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Welch Ilmvac 8920 Direct Drive Pump
Deep Vacuum
Portable with small footprint
Vacuum to 1 X 10-4 torr
Welch Direct-Drive Rotary Vane Vacuum Pumps achieve vacuum levels down to 1x10-4 torr (0.1 micron) with flows up to 11.3 CFM. These compact, portable oil-seal pumps are recommended for a variety of laboratory applications. Vacuum system configuration with a cold trap is recommended for use with harsh chemicals. Direct drive pumps are not recommended for filtration, aspiration, drying electrophoresis gels, or other applications requiring sustained operation above 30 torr.
Model Number 8920
Applications Centrifugal Concentrators, Vacuum Ovens, Freeze Dryers, SEM's, Annular Spaces / Transfer Lines Type Laboratory Vacuum Pump Free Air Displacement cfm (l/min.) @60Hz 7.7(218) Free Air Displacement m3/hr (l/min.) @50Hz 10.9(182) Ultimate Pressure 3 x 10-4(0.0004) Sound Level 54 Pump RPM 1725 Oil Capacity 1.3(1.2) Motor Horsepower (watts) 3/4(560) Tubing Needed 9/16, 13/16 (14, 20) Intake Thread NPT UNIBARB (1 1/8-20) Exhaust Thread NPT 20-Jan Overall Dimensions LxWxH in. (cm) 20.5x7.1x10.7 (52.1x17.9x27.2) Ship Weight 71(32.3) Shipping Carton Dimensions LxWxH in. (cm) 24x15.8x14 (61x40.1x35.6)
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