Compressor oil - piston vs screw

Compressors are versatile machines that have a vast range of functions. They can be found in any workshop, light industries and more so in heavy machinery factories. As with any other machines, compressors need good lubrication as well. The first step to identifying which lubricant to use is to understand the type of compressor. 

The 2 types of compressors commonly used are screw and piston. A piston compressor, also known as reciprocating compressor, is an older design that uses crankshaft driven pistons to compress air. Comprising plenty of moving parts, a piston compressor is fundamentally large but they are famously easy to use and cheap to purchase. They do require appropriate lubrication due to it producing a lot of heat and friction. Its piston powered nature requires special lubrication like the Daphne Super CS Series that caters specifically for piston compressors and highlights longevity. 

Screw compressors are the more modern type of compressor. They utilize two helical screws that compress air without making contact. Thanks to this design, wear and tear is significantly lesser than a piston compressor, making it more reliable. It also generates less heat, friction, noise and pollution. An advantage of a screw compressor is the ability to run continuously. Its high duty cycle is an advantage to long operating businesses with a significantly lower operational loss. Screw compressors cost more to purchase but offer greater cost savings benefits like efficiency, maintenance, size and oil consumption. Idemitsu’s specially formulated lubricant for screw compressors has additives to withstand resistance and extend maintenance intervals allowing you to operate at optimum for longer.