Cole-Parmer Venturi Miniature Vacuum Pump, 0.5 cfm, 27.0"Hg, Cole-Parmer (CAT#: STEM-DS-0390-LC)

The Venturi Vacuum Pump manufactured by Cole-Parmer take advantage of the venturi effect. Since the operation is oil-free, the vacuum is clean and efficient. The a replaceable silencer reduces noise levels up to 30%.

Wetted Parts:Aluminum
Free-Air Capacity (CFM):0.3
Free-Air Capacity (LPM):8.5
Free-Air Capacity (LPH):510
Max Flow Rate (CFM):0.3
Max Flow Rate (Liters/min):8.5
Max Vacuum (in Hg):27
Max Vacuum (mbar):100
Max Vacuum (mm Hg):74.2
Max Vacuum (torr):74.2
Air Input At 80 Psi (CFM):0.75
Air Input At 80 Psi (LPM):21.2
Port Size:10-32 UNF
Length (in):1.25
Diameter (in):0.5
Length (cm):3.18
Diameter (cm):1.27
Length (mm):31.8
Diameter (mm):12.7

No moving part extends service life and decrease maintenance frequence.
Air-powered venturi pumps don't need electrical power source or lubricant.

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