Classification of rotary joints
Classification of rotary joint
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.
SKT high-speed rotary joint is known for its high precision, high speed, and excellent sealing performance. Targeting the complex installation environment and special working conditions required in industrial sites. This product aims to solve problems such as shaft diameter, pressure, temperature, or medium compatibility that cannot be matched with standard parts
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D20-003-210 is a D-series high-pressure low-speed rotary joint. This model is designed specifically for industrial fluid transmission and is mainly used to achieve reliable transportation of media such as hot water, steam, thermal oil, or compressed air between fixed pipelines and rotating components. Its core advantages lie in high reliability, long lifespan, and the ability to adapt to harsh working conditions, widely used in industries such as papermaking, printing, packaging, textiles, rubber, and plastic processing
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Pneumatic single channel stainless steel slip ring (also known as pneumatic rotary joint, pneumatic slip ring) is a precision mechanical device specifically used for transmitting compressed air or other gases between a fixed gas source and rotating components. This device supports 360 degree unrestricted continuous rotation and can maintain the sealing and stability of the gas path under high-speed rotation conditions
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SMW RJ-1 rotary joint is used for rapid replacement and high-precision positioning of machine tool fixtures. After it is inserted into the zero positioning base, it is driven by an internal spring to lock the steel ball, achieving axial tension and radial centering of the workpiece or fixture
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The 1109-020-188 rotary joint is a high-performance single channel high-speed rotary joint designed specifically for coolant or micro lubrication (MQL) applications. This model belongs to the 1109 series and is widely used in printing machinery, centrifugal pumps, and various high-speed rotating equipment due to its unique "disengagement" sealing technology and high reliability
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The 2620 series dual path high-speed rotary joint is a key fluid transmission component designed specifically for modern rubber and plastic machinery, especially tire forming machines, vulcanizing machines, and various high-speed rotary machine tool components
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The threaded flange connection high-temperature hydraulic multi-path high-pressure rotary joint is a key fluid transmission sealing device designed specifically for complex industrial environments. This equipment is mainly used to solve the problem of medium transmission between fixed pipelines and rotating components, and is particularly suitable for hydraulic transmission systems of hot rolling, cold rolling coiling machines, as well as heavy machinery such as uncoiler and spinning machines in the metallurgical industry
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The 250-685-445 rotary joint is a high-performance single flow self-supporting rotary joint designed specifically for hydraulic systems and other industrial fluid transmission applications. This model is known for its lightweight structure, low torque operating characteristics, and reliable sealing performance, and is widely used in working conditions that require high-speed rotation and high pressure
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1151-030-137 high-precision rotary joints feature optimized full-flow structure and premium wear-resistant sealing pairs. With low-torque rotation and outstanding dry-run tolerance, these industrial rotary joints deliver stable, leak-free coolant and oil mist transmission for long-cycle, high-RPM CNC spindle precision machining.
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The 1116 series high-speed rotary joint is a core component designed specifically for deep hole drilling (gun drilling) and high-pressure coolant applications in machining centers. It is mainly used to achieve stable transmission of coolant or compressed air during high-speed spindle rotation. Widely used in standard spindle interfaces such as BT40 and BT50
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The 2117-001-103 rotary joint is widely used in industrial scenarios that require high-precision medium transmission, including: Mechanical processing: internal cooling of machining center spindle, cooling system of gun drill/gun hinge machine tool. Automation equipment: industrial robots, rotating shafts for automated production lines.
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High speed rotary joint is an industrial key component used to transport fluid media (such as water, oil, gas, steam, etc.) from fixed pipelines to rotating equipment. Its core function is to ensure continuous and stable transmission of the medium while preventing leakage, streaming, or external pollution, and adapting to high-speed operating conditions.
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.
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