Product specifications
Sizes and technical information
DMfit stackable tee union in the imperial range. A tee fitting provides a branch connection in a tube layout; check all connection sizes before selecting the part. The table lists 3 part numbers, including ASTU040404. Use the complete product code when making an enquiry.
STU – Stackable Tee Union| PART NO. | Tube O.D | Tube O.D | Stem O.D | Qty/Box |
|---|
| ASTU040404 | 1/4 | 1/4 | 1/4 | 300 |
| ASTU060606 | 3/8 | 3/8 | 3/8 | 150 |
| ASTU070707 | 1/2 | 1/2 | 1/2 | 100 |
Technical Information
Material & Structure| Material | O-ring |
|---|
| POM | NBR, EPDM |
| Polypropylene | EPDM |
Pressure| SIZE ► | 5/32 | 3/16 | 1/4 | 5/16 | 3/8 | 1/2 | 5/8 | | 7/8 | | |
| TEMP ▼ | 4mm | 5mm | 6mm | 8mm | 10mm | 12mm | 15mm | 16mm | 18mm | 22mm | 28mm |
| 1°C (34F) | 16bar (230psi) | 16bar (230psi) | 16bar (230psi) | 16bar (230psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) |
| 20°C (68F) | 16bar (230psi) | 16bar (230psi) | 16bar (230psi) | 16bar (230psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) | 11bar (170psi) |
| 65°C (150F) | 10bar (150psi) | 10bar (150psi) | 10bar (150psi) | 10bar (150psi) | 7bar (100psi) | 7bar (100psi) | 7bar (100psi) | 7bar (100psi) | 7bar (100psi) | 7bar (100psi) | 7bar (100psi) |
Selection and installation support
Identify tube sizes and threads · Check material compatibility · View the installation guide · Enquire about this fitting
Select products using the ratings and instructions for the specific fitting and application. Contact our team if a required specification is not shown.
