Air & Hydraulic Multi-Passage Rotary Union / Joint

Air & Hydraulic Multi-Passage Rotary Union / Joint

The Air & Hydraulic Multi-Passage Rotary Union / Joint is a robust mechanical device designed to transfer pressurized air or hydraulic fluid from a stationary source into rotating machinery through multiple independent passages. It is ideal for low-speed applications where simultaneous transfer of multiple media lines is required for heating, cooling, clamping, or fluid power transmission.

These rotary unions are engineered for dependable performance, smooth rotation, and long service life. With flexible passage configurations and durable construction, they are widely used in industrial automation and machinery requiring multi-line fluid distribution. Each unit can be customized to meet specific operational and application requirements.

  • Multiple independent passages for air and hydraulic fluid transfer

  • Designed for low-speed, high-reliability applications

  • Smooth operation with stable sealing performance

  • Supports two-way and multi-passage flow configurations

  • Strong and durable construction for industrial environments

  • Customizable design as per client application

ParameterSpecification
Product TypeAir & Hydraulic Multi-Passage Rotary Union / Joint
Size Range1/4 Inch to 2½ Inch (NB)
Connection TypeBSP / BSPT / NPT Threads
Number of Passages2 to 16 Passages (Custom configurations available)
Pressure Range (Air)0 – 10 to 0 – 12 kg/cm²
Pressure Range (Hydraulic)0 – 160 to 0 – 204 kg/cm²
Temperature Range0 – 100°C
Maximum RPMUp to 250 RPM
Flow OptionsTwo Way, Multi-Passage
Bearing TypeBush Bearing
Material OptionsAluminium, Mild Steel (MS), EN8, etc.
Application MediaCompressed Air, Hydraulic Fluid
CustomizationAvailable as per application requirement
Spare Seal KitAvailable in all sizes

Note :

Spare Seal Kit available in all sizes.

We Deliver Precision-Engineered Rotary Unions

Reliable, high-performance Rotary Unions, Mechanical Seals & Slip Rings designed for all industrial applications.