21 cfm Two stage rotary vacuum pump
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Vacuum Pump 21 CFM

Technical Specifications:

Pumping Speed @ 60 Hz
600 l/min, 21 CFM, 36 m3/hr.

Pumping Speed @ 50 Hz
500 l/min, 17.5 CFM, 30 m3/hr.

Ultimate Pressure Gas Ballast Closed
5x10-4 Torr, 6.7x10-2 Pa, .0006 mbar

Ultimate Pressure Gas Ballast Open
5x10-2 Torr, 6.7 Pascal, .06 mbar

Standard Motor, Thermal Protection
230/380V, 3ø, 50/60 Hz, 2 hp

CE Mark, complies with Machinery Directive

Optional Motors
See ordering information

Power Connection
Junction Box

Motor speed @ 60 Hz
1700 r.p.m.

Noise Level
54 dB

Water Vapor Tolerance
30 mbar, 22 Torr

Oil capacity
2300 cc; 2.4 Qt.

Weight Net: 117 lbs., 53 kg
Shipping: 133 lbs., 60 kg

Intake & exhaust type/diameter
NW-40 or 36 mm O.D. Tube

Ambient operating temperature
7° to 40°C, 45° to 104°F

Two Stage Rotary Vane Vacuum Pump

21 CFM Two Stage Rotary Vane Vacuum Pump
Photo shows Pump with optional inlet trap and exhaust mist eliminator installed. Power on/off switch, resettable circuit breaker and line cord are standard on pumps shipped with single phase motors.


• Extremely Quiet • Anti Suck Back Design • Satisfaction Guaranteed
• Two Year Warranty • Virtually Vibration Free • Motors for Any Voltage
• Complies with Machinery Directive 98/37/EC


• Backing Turbo Pumps • Electron Microscopes • Vacuum Ovens & Furnaces
• Freeze Dryers • Cluster Tool Load Locks • Sputter & Deposition Systems

Two Stage Rotary Vane Vacuum Pump 21 CFM

Two Stage Rotary Vane Vacuum Pump


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