In our contactless construction, our specially designed high-efficiency rotor does not contact the cylinder. We've achieved long life operation because there are not consumable parts like those found inside rotary vane pumps.

5000 h/year = 20 h/day × 250 day/year.
Gearbox oil change (every 5000 h), filter element replacemebt, and other periodic inspections are required.

This is the designed flow rate based on the cylinder volume of the pump. Confirm the actual flow rate based on the pressure-flow diagram.
Upper limit of the sustainable degree of vacuum of the pump. Pressures indicated are when operating the pump under 1 atm. When operating at atmospheric pressure in areas of high elevation, there will be a difference in the actual degree of vacuum compared to operating at atmospheric pressure at sea level. Accordingly, the actual ultimate vacuum will be lower than the noted value. Simplified Correction Formula for Ultimate Vacuum [kPa] = Written Operating Value (from the specifications chart) [kPa] - Elevation [m] < 0.0115 [kPa/m]
Upper limit of continuous operable exhaust pressure. Do not operate the pump above this limit. Doing so can reduce the lifespan of the pump and may result in breakdown or an accident.
The indicated temperature is the rise in temperature over the ambient temperature.
Noted operating noise level is when using an ORION motor.
The power supply voltage must not have intermittent fluctuations greater than 10%, or 5% if fluctuations are continued.
If the pump is started where the ambient temperature is around 0 °℃, a high frequency noise may be heard. The noise will naturally go away in a short time and does not indicate abnormal operation. If a high pitch noise continues for more than 30 minutes, consult with your dealer or a qualified repair person.
Please consult with ORION if the product is to be operated at an elevation above 1000 m.

This is the designed flow rate based on the cylinder volume of the pump. Confirm the actual flow rate based on the pressure-flow diagram.
Under ambient pressure of 1 atm.
Upper limit of continuous operable exhaust pressure.
Values are actual measured values using the standard built-in ORION motor, operating at a degree of vacuum of 40 kPa and a pumping pressure of 20 kPa. These are not warranted values.
The power supply voltage must not have intermittent fluctuations greater than 10%, or 5% if fluctuations are continued.
If the pump is started where the ambient temperature is around 0 ℃, a high frequency noise may be heard. The noise will naturally go away in a short time and does not indicate abnormal operation. If a high pitch noise continues for more than 30 minutes, consult with your dealer or a qualified repair person.
Please consult with ORION if the product is to be operated at an elevation above 1000 m.

Do not operate at the conditions indicated by the dashed pressure and flow rate lines.
Operating condition: 20℃.
Typical value for standard built-in motor and not a guaranteed value.