Brass DOT Air Brake Line Fittings 100PCS - 1/4" 3/8" 1/2" NPT Thread Tube Air Hose Fittings Repair Kit - for Truck Automotive or Industrial Air System

【Unobstructed Gas Circuits】- Our DOT Air Brake Fittings is a commonly used connection tools, which can connect different air source interfaces to realize unobstructed gas circuitse. It may have applications in any field where rapid connection and disconnection of pneumatic devices are required, simplifying the operation, improving the efficiency, and promoting the system to be more flexible
【Premium Brass Material】- Our DOT Air Hose Fittings are made of high-quality CA360 brass, meets D.O.T. FMVSS 571.106 approved, SAE J1131 air brake system requirements, which with corrosion resistance, high-temperature ductility, low permeability to make it has long service life
【The Greatest Working Scope】- ①Working Pressure: from vacuum to 300 psi. ②Temperature Range: -40°F to +200°F（-40°C to +93°C） ③Note: see tubing manufacturer's recommendations for pressure and temperature mutations
【Easy-to-Install】- All dot air line quick-connect fittings can be sealed by pushing the tube firmly into the fittings and depressing the button to remove the tubing, labor and time-saving. Pre applied red sealant make a better sealing
【Wide Application】often used in air brake systems, in Autmotive - trucks/RVs repair air line leak; Industrial Workshops - Gas pipelines between different mechanical equipment; Household - lawn mower repair, towing machine hose connection, and so on

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