ACS SZ-MSL10 Single-Stage Air Compressor Pump, 5.9 CFM at 100 PSI, 56 Frame
The SZ-MSL10 is the compact end of the AirComParts pump line: a two-cylinder single-stage cast-iron pump built on the Schulz MSL 10 MAX casting, delivering 5.9 CFM at 100 PSI and weighing only 35 lb. Cast iron at this size is the whole point. Aluminum pumps in the same class run hot and wear out their bores; this one has a serviceable iron cylinder and splash lubrication, so it is a pump you rebuild rather than throw away.
Key specifications
- Delivery: 5.9 CFM at 100 PSI
- Stages and cylinders: single stage, 2 cylinder
- Construction: cast iron
- Lubrication: splash
- Motor frame: suitable for 56 frame motors
- Weight: 35 lb
- Schulz model reference: MSL 10 MAX
Matching a motor
This is a bare pump and comes without motor, guard, tank or controls. It is built for a 56 frame motor, the common small-frame size on portable and light stationary compressors, so it drops onto most small packages without a new base. AirComParts catalogs this pump under both the SZ-MSL10 and SZ-1.5 designations; confirm the horsepower pairing for your own package against the 5.9 CFM at 100 PSI delivery figure before ordering a motor to go with it.
Service notes
Single-stage pumps live or die on intake cleanliness and oil level. Keep a fresh intake filter on it, check the oil at the sight glass before each heavy run, and replace the check valve and belt when you replace the pump. Do not run automotive engine oil in it; compressor oil is formulated for the heat range and will not varnish the valves.
Typical applications
Small shop and garage compressors, portable and wheelbarrow units, light service and maintenance air, hobby and farm compressors, and as a cast-iron replacement for tired aluminum pumps on 56 frame packages.
The ACS SZ-MSL10 single-stage air compressor pump delivers 5.9 CFM at 100 PSI from a 2-cylinder cast-iron splash-lubricated design on a 56 frame motor mount.
NOTE: Actual product may be different from pictured!
Financing Options
Financing Options
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