Welch Vacuum 2567B-50 WOB-L Pinston Pump - Manual (Page 11)

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Section 6: SPECIFICATION
6.10 Pump Specifi cation Chart
Welch Model 2567
Free Air Displacement
CFM (L/min.) @60Hz 4.5 (128)
M3 (L/min.) @50Hz 6.4 (107)
Ultimate Pressure
Torr 60
(mbar) (80)
Maximum Vacuum InHg. 27.6
Motor Horsepower
Horsepower 1/3
(watts) (250)
Tubing needed
I.D. in Inches (Millimeters) 3/8 (10)
Intake & Exhaust Thread NPT 3/8
Weight lbs (Kg.) 16.5 (7.5)
Overall Dimensions
L in Inches (cm) 17.0 (43.2)
W in Inches (cm) 7.5 (19.1)
H in Inches (cm) 12.0 (30.5)
Shipping Weight
lbs (Kg.) 24 (10.9)
Shipping Dimensions
L in Inches 21.5
W in Inches 12.5
H in Inches 16
Catalog Number
Catalog Number Wired for 115V, 60Hz, 1Ph with N.
American Plug 2567B-01
Catalog Number with Trap and Gauge Wired for 115V, 60Hz,
1Ph with North American Plug 2567B-50
Catalog Number with Gauge Wired for 115V, 60Hz, 1Ph with
North American Plug 2567B-70
Catalog Number with IEC/Euro Cord Wired for 230V,
50/60Hz, 1Ph with UK Plug 2567C-02
Catalog Number with IEC/Euro Cord, Trap and Gauge,
Wired for 230V, 50/60Hz, 1Ph with UK Plug 2567C-50
Catalog Number with IEC/Euro Cord, with Gauge, Wired for
230V, 50/60Hz, 1Ph with UK Plug 2567C-70