INLINE TANK CHECK VALVES
Be sure of your pipe thread dimensions before ordering. If you are determining your current thread size with a
 tape measure click here to see a pipe thread cross reference to decimal inches
Female NPT Inlet from Compressor x Female NPT Outlet to air tank.
IIn-line check valves screw directly into the discharge line and have the same size inlet as they do outlet.n-line check valves screw directly into the discharge line and have the same size inlet as they do outlet.

Inline Check Valve FPT Inlet x FPT Outlet