ACS #3 TM 30 Air Compressor Oil, Petroleum 30 Wt. ISO 100, Reciprocating
#3, also catalogued as TM 30, is the workhorse oil for splash-lubricated and pressure-lubricated piston compressors. It is a petroleum 30 weight base cut to ISO 100 and carries a synthetic additive package, which is what separates it from the automotive oil people reach for when the drum runs dry. Automotive oils lack the heat range a compressor head reaches and will varnish a valve plate shut.
Key specifications
- Product: ACS #3 / TM 30 air compressor lubricant
- Base: petroleum, 30 Wt. with synthetic additives
- Viscosity grade: ISO 100
- Service: reciprocating (piston) air compressors
- Packages: 1 quart, 12-quart case, 1 gallon, 4-gallon case, 5 gallon pail, 55 gallon drum
- Part numbers: U9027, U9028, U9014, U9029, U9019, U9011
Why the additive package matters
The synthetic additives inhibit the formation of carbon and varnish and provide superior thermal and oxidative stability. In practice that means cleaner reed valves, a valve plate that still seals at the next service, and a discharge line that is not slowly closing up with coke.
Typical applications
Single-stage and two-stage reciprocating air compressors in shops, fleets, garages and light industrial plant. If your compressor manufacturer calls for a non-detergent ISO 100 / SAE 30 compressor oil, this is the grade.
ACS #3 TM 30 is a petroleum 30 Wt. ISO 100 air compressor oil with a synthetic additive package, available from AirComParts in quart through 55 gallon drum for reciprocating compressors.
NOTE: Actual product may be different from pictured!
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