ROTARY UNIONS
Complete Guide to Rotary Joints for Industrial Fluid Transfer
Seal Max Sealing Solution offers high-performance rotary unions, also known as rotary joints, for the reliable transfer of fluids and gases from stationary supply lines to rotating equipment. Our rotary unions are designed to support continuous fluid flow while helping reduce leakage, improve equipment efficiency, and minimize maintenance downtime.
These solutions are suitable for water, air, steam, thermal oil, hydraulic oil, coolant, and other process media used in industrial machinery.
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Types of Rotary Unions
| Rotary Union Type | Description | Suitable Applications |
|---|---|---|
| Mono Flow Rotary Union | Designed with a single passage for transferring one fluid stream to rotating equipment. | Water circulation systems, rollers, cooling systems and process machinery |
| Dual Flow Rotary Union | Provides separate inlet and outlet passages for efficient fluid circulation. | Cooling rollers, heat exchangers, thermal control systems and industrial equipment |
| High-Temperature Rotary Union | Designed for steam, hot water and thermal oil applications at elevated temperatures. | Drying cylinders, textile machinery, paper machines and industrial dryers |
| Air Rotary Union | Transfers compressed air to rotating machinery with reliable sealing performance. | Pneumatic equipment, automation systems, packaging machinery and rotary tables |
| Water Rotary Union | Supports continuous transfer of cooling water and process water. | Cooling systems, injection moulding machines, paper mills and process equipment |
| Oil Rotary Union | Suitable for lubricating oil and thermal oil transfer applications. | Lubrication systems, thermal oil circulation and industrial machinery |
| Hydraulic Rotary Union | Transfers hydraulic fluid under pressure while allowing continuous rotation. | Construction equipment, material handling systems and hydraulic machinery |
| High-Pressure Rotary Union | Designed for demanding applications involving elevated operating pressure. | High-pressure cleaning systems, hydraulic systems and process industries |
| High-Speed Rotary Union | Engineered for stable operation at high rotational speeds. | CNC machines, machine tools, spindles and precision manufacturing equipment |
| Multi-Passage Rotary Union | Allows multiple fluids, air lines or media to pass through one rotating interface. | Automation systems, robotics, packaging machinery and complex production equipment |
| Coolant Rotary Union | Designed for coolant transfer in machine tools and machining operations. | CNC machining centres, grinding machines, metal cutting equipment and spindles |
Common Applications
Rotary unions are widely used in rollers, drums, drying cylinders, cooling rollers, machine tools, CNC spindles, hydraulic systems, mixers, agitators, heat exchangers, packaging machines, paper machines, textile machinery, steel processing equipment, and industrial dryers.
Choose the Right Rotary Union
For accurate rotary union selection, share the fluid type, operating temperature, pressure, rotational speed, number of passages, connection size, and equipment details. Seal Max Sealing Solution can help identify a suitable rotary union for reliable and efficient fluid transfer.
Rotary Union Product Details
| Property | Details |
|---|---|
| Product Name | Rotary Union / Rotary Joint |
| Main Function | Transfers fluid, gas or thermal media from a stationary source to rotating equipment. |
| Suitable Media | Water, air, steam, thermal oil, hydraulic oil, coolant and process fluids. |
| Applications | Rollers, drums, dryers, spindles, machine tools, mixers, agitators and hydraulic equipment. |
| Flow Options | Mono flow, dual flow and multi-passage configurations. |
| Operating Conditions | Available for standard, high-temperature, high-pressure and high-speed applications. |
| Material Options | SS 304, SS 316, carbon steel, brass, aluminium and other suitable materials. |
| Seal Options | Carbon, ceramic, silicon carbide, tungsten carbide, NBR, Viton, EPDM and PTFE. |
| Customisation | Available as per media, pressure, temperature, RPM, connection size and equipment requirement. |
Why Choose Seal Max Sealing Solution?
Seal Max Sealing Solution provides dependable rotary unions designed to support efficient fluid, gas, steam, oil, and coolant transfer in industrial rotating equipment. Our solutions are selected to meet specific operating conditions such as media type, pressure, temperature, rotational speed, connection size, and equipment design.
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