CP-4601 Series are available in many viscosity grades from ISO (international Standards Organization) VG 5 to 1000. Most common types of twin screw air compressors use ISO VG 46. This is specified as CP-4601-46. Other common grades for air are ISO VG 32 and 68. Many other applications, such as light hydrocarbon gas (for example landfill gas or methane) use ISO VG 100 (or CP-4601-100).
CP-4601 Series is just one of our many products offered for rotary screw compressors. CP- 4601 series is based on PAO (polyalphaolefin) type synthetics blended with other types of synthetic base fluids and additives to extend operating life and prevent corrosion. CPI Engineering Services, Inc. has produced this type of commercial product longer than any other company in the world. The CP-4601 Series is currently our most popular rotary screw air compressor lubricant.
Please contact us for other product recommendations. Our CP-4200 Series are recommended for extremely long life in rotary screw air compressors, even at high temperatures and pressures. Our Para-4 series are lower cost semi-synthetic rotary screw air compressor coolants based on PAO and super refined high pressure hydrotreated base fluids - offering up to four times the life of conventional mineral oils or other semi-synthetic and hydrotreated products.
CP-4601 is rated at 8,000 hours life in a standard air compressor under normal operating conditions (110 psig, 190 oF or about 90 oC). This compares favourable to mineral oil based lubricants which must be drained at 1000 to 2000 hours. It is recommended that CP-4601 used under normal operating conditions in a standard air compressor be changed at 8,000 hours or annually. Filters and separators should be changed on the schedule recommended by the OEM.