high speed swivel union

High speed rotary joint is a fluid transmission sealing device designed specifically for high-speed working conditions. Its core function is to transport the medium (water, oil, gas, etc.)

high speed swivel union
Precision Rotary Joints & Unions for Industrial Fluid Transfer

Choose any application — steam, water, oil, air, or chemical — and we’ll engineer the perfect rotary joint solution for you.

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.

Central water outlet deep hole drilling rotary joint

Central water outlet deep hole drilling rotary joint

The center outlet rotary joint is a precision sealing device designed to transport coolant and other fluids from a stationary pipeline to the center hole of a high-speed rotating spindle without leakage. Its core solution is to solve the medium transmission problem of internal cooling and tool loosening action in deep hole machining

detail
1117-404-406 swivel union

1117-404-406 swivel union

1117-404-406 is a 1117 series bearingless closed sealed rotary joint, designed for single channel transmission of coolant or MQL (micro lubrication). Its core features include full flow design, silicon carbide balanced mechanical seal, and anodized aluminum shell, suitable for high-speed automatic lines and machine tool spindle cooling scenarios.

detail
1117-058-116 swivel union

1117-058-116 swivel union

1117-058-116 is a 1117 series bearingless "closed sealed" rotary joint, specifically designed for high-speed machine tool coolant or MQL micro lubrication delivery, using an axial connection configuration

detail
902-111-165 swivel union

902-111-165 swivel union

902-111-165 is a 902 series "detachable" single channel rotary joint, designed specifically for coolant or micro lubrication (MQL) conditions. Its core features include support for pressure free infinite dry operation and full flow anti clogging design. ‌‌

detail
902-121-188 rotary joint

902-121-188 rotary joint

902-121-188 is a 902 series single channel "detachable" rotary joint, designed for conveying cutting fluid or MQL oil mist at high speeds and supporting pressure free dry operation

detail
2620-500-252 rotary joint

2620-500-252 rotary joint

2620-500-252 rotary joints are high-precision dual-channel rotary connectors designed for industrial high-speed precision machining equipment. Adopting balanced pressure sealing technology, low-resistance bearing assembly and high-strength integrated structure, these rotary joints support 360° uninterrupted high-speed rotation, realizing stable, low-heat and leak-free transmission of cooling water and hydraulic oil for CNC machine tools and automated processing systems.

detail
967-950 swivel union

967-950 swivel union

High speed spindle center water outlet rotary joint: a fluid medium conveying product developed using a "detachable seal" structure, deep hole machining, and automation control applications. Its function is to transfer fluid (gas or liquid) medium from a relatively stationary pipeline to rotating components.

detail
2620-042-940 swivel unions

2620-042-940 swivel unions

2620-042-940 is a dual channel high-speed gas/liquid rotary adapter designed specifically for cold operation and dual channel same medium transmission conditions such as machine tool spindles and rotating cylinders. ‌‌

detail
2620-000-157 swivel unions

2620-000-157 swivel unions

Optimize your machinery with 2620-000-157 swivel unions for efficient fluid power transmission. Connects with hydraulic and hose fittings for versatile, reliable performance.

detail
Hydraulic swivel unions introduction

Hydraulic swivel unions introduction

Hydraulic rotary joint is a rotary sealing device used to transmit fluid media in low-speed and high-pressure hydraulic systems. It can continuously transport hydraulic oil, cutting fluid and other media between fixed pipelines and rotating equipment, and is widely used in machining centers, engineering machinery, wind power generation and other equipment

detail
Cooling water swivel unions

Cooling water swivel unions

Designed for assemblies that require smooth rotation and dependable connection performance, the a10-1772-05l swivel union helps reduce hose stress, simplify installation, and support consistent fluid or air transfer in compatible systems

detail
Why SD-SWIVELES

Precision Rotary Joints · Quality Driven Innovation

From 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.

Precision Machining · Micron Tolerances

High-precision CNC machining centers with micron-level tolerances ensure rotational stability and seal integrity, even at high speeds and demanding operating conditions.

High-Performance Materials · Corrosion Resistant

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.

Advanced Sealing · Low Leakage · Long Life

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.

Engineering Experts · Custom Solutions

20+ years of rotary joint engineering experience — offering customized design, sizing guidance, material selection, and on-site technical support for your specific application.

Production Excellence

Production Excellence & Quality Assurance

SDSWIVELES integrates 20 years of engineering experience with German-inspired quality management systems to form a standardized production process for precision rotary joints.

Standardized Production Process

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.

Independent Quality Inspection

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.

Batch Consistency & Reliability

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.

Tailored Solutions

Solutions for Every Industry & Application

In the dynamic world of industrial manufacturing, every operation faces unique challenges. At SDSWIVELES, we tailor our engineering expertise to empower your success.

Established Manufacturers

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.

OEM & Machine Builders

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.

Startups & New Ventures

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.

Ready to Request?

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