Campbell Hausfeld Unloader Check Pilot Valve Combo for gas compressor ST128408AV

Description

Replaces Campbell Hausfeld ST128408AV Made in USA Check valve /Unloader valve / Pilot valve all in one - (continuous run unloader) for gas & electric powered air compressors 140-175 PSI factory setting. pressure can be adjusted 30-40 psi up or down 3/4" Compression Top Inlet x 1/2" Female NPT Pipe Thread outlet to air tank ( Visit our store for a wide variety of HP ratings and Multiple Inlet / Outlet configurations ) Pressure can be adjusted 30-40 PSI Higher or Lower. If pressure adjustment is needed, Please see Pic attachment for adjustment instructions. 30 scfm Rating - comes complete with hand unloader and muffler/silencer - Inlet / Outlet are in-line with each other Piloted discharge check valves combine a pilot valve, a discharge valve, and a check valve into one system used to run an air compressor at a constant speed. They are used on both gas engine and electric motor compressors. The top inlet portion of the valve will connect to your main airline from your pump. The bottom outlet will connect to your air receiver tank. The 1/8" Male NPT Connection on the Throttle control cable will connect to the throttle control port on the unloader. The Z bend tip of the throttle control cable will connect to the throttle arm on your engine. Muffler is included to reduce noise. Please Contact us if you have any questions