NEW Gas Air Compressor unloader valve pilot check valve combination 140-175 by conrader

__ PLEASE NOTE: 1/2" NPT MEASURES 0.850" OUTSIDE THREAD DIAMETER IN INCHES. ALL BRASS CONSTRUCTION AND BUILT FOR THE RIGORS OF OUTDOOR GAS COMPRESSORS. 30 CFM FLOW RATE, PSI'S ARE PRE-SET FROM THE FACTORY AND CAN BE ADJUSTED ON THE PILOT VALVE. PRESSURE DIFFERENTIAL 10 TO 50 PSI, OPERATING TEMP -65f TO 400f MAX. MUFFLER INCLUDED. THIS UNIT IS DESIGNED TO WORK IN CONGRUENCE WITH A THROTTLE CONTROL MECHANISM (NOT INCLUDED) THAT CONNECTS FROM THE SIDE THROTTLE CONTROL PORT ON THIS VALVE TO THE THROTTLE ARM ON YOUR ENGINE.