlorides have less effect on it. It resists damage from certain chemicals. This makes it stronger than 304. Use it where conditions are aggressive. It lasts longer in salty air. The choice between the two depends on the specific application conditions.​
Q: Can these joint pipes be used for high-temperature applications?​
A: Yes.​ Stainless steel resists high temperatures well. These joint pipes work within a set temperature range. Always check the model’s technical specs. Make sure the joint suits your high-temperature needs. Different models handle heat differently. Confirm the maximum operating temperature. Choose the right joint for your application. Using the wrong joint can cause failure. High heat demands proper material selection. Verify all performance data before installation.
Q: How do I choose the correct flange standard for my piping system?​
A: We offer joint pipes with flanges that comply with various international standards. Please consult with our technical team or provide the details of your existing piping system’s flange standards, and we will help you choose the appropriate product.​
Q: Can I get a custom-made stainless steel flange rotary joint pipe with specific dimensions?​
A: Yes, we offer customization services for dimensions, flange standards, and other specifications to meet your specific needs. Please contact our sales team with your requirements, and we will provide you with a customized solution.