Welch® Standard Duty Diaphragm Pump
SKU Description Maximum Vacuum Ultimate Pressure Free Air Displacement Electrical Quantity Price Add to Cart
2154B-01 Standard Duty Diaphragm Pump 29.7 in Hg 6 Torr (8 mbar) 3.4 cfm (97 L/min) 115V, 1PH, 60Hz 1 Each
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Clean operation (oil free), low cost of ownership, highest reliability – these are just a few benefits that customers can appreciate when they use a diaphragm pump for laboratory or industrial applications.

Diaphragm pumps work completely without oil which has several advantages for the user:

  • Less maintenance compared to other technologies saves time and money
  • Dry vacuum allows cleaner workplace and environment
  • Uncontaminated pumping of gases results in cleaner samples and no risk of oil back-streaming
Model 2154
Free Air Displacement, cfm (L/min) @ 60Hz 3.4 cfm (97)
Ultimate Vacuum Pressure, torr 6
Maximum Vacuum, in Hg 29.7
Motor Horsepower, HP (watts) 0.5 (370)
Tubing Needed, I.D. in (mm) 1/4 (7)
Weight, lbs (kg) 40.3 (18.3)
Overall Dimensions, L x W x H, in 23" W x 38" D x 16.9" H
Shipping Weight, lbs 95 lbs
Shipping Dimensions, Lx W x H, in 25" W x 40" D x 18" H

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