D.O.T Push in Tube Fittings

Pneuflex has distributors in 30+ countries and regions.

Pneumatic Connection Solutions Expert

Pneuflex is manufacturing pneumatic push in fittings, push to connect fittings, composite and brass push-in fittings, plastic and sintered silencers, brass fittings, flow control valves, quick coupling, pneumatic tubing and plastic tubing in China.

structure of stainless steel push to connect fittings

Pneuflex D.O.T push in tube fittings (push to connect fittings) are the most commonly used connection in air brake applications, made of brass for strength and resistance to corrosion. D.O.T push in tube fittings meet D.O.T FMVSS 571.106 Air Brake Performance Requirements and SAE J1131, J2494-1 & J2494-3 Air Brake Performance Requirements. D.O.T regulations require all nylon tubing air brake connections have fittings with an inner tube support. The tubing slides into the fitting and the metal inner tube support slides into the tube. This provides a more solid connection for over the road air brake systems. All male threads of air brake DOT push in fittings have a pre-applied Teflon based pipe sealant to provide for easy assembly and leak proof seal. When installing, ensure tubing ends are cut squarely and free from burrs; to remove, hold down the top of the insert against the fitting body then pull out the tubing. Accommodate inch tubing O.D ranging from 5/32" to 1/2". Thread sizes range is from 10-32 UNF, 1/8 NPT to 1/2 NPT.