What is an Oil-sealed Rotary Vacuum Pump?

Among the mechanical pumps capable of compressing up to atmospheric pressure, the oil-sealed rotary vacuum pump is the most economical and easiest to handle. It is suitable for a wide range of applications and therefore can be found in many applications around the world.

Osaka Vacuum's Oil-sealed Rotary Vacuum Pumps Lineup

  • Oil-sealed rotary vacuum pumps are categorized by the mechanism employed: oscillating piston type (Kinney), Rotary vane type (Gaede), cam type (Senco), etc.
    Osaka Vacuum's oscillating piston is durable and structurally allows for a large intake space. This construction enables efficient exhaust, making it ideal for large pumps.
  • Pump oil is vital for safe operation of the pump.
    Osaka Vacuum's oil-sealed rotary vacuum pumps can be operated under harsh operating conditions such as continuous operation in low vacuum ranges, and repeated short-term cycles at atmospheric pressure and vacuum. These pumps provide a long reliable lifetime when equipped with an appropriate oil supply mechanism.
  • This pump features a precision, robust design, and an easy-to-maintain construction that has been reported to last 20 to 30 years in the field with proper maintenance.


P90 P180
P222 P450
P600 P901
EcopositiV series