Rolair Replacement Pilot Unloader Valve For Compressors
The 131BIG is the common replacement pilot valve for some constant-speed electric and other select gas compressors. These include models 3230K24CS, 5230K30CS, 8230HK30, 4090HK17/20, 6590HK18/20, 7722HK28/20, 11GR/13GR/18GR/20GR Series. The valve has a setting of 110/135 PSI cut in/cut out pressure.
New OEM Part with Adjustable Pressure Range
Cut-In/Cut-Out PSI is 110/135 PSI
Inlet – Unloader 1/4″ Tube, Pilot 1/4″ M NPT / Outlet – N/A
Heavy Duty Brass Material