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Welch™ Direct-Drive High-Vacuum Pumps: Model 8912

Compact, portable, two-stage direct-drive pumps suitable for vacuum ovens, freeze dryers, concentrators, and chambers

Manufacturer: welch™  8912A

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Catalog No. 01-257-13

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Description & Specifications


Model 8912
Type Direct-Drive High-Vacuum Pump
Height (English) Exterior 9.62 in.
Length (Metric) Exterior 47.1cm
Weight (English) 40 lb.
For Tube Size (English) 0.56, 0.81 in.
Capacity (Metric) 96L/min.
Includes Line cord, switch, plug and vacuum Oil, integral isolation valve
Certifications/Compliance CSA
Amperage 4.6A
Motor Speed 1725rpm
Pressure 1 x 10-4 torr
Horsepower 0.5hp
Shipping Weight (English) 46 lb.
Capacity (English) 25.3 gal./min.
Dimensions (L x W x H) Exterior 18.5 x 6.5 x 9.62 in. (47.1 x 16.5 x 24.3cm)
Length (English) Exterior 18.5 in.
Weight (Metric) 18.1kg
Width (English) Exterior 6.5 in.
Width (Metric) Exterior 16.5cm
Height (Metric) Exterior 24.3cm
Noise Level 50dBA
Flow Rate 3.8 cfm
Dimensions (L x W x H) 18.5 x 6.5 x 9.62 in. (47.1 x 16.5 x 24.3cm)
For Use With (Equipment) Vacuum ovens, freeze dryers, concentrators and chambers
Electrical Requirements 115V 60Hz
Hertz 60Hz
For Tube Size (Metric) 1.1, 2cm
Width (Metric) 16.5cm
Height (Metric) 24.3cm
Voltage 115V
Length (Metric) 47.1cm
Height (English) 9.62 in.
Length (English) 18.5 in.
Shipping Weight (Metric) 21kg
Width (English) 6.5 in.