Model LB.5 - Oil Lubricated Pump - Technical Reference

Rotary Pumps with Lubrication

The operating principle of lubricated pumps is similar to that of dry pumps, but this type of pump is equipped with oil lubrication that makes parts pres-ce of lubricant makes it necessary to filter the exhaust air in order to recover the lubricant and emit the cleanest possible air into the atmosphere. On the contrary, when lubricant is not recovered the pump is called "open cycle".