SU-6
3/8" Stainless Steel Tube Union – Compression Fitting
- Model: SU-6 (3/8" tube union, 316 stainless steel)
- Type: Straight Union (compression fitting for tube-to-tube connections)
- Material: 316 Stainless Steel (corrosion-resistant alloy)
- Pressure Rating: Built for high-pressure sanitary and industrial systems (based on tubing specs)
- Size: 3/8" tube outer diameter (O.D.) x 3/8" tube O.D.
- Finish: Polished surface suitable for sanitary fluid systems
- Equivalent To: Swagelok® SS-600-6
| Inch/Metric | Inch |
|---|---|
| Tube Outside Diameter D | 3/8in, mm |
| Width Across Flats h | 5/8in |
| Dimension A | 16.76mm |
|---|---|
| Dimension B | 19.30mm |
| Dimension I | 30.22mm |
| Dimension L | 44.95mm |
| Dimension d [Min] | 7.11mm |
3/8" Stainless Steel Tube Union – Compression Fitting (SU-6)
The SU-6 is a 3/8" stainless steel compression union engineered for clean, secure connections in high-integrity fluid systems. Made from 316 stainless steel, it provides corrosion resistance and mechanical reliability for hygienic and industrial environments alike.
This fitting supports Clean-in-Place (CIP) operations and offers a metal-to-metal seal that eliminates the need for sealants. It’s a dependable solution for pharmaceutical, food-grade, biotech, and sanitary processing applications where precise fluid control and hygienic valve compatibility are critical.
The SU-6 is easy to install and reusable, making it a smart option for engineers working on Original Equipment Manufacturer (OEM) fluid panels, sanitary skids, and clean tubing systems.
Key Benefits
- Seal: Compression metal seal — leak-tight with no additional sealants
- Durability: Withstands vibration, pressure cycles, and frequent CIP procedures
- Maintenance: Fully reusable and easy to disconnect
- Compatibility: Fits standard 3/8" stainless tubing and instrumentation components
- Material: 316 stainless steel ensures performance in hygienic and industrial systems
Typical Applications
- OEM fluid control panels
- Sanitary process skids
- Clean-in-Place (CIP) loops
- Hygienic valve connections
- Lab tubing and biotech systems
Looking for a Swagelok® SS-600-6 alternative? The SU-6 offers the same high-performance sealing and sanitary-grade durability—at a better value.
| Swagelok® | 600-6 |
|---|---|
| Parker (Alok)® | 6SC6 |
| Hy-Lok® | CUA-6 |
| Tylok (CBC-Lok)® | 6-DU |
| Ham-Let (Let-Lok)® | 762L 3/8 |
| Hoke (Gyrolok)® | 6U |
| Dk-Lok® | DU-6 |
| Bi-Lok (Series D)® | DUA-6 |
| SSP (DUlok)® | D6U |
