Pneumatic Air unions
- Rigid Rotary Unions
- Rotor supported on a pair of deep-grove ball bearings
- Aluminum housing with Stainless steel Rotor & internals
- Available in Carbon / Sic seal combinations
- Felt oiler for extended life
- Suitable for Pneumatic Chuck, Brakes, Clutches, Actuator etc.
- Extensively used in all Industries including – automotive, Machine Tools, Engineering, Paper, Printing & packaging and others.
Operating Parameters
| Media | Pressure | Temperature | Rotational Speed |
| Air | 10 bar | 70°C | 3500 rpm |
Size Range
| 1/8” BSP / NPT to 1” BSP/NPT |
| Flanged variants available on demand. |
Around-the-Shaft Air / hydraulic Rotary Unions
- Rotor supported on combination of deep-grove ball bearing and bush-bearing
- Aluminum, Stainless Steel housing,
- Hard-chrome Plated / Chrome Oxide coated Stainless steel Rotor.
- Special elastomer seals
- Suitable for around the shaft mounting on large shafts
- For Pneumatic / Hydraulic actuation
Variants:
| Series 41 | Single passage |
|---|---|
| Series 41 D | Dual passage |
| Series 41 M | Multiple passage |
Operating Parameters
| Media | Pressure | Temperature | Rotational Speed |
| Air | 10 bar | 70°C | 100 rpm |
| Hydraulic Oil | 250 bar | 70°C | 20 rpm |
Size Range
| Port Size: 1/8” BSP / NPT TO ¾” BSP /NPT |
| Around the shaft mounting up to 300 mm shaft dia. |
| Higher diameters available on demand. |
Dual Passage Rotary Unions for Hydraulic Oil / Air service
- Flanged Rotor with dual flow-passage supported on a pair of deep-grove ball bearing.
- Two flow passage carrying same fluid to two locations.
- Stainless steel Rotor and internals, Anodized Aluminum Housing.
- Two sets of mechanical seal systems with Carbon / SiC. Face combination
- Suitable for hydraulic brakes and air clutches, Double acting Hydraulic cylinders. Machine tool spindles
Size Range
| 2 X 1/8” ND to 2 X 3/4” ND |
Operating Parameters
| Media | Pressure | Temperature | Rotational Speed |
| Hydraulic Oil | 70 bar | 70°C | 1500 rpm |
| Air | 10 bar | 70°C | 1500 rpm |
| Vacuum | 710 mm Hg. | 70°C | 1500 rpm |