Rotary Systems Union

Please explore our complete collection of Rotary Systems Union solutions engineered for air, water, steam, oil, coolant, and hydraulic applications. Whether you’re upgrading OEM machines or sourcing rotary joint replacements, find the right union for your system here.

Shop by Category

Single-Passage Rotary Unions – Ideal for coolant or compressed air.
Multi-Passage Rotary Unions – Designed for hydraulic and pneumatic circuits.
High-Speed Rotary Unions – For CNC spindles and automated machinery.
High-Temperature Rotary Unions – Withstand thermal cycling in steam or oil.
Custom Rotary Systems Union – Engineered-to-order sealing solutions.

Applications Across Industries

Automotive – Tire curing presses, robotic arms
Packaging – Filling machines, label applicators
CNC Machining – Coolant transfer, high-speed spindles
Paper & Printing – Dryer cylinders, ink delivery
Oil & Gas – Drilling equipment, coiled tubing reels
Food & Beverage – Bottle washers, rotary tables

Why Choose Our Rotary Systems Union Products?

Leak-Free Performance – Advanced seal technologies ensure minimal wear and zero leakage.
Versatile Media – Support Compatible with water, air, steam, oil, hydraulic fluid, and more.
Durable Build Materials – Stainless steel, carbon steel, aluminum, or brass options.
High-Speed Compatibility – Up to 20,000 RPM for precision motion systems.
Customization Available – We tailor unions to meet unique OEM or MRO needs.

Top-Selling Rotary Systems Unions

1. High-Pressure Rotary Union for Hydraulic Oil

Port Size: 1/2” NPT
Material: Nickel-plated carbon steel
Max Pressure: 4000 PSI
Features: Dual flow passages, replaceable seals

2. Rotary Union for Coolant Applications

Speed: Up to 15,000 RPM
Sealing: Mechanical seal with graphite-carbon face
Media: Coolant, water, light oil

3. Multi-Passage Rotary Union with Slip Ring

Channels: 4 hydraulic + electrical slip ring
Application: Packaging line robots

Compatible Media & Configurations

Water & Coolant– High-speed single-passage
Steam– High-temperature rotary unions
Hydraulic Oil– Multi-channel high-pressure
Vacuum– Low-torque mechanical seal
Air – PTFE-sealed aluminum unions

Explore by Specifications

Port Sizes: 1/8” to 3” NPT, BSP, or custom threads
Seal Types: Mechanical seals, lip seals, labyrinth seals
Passages: 1 to 12 independent flow paths
RPM Range: 0 – 20,000 RPM
Pressure Range: Up to 7,000 PSI

Custom Rotary Systems Unions

Need a tailored rotary joint? We offer:
Design consultation for OEMs
CAD drawing & prototyping
Custom shaft sizes, port configurations
Fast lead time for urgent MRO needs

FAQs about Rotary Systems Union

Q1: What is a Rotary Systems Union used for?

A: It’s a mechanical device that transfers fluid or air from a stationary input into a rotating part without leakage or pressure loss.

Q2: Can I use one union for both air and hydraulic fluid?

A: Multi-passage unions can handle different media types simultaneously, provided seals are compatible.

Q3: How do I select the right rotary union?

A: Consider media type, pressure, speed, number of flow paths, and environmental conditions. Or contact us for expert advice.

🚀 Fast Shipping

We stock hundreds of models ready for immediate shipment worldwide. Trusted by OEMs, integrators, and repair shops across North America, Europe, and Asia.