rotating unions
rotating unions Refers to a mechanical device that allows fluid to be transmitted between rotating components, such as the rotary joint in a hydraulic system, which can prevent pipeline entanglement.
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.
Internal thread high-speed rotary joint is a fluid dynamic sealing device designed specifically for high-speed working conditions, which uses internal...
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The high-speed rotary joint of the machine tool spindle is a fluid sealed transmission component designed specifically for CNC machine...
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The CNC machining center water outlet rotary joint is a high-speed fluid sealed transmission device designed specifically for the internal...
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Deep hole drilling high-speed rotary joint is a key fluid dynamic sealing device designed specifically for deep hole machining machines...
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The 902 series is a single channel "detachable" rotary joint designed for machine tool coolant or MQL (micro lubrication) working...
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The clutch intake rotary joint for ball mills is a key fluid dynamic sealing device that connects a fixed gas...
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Rotating joint for semiconductor ECD equipment
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Semiconductor cutting machine high-speed rotary joint
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Semiconductor CMP wafer polishing dedicated rotary head
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Pneumatic 304 stainless steel high-speed rotary joint is an industrial sealing device dedicated to transporting compressed air and other gas...
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The 1108-844-835 rotary joint belongs to its precision fluid transmission series, designed specifically to meet the stable transmission of coolant...
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Stainless steel 304 high-speed and high-pressure rotary union is a key industrial sealing device used for continuous and sealed transmission...
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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