Coltri Oil ST 755 · 5L


Coltri ST 755 fully synthetic compressor oil with high viscosity index. Excellent performance at high and low temperatures. Nominal operating range: +5°F to 482°F (-15°C to +250°C). Can be used with nitrox breathing air up 40% O2 (EANx40). 5 liter size. Described by Coltri as "Synthetic Coltri Oil ST 755".


COLTRI OIL ST 755 is a fully synthetic lubricant for breathing air compressors, produced with Tri-Ester technology and formulated to provide excellent and durable lubrication in the compression process in high and low temperature pumping units. Coltri synthetic oil has a life up to 8 times longer, ensuring less frequent changes compared to mineral oils. Coltri Oil ST 755 replaces Coltri Oil 157 and Coltri Oil CE 100.

Energy consumption is reduced by up to 50% compared to a mineral product with the same viscosity. Its cleaning power, superior oxidation resistance and extraordinary thermal stability keep compressor parts cleaner. What does this mean? Less maintenance and more safety. 5 Liter size.

WarningWARNING: Never use motor oil in a compressor.

Coltri Genuine Parts

Nuvair is an Authorized Coltri Distributor
Nuvair sells only genuine parts and equipment manufactured by Coltri Compressors. Do not be fooled by cheap aftermarket copies of original Coltri equipment. Items labeled “replacement,” “OEM equivalent,” “compatible,” or “alternative” are not manufactured by Aerotenica Coltri S.p.a.

Some Coltri parts are not available for purchase online. To ensure this genuine Coltri part fits your compressor model/version, please contact the Nuvair sales team for ordering assistance.