【Back】 VRI Dual Stage Vacuum Pumps (Small)
Product:VRI-2/4/8
More reliable and high ultimate vacuum

Features:

- Forced oil cycling system makes high reliability of the pump.

- Equipped with solenoid valve for anti-sucking back protection.

- Convenient to manage the oil level with big sight glass design.

- lntegrated cylinder structure ensures high ultimate vacuum. 

Model VRI-2 VRI-4 VRI-8

Displacement speed

m3/h (L/s)

50Hz 2 (0.6) 4 (1.1) 8 (2.2)
60Hz 2.4 (0.7) 4.8 (1.3) 9.6 (2.7)
Ultimate partial pressure gas ballast close (Pa) 3x10-1 3x10-1 3x10-1
Ultimate total pressure gas ballast close (Pa) 3  3 3
Ultimate total pressure gas ballast open (Pa) 10 10 10
Power supply Single Phase Single Phase Single Phase
Power rating (kW) 0.25 0.37 0.55
Intake and exhaust DN (mm) KF16/Adapter KF16/Adapter KF16/Adapter
Oil capacity (L) 0.2 0.3 0.5
Motor speed (rpm) 50Hz 1440 1440 1440
60Hz 1720 1720 1720
Ambient temperature (°C) 5 - 40 5 - 40 5 - 40
Noise level (dB) ≤62 ≤62 ≤65
Net weight (kg) 9 11 17