Description
Union Tee Composite DOT Air Fitting
This is a composite DOT air fitting, it is a union push-to-connect tee. This quick-connect push-in fitting is the epitome of convenience, allowing for fast and efficient work. The DOT PTC connection is made of strong, lightweight composite materials that are impact-resistant and strictly conform to SAE and D.O.T. specifications.
Applications:
• Tire inflation
• Cab controls
• Sliders
If you need more information, or to place an order, please contact us! Topa will make sure you get the quality and efficiency you deserve.
Dimensional Drawings:

Part# | Tube Size(1*2*3) | L | M | Description |
357PTC-04 | 1/4 | 1.42 | 0.71 | Union Tee |
357PTC-06 | 3/8 | 1.99 | 0.99 | |
357PTC-8 | 1/2 | 2.23 | 1.13 | |
357PTC-10 | 5/8 | 2.88 | 1.44 | |
357PTC-06-06-04 | 3/8*3/8*1/4 | 2.03 | 1.01 | |
357PTC-06-06-13 | 3/8*3/8*5/32 | 2.03 | 1.01 | |
357PTC-04-04-06 | 1/4*1/4*3/8 | 1.91 | 1.01 | |
357PTC-06-06-04 | 1/4*3/8*1/4 | 1.77 | 0.87 |
Union Tee Composite DOT Air Fitting Video
This video is about the DOT push-in union tee fitting. All of our fittings are CNC machined, and each one is heavily tested to meet your needs for use.
This DOT push lock fitting meets SAE as well as DOT international standards and is ideal for all your air brake and airline needs. We also offer custom configurations and sizes to meet your unique needs.
If you need composite brass air line fittings or have doubts, welcome to contact us!