PILOT VALVES
AIR COMPRESSOR PARTS IN CENTRAL ARKANSAS
AOS PART # - 131
DESCRIPTION - Air Governor - used on head unloader-style pumps. Pre-Set @110 PSI Cut-In/135 PSI Cut-Out
INLET - 1/4" M NPT
OUTLET - NA
MODEL NUMBER/ CROSS-REFERENCE - Emglo-PVM, DeWalt 5130236-00
AOS PART # - 131B
DESCRIPTION - Pilot Unloader Valve – for constant speed use with gas or electric compressors – 1/4” Compression Unloader Port. Pre-Set @110 PSI Cut-In/135 PSI Cut-Out
INLET - Unloader 1/4” Tube, Pilot 1/4” M NPT
OUTLET - NA
MODEL NUMBER/ CROSS-REFERENCE - Models 3095K18CS, 4090HK17, 5520K17CS, 5715K17CS, 5GR30HK17, 6590HK18, 6820K17CS, 7722HK28, 8422HK30, GD4000PV5H, GD4500PV5R, 5GR Series
AOS PART # - 131B2
DESCRIPTION - Pilot Unloader Valve – for dual control applications (has built-in shut-off feature) on electric 1-1/2-2 HP compressors without head unloaders. Pre-Set @105 PSI Cut-In/125 PSI Cut-Out
INLET - Unloader 1/4” Tube, Pilot 1/4” M NPT
OUTLET - NA
MODEL NUMBER/ CROSS-REFERENCE - ROLAIR® Models 5520K17DC, 5715K17DC, 6820K17DC
AOS PART # - 131BIG
DESCRIPTION - Pilot Unloader Valve – same as 131B, but with larger discharge port for constant speed applications involving 3-5 HP electric units without head unloaders –1/4” NPT Unloader Port. Pre-Set @110 PSI Cut-In/135 PSI Cut-Out, maximum discharge - 20 CFM
INLET - Unloader 1/4” Tube Pilot 1/4” M NPT
OUTLET - NA
MODEL NUMBER/ CROSS-REFERENCE - ROLAIR® Models 3230K30CS, 5230K30CS, 8230HK30, 4090HK17/20, 6590HK18/20, 7722HK28/20, 11GR Series, 13GR Series, 18GR Series