Welch 8920A Vacuum Pump, Thomas Scientific (CAT#: STEM-GLE-0604-LGZ)

The manufacturer of Welch 8920A Vacuum Pump is Thomas Scientific. Model is 8920A. Refrigeration service pumps are used to remove air and moisture from industrial and commercial chillers. The pump includes a gas ballast valve to inhibit condensation and reduce corrosion, an On/Off switch, 3-wire cord and oil.

Condition: used
Displacement: 7.7 cfm
Ultimate Pressure Torr: 3 x 10-4
Intake Male SAE Flare: 3/4
NPT Inlet: 3/4"
Voltage: 115/230
Amps AC: 6.8/3.4
Dimensions (L x H x W): 20.5” x 10.75” x 7.125”
Hz: 60

1. Direct drive rotary vane vacuum pumps for non-continuous operation applications such as vacuum ovens or concentrators (sold separately).
2. Free air capacity is 218 liters per minute (LPM) with vacuum to 0.0003 Torr.
3. 1-1/8"-20 National Pipe Cone (NPT) threaded inlet to connect to 9/16" or 13/16" bore tubing (both sold separately).
4. The 3/4 hp motor accepts 115 V, 60 Hz input power.

KNF Neuberger Laboport UN820.3 FTP Vacuum Pump, KNF Neuberger(CAT#-STEM-GLE-0639-LGZ)
KNF Neuberger Laboport UN840.3 FTP Vacuum Pump, KNF Neuberger(CAT#-STEM-GLE-0640-LGZ)
Wheaton Unispense 374 301 Peristaltic Pump, DWK Life Sciences Inc. (CAT#-STEM-GLE-0641-LGZ)
Thermo Savant VLP120 Vacuum Pump, Thermo Fisher Scientific(CAT#-STEM-GLE-0642-LGZ)
Thermo 3050 CO2 Manifold, Thermo Fisher Scientific(CAT#-STEM-GLE-1686-LGZ)
Auto-Logic II 918TS CO2 Manifold, Auto-Logic(CAT#-STEM-GLE-1690-LGZ)