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.
Industrial-grade 1111-002-105 high-speed rotary joints with outstanding rotational stability and durable high-speed adaptability. Widely used in automated rotary platforms, high-cycle pneumatic machinery, precision industrial equipment and high-speed fluid transmission rotary connection applications.
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1109-929-930 high-speed rotary joints are specialized precision rotary connection components for industrial high-cycle fluid and pneumatic systems. Featuring ultra-low torque rotation, high dynamic balance performance, wear-resistant sealing structure and stable pressure resistance, this dedicated model maintains continuous leak-free operation under long-term high-speed rotation, ensuring efficient and reliable medium transmission for automated high-speed rotating equipment.
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A Right Angle High Speed Rotary Joint is a precision industrial component used to transport fluid media (such as water, compressed air, hydraulic oil, steam, or heat transfer oil) from fixed pipelines to rotating equipment
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High speed and high-pressure hydraulic 360 degree rotary joint is a closed rotary connector that can operate stably in unconventional speed and pressure environments
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Sanitary grade pipeline rotary joints and quick change clamp rotary joints are two key components. The former solves the problem of dynamic rotary sealing, while the latter provides static or semi dynamic quick disassembly and assembly connections
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The dual channel universal hydraulic 1890-060 rewinder slitting machine rotary joint is particularly suitable for rotating equipment that requires simultaneous input and output of two different media (such as hydraulic oil inlet and outlet, coolant circulation, etc.)
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The 360 degree rotating high-pressure rotary joint used in multi-channel slip ring automation equipment is a key mechanical sealing device that connects a fixed gas supply source with a rotating actuator
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A dual channel hydraulic oil pressure high-speed rotary joint is a mechanical sealing device used to transfer two different fluid media (usually two independent hydraulic oil circuits, or one oil and one water/air) from a stationary pipeline to a rotating component
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Pneumatic rotary joint through-hole slip rings are integrated hollow rotary connection components combining pneumatic transmission and slip ring signal conduction. Featuring central through-hole design, low-resistance smooth rotation, reliable gas sealing and stable signal transmission, these composite slip ring rotary joints realize synchronous non-interfering delivery of pneumatic media and control signals, meeting multi-functional connection demands of rotating automated equipment.
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555-385-765 is a high-performance high-speed rotary joint, belonging to the 555 series universal product. This model is designed to meet the requirements of high-speed and high-precision fluid transmission, and is widely used in industrial fields that require extremely high sealing and stability
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1101-632-343 high-speed rotary joint is designed for high-precision and high-speed working conditions, mainly used to transport coolant or micro lubricating (MQL) media from stationary pipelines to rotating components
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4-in-4 pneumatic rotary joint (also known as slip ring or multi-channel rotary joint) is a precision mechanical device used to transmit compressed air, vacuum, or other gas media between fixed and rotating components
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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