Welch Vacuum 2561B-50 WOB-L Pinston Pump - Manual (Page 11)

Section 6: SPECIFICATION
6.10 SPECIFICATION CHART
Welch Model 2563
Free Air Displacement
CFM (L/min.) @ 60Hz
CFM (L/min.) @ 50Hz 2.12 (60)
1.77 (50)
Ultimate Pressure
Torr (mbar) 5 (7)
Motor Horsepower
Horsepower 1/3
Tubing needed
I.D. in Inches (mm) 1/4 (7)
Shipping Weight
Weight lbs (Kg) 16.5 (7.5)
Catalog Number
Catalog Number Wired for 115V, 60Hz, 1Ph with
North American Plug 2563B-24
Catalog Number Wired for 220V, 50Hz, 1Ph with
European Schuko Plug 2563C-24
Catalog Number Wired for 100V, 50/60Hz, 1Ph with
North American Plug 2563C-25
6.20 PUMPING SPEED CURVE
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