The classification of swivel unions includes: water type, steam type, oil type, pneumatic type, special medium type, and so on
Swivel Unions is a fluid dynamic sealing connection device, whose core function is to transport media (liquids, gases, steam, etc.) from fixed pipelines to equipment that rotates or swings continuously 360 ° without leakage.
Below are our most trusted rotary joint series, available for standard or custom-engineered orders. As a manufacturer specializing in precision rotary sealing technology, SD SWIVELES Engineering Co., Ltd. brings together a dedicated team of certified mechanical engineers, application specialists, and production experts, each with decades of hands-on experience in the R&D of fluid transfer systems for paper, steel, rubber, plastic, and chemical processing industries.
1154-002-109 is 1154 series bearingless rotary joint. This series of products is designed for high-speed and high-precision fluid transmission applications, using an innovative bearingless structure that eliminates the mechanical bearing support in traditional rotary joints, significantly reducing frictional resistance and achieving extremely high speed performance
detail
1154-003-136 rotary joint belongs to the 1154 series compact bearingless automatic induction high-speed rotary joint. This model is designed specifically for the spindle internal cooling system of modern CNC machine tools, especially horizontal machining centers (HMC). Its core advantage lies in the use of patented AutoSense ™ Automatic sensing technology can automatically adjust the sealing mode according to the type of medium and pressure state, achieving efficient and reliable fluid transmission.
detail
The "disengagement" technology can achieve unlimited dry operation without medium pressure. 1109-011-165 is a 1109 series "Breakaway" hole installation type center outlet rotary joint
detail
1109-021-188 is a 1109 series high-speed center outlet rotary joint produced by Deublin Corporation in the United States. This model is designed specifically for machine tool spindle cooling, micro lubrication (MQL), and high-precision machining applications, with high speed, high pressure bearing capacity, and excellent sealing performance.
detail
1109-041-188 is a high-performance single channel rotary joint belonging to the Deublin 1109 series. This series of products is designed specifically for high-speed, high-precision machine tool spindle coolant or micro lubrication (MQL) applications. Its core feature is the use of patented "pop off" technology, which allows unrestricted dry operation without medium pressure, effectively preventing premature wear of the sealing surface due to friction during tool change or shutdown
detail
1109-010-165 is a high-performance "Pop Off" produced by Deublin Corporation in the United States ™） Single channel rotary joint. This model is designed specifically for the application of spindle coolant delivery and micro lubrication (MMS) in machine tool machining centers. It has extremely high speed adaptability and sealing reliability, and is widely used in the field of precision machining.
detail
1109-040-188 high-precision swivel unions are specially designed for CNC machine tool spindle systems. Featuring low-torque operation, anti-clog flow channels and premium wear-resistant seals, they deliver stable, leak-free coolant and oil mist transmission for continuous high-speed precision machining.
detail
1109-014-196 rotary joint is a high-performance hole mounted center outlet rotary joint. This series of products is designed specifically for high-speed and high-pressure working conditions and is widely used in CNC machine tools, machining centers, and precision manufacturing equipment
detail
1109-024-212 is a single channel rotary joint designed specifically for machine tool coolant or micro lubrication (MQL/MMS) applications.
detail
The 1109-044-212 rotary joint is mainly used to transfer fluid media between fixed pipelines and rotating components. This model belongs to the 1109 series and is commonly used in industries such as industrial manufacturing, papermaking, printing, plastic processing, and steel.
detail
109-013-196 is a bearing "disengagement" type coolant rotary joint used for CNC machining centers and automated production lines. Specially designed for high-speed and high-pressure coolant applications.
detail
1109-023-212 high-speed rotary joints are professionally engineered for deep hole drilling machining. Featuring high-pressure resistance, anti-clog flow channels and durable sealing, they support stable long-distance coolant delivery for deep hole drilling high-precision processing.
detailFrom precision machining to seal testing, every step follows international standards (ISO 9001, CE, ATEX) — delivering reliable fluid transfer solutions for paper, steel, chemical, rubber, and plastics industries.
High-precision CNC machining centers with micron-level tolerances ensure rotational stability and seal integrity, even at high speeds and demanding operating conditions.
316L stainless steel, alloy steels, silicon carbide, and carbon graphite — selected for maximum corrosion resistance, wear resistance, and compatibility with steam, hot oil, water, and air.
Balanced seal design with silicon carbide/graphite seal rings delivers ultra-low leakage rates under high-temperature and high-pressure conditions, ensuring extended service life and reduced maintenance.
20+ years of rotary joint engineering experience — offering customized design, sizing guidance, material selection, and on-site technical support for your specific application.
SDSWIVELES integrates 20 years of engineering experience with German-inspired quality management systems to form a standardized production process for precision rotary joints.
Every rotary joint undergoes a documented manufacturing sequence: precision CNC machining, seal face lapping, assembly, and final inspection. Each unit is traceable with individual quality records and serialized documentation.
Our quality department operates with full independence and authority to halt production if standards are not met. Dimensional tolerances are verified to ±0.01mm, and all units are pressure-tested to 1.5x working pressure before shipment.
Triple validation: "dimensional reports + material certifications + performance test records." Product qualification rates remain stable above 99%, eliminating performance variations and ensuring long-term operational reliability.
In the dynamic world of industrial manufacturing, every operation faces unique challenges. At SDSWIVELES, we tailor our engineering expertise to empower your success.
We help you optimize existing equipment with upgraded rotary joint solutions that reduce downtime, improve energy efficiency, and lower maintenance costs. Whether you need to replace aging components, enhance performance while meeting stricter industry standards, or adapt to evolving production demands — we deliver solutions that keep your operations running.
Stand out in a competitive market with custom-engineered rotary joint solutions that integrate seamlessly with your equipment designs. We support custom connection configurations, material specifications, compact form factors, and performance validation — helping you deliver reliable machinery to your customers.
Turn your engineering concept into reliable, production-ready hardware with our end-to-end partnership. From application analysis, material selection, prototyping, manufacturing oversight, to compliance testing — we guide you through every step of your journey from idea to implementation.
Get expert guidance on the right formulation for your brand — standard or custom-engineered, with low MOQ and free sample support.
Request a Free Sample