Also known as a priority valve, the model 635 is a fully balanced, economical back pressure regulator. Similar to the model 211. It serves a wide variety of uses, however it's main use is on large compressors and purification components. Increases the efficiency of the moisture seperator and filter up to 1000%. This is done by maintaining pressure in the seperator and filter at 1800 psi or more when tank pressure is lower.

1/2" FPT Inlet x 1/2" FPT Outlet
Flow Capacity: 2-300 SCFM
6000 psi service