ACS Gray Line GL5 Two-Stage Air Compressor Pump, 5 HP, 17 CFM at 175 PSI
The GL5 is the 5 HP pump in the ACS Gray Line, the economy replacement line in the AirComParts catalog. Economy here means a plainer finish and a shorter options list, not a lighter pump: it is the same slow-speed cast-iron two-stage recipe, 17 CFM at 175 PSI at 700 RPM, with inserted connecting rods and centrifugal unloading. A pump that makes its air at 700 RPM instead of 1200 lives a great deal longer, and inserted rods mean the rod bearings are serviceable rather than disposable.
Key specifications
- Horsepower: 5 HP
- Delivery: 17 CFM at 175 PSI
- Speed: 700 RPM, slow speed
- Stages and cylinders: 2 stage, 2 cylinder
- Construction: cast iron
- Connecting rods: inserted
- Unloading: centrifugal
- Motor frame: suitable for 184T frame motors
- Weight: 240 lb
How it relates to the E Series
The GL5 shares its ring sets and rod inserts with the ACS EC-5, so the common wear parts are the same across both pumps and the rebuild kits interchange. The AirComParts catalog lists the Gray Line as a replacement clone for the Saylor-Beall 705. Confirm the cross-reference against your own machine before ordering if you are replacing a branded OEM pump.
Service notes
Centrifugal unloading suits ordinary start-stop operation, where the pressure switch stops the motor and the unloader bleeds the head so it restarts against no pressure. Do not put a centrifugal-unload pump on a constant-run, dual-control or engine-driven machine; those need head unloaders. Replace the check valve and belts with the pump, keep the intercooler and flywheel fins clean, and use compressor oil rather than automotive oil.
Typical applications
Stationary shop compressors, automotive and fleet service bays, fabrication and welding shops, farm and agricultural air, and as a cost-conscious replacement pump on any 5 HP 175 PSI two-stage package taking a 184T frame motor.
The ACS Gray Line GL5 two-stage air compressor pump delivers 17 CFM at 175 PSI on 5 HP, in slow-speed cast iron at 700 RPM with inserted rods and centrifugal unloading.
NOTE: Actual product may be different from pictured!
Financing Options
Financing Options
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