Rotary Unions
Fluid transfer across rotating interfaces.
ALFACOM ENGINEERING LTD.
Rotary Unions and Swivel Joints
Rotary unions and swivel joints transfer fluid between components with relative rotational movement. Selection must account for the process fluid and operating conditions together with rotation speed, installation arrangement and sealing requirements.
Rotary Unions and Swivel Joints · Illustrative image
THE PRODUCT RANGE
Explore the Range
Explore the equipment and selection topics below, then review the detailed catalogue for the selected product.
Explore the English catalogue-family index below and review the ALFACOM-hosted ROTOFLUID technical document.
Swivel Joints
Connections for components with relative rotational movement.
Seals & Operating Conditions
Review fluid, speed, pressure, temperature and installation details.
ROTOFLUID Rotary Joint Catalogue Families
Rotary joints transfer a medium between stationary supply pipework and rotating or moving machine parts. The catalogue includes different sealing systems, connection arrangements and flow-passage designs.
| Application group | Catalogue series | Selection focus |
|---|---|---|
| General-purpose | 400 / 400A | Review the selected model's medium-specific limits and single- or dual-flow arrangement. |
| Water | 400B, 500, 50 and 300 variants | Match the rotation, connections and flow arrangement to the equipment. |
| Steam / water and hot-oil variants | 200 / 200HO; 900S, 900R, 900P and HO variants | The HO versions are separate hot-oil configurations; do not transfer limits between variants. |
| Pneumatic / hydraulic | 100, 20, 600, 600+1, 700 and 10 | Select by the required pressure, rotation and number of flow passages for the exact series. |
| Coolant / water spindle applications | 800, 800S and 800RS | Confirm the exact spindle interface, medium and operating conditions. |
These groups are a catalogue index. Medium, pressure, temperature and speed limits belong to the selected model and configuration.
Rotary Joint Technical Catalogue
The hosted document is the 2015 catalogue edition. It contains series drawings, selection tables, accessories and installation information. Confirm the current supplied configuration before ordering.
Open ROTOFLUID Technical Catalogue PDF
For selection, send the medium, pressure and temperature, rotation speed, flow rate, number of passages, shaft connection and installation drawing.
APPLICATION BEFORE SPECIFICATION
Selection Starts with Your Application
Provide the fluid, pressure, temperature, flow rate, rotation speed, connections and installation details. Include an existing model reference or drawing when available.
Catalogue & Technical Documents
Review the model-specific technical information and installation requirements. Send a specification, drawing or existing model reference if you need help selecting equipment.
Discuss Your Application
Send your requirements or a photo of the existing equipment for technical assistance and a quotation.
Availability and lead time are confirmed for the requested model and quantity.