Rotary Unions
CNC Spindle Coolant Rotary Union
Spindle rotary union for coolant service — 70 bar max, 15,000 RPM, 70 °C. Factory-direct with OEM/ODM support.
Product Overview
LOOP ENGINEERING manufactures high speed rotary unions for coolant service. This CNC Spindle Coolant Rotary Union features precision bearings, balanced mechanical seals and a corrosion-resistant body — built for continuous rotation in demanding industrial duty. Request a datasheet for full dimensional drawings.
Key Features
- Reliable spindle rotary union design with balanced mechanical seals
- Corrosion-resistant materials for long service life
- Low-torque precision bearings for smooth rotation
- Serviceable seal cavity — easy field maintenance
- OEM/ODM customization: ports, seals, materials, threads
Applications
Factory-direct manufacturer since 2008
100% pressure tested before shipping
24h engineering response on inquiries
OEM/ODM: your brand, our production
Technical Specifications
| Item | Specification |
|---|---|
| Passages | 1–6 (multi) |
| Port size | G1/8" |
| Media | coolant |
| Max pressure | 70 bar |
| Max speed | 15,000 RPM |
| Max temperature | 70 °C |
| Housing | Aluminum (anodized) |
| Shaft | Stainless steel 304 |
| Seals | NBR standard / FKM, PTFE optional |
| Bearings | Precision ball bearings, sealed |
* Specifications subject to change. Contact us for the current datasheet.
FAQ
Questions Buyers Ask
What media can a spindle rotary union handle?
This series handles coolant at up to 70 bar and 15,000 RPM, with temperature ratings to 70 °C.
How long does a spindle rotary union last?
Service life depends on duty. With balanced seals and proper lubrication, typical life is 8,000–15,000 hours before seal service.
Can you customize a spindle rotary union?
Yes — we customize port sizes, thread types, seal materials and shaft lengths for OEM/ODM programs.
REAL FOOTAGE
See It in Action
Every LOOP ENGINEERING rotary union is pressure tested before shipping — verified at 1.5× rated pressure.
Full-Color at Night — real low-light recording
Pressure Tested — verified before shipping
Interested in CNC Spindle Coolant Rotary Union?
Factory-direct pricing, OEM/ODM options and lead times — send your spec and volume, get a quote within 24 hours.