All of our fittings are D.O.T. Approved to prevent Air Leaks
- Alkon AQ-DOT Series meet D.O.T. FMVSS 571.106 Air Brake Performance Requirements
- SAE J1131, J2494-1 & J2494-3 Air Brake Performance Requirements.
Materials of Construction
- Body (straights), tube supports and grippers: Brass CA 360
- Forged Elbows: Brass CA377
- “O” Ring: NBR-269, alternate compounds on request.
-40℉ to 212℉ (other ranges available upon request)
– Polyethylene, Polyurethane 95A Durometer and Nylon AQ-DOT Series – J844 Air Brake Tubing
– The fitting is suitable for use up to the maximum working pressure of the recommended plastic tubing.