Welch Vacuum 1399 Duoseal Belt Drive - Manual (Page 13)

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Section 5: QUICK REFERENCE CHARTS
Specifi cations
Free Air Displacement, L/M (CFM) 35 (1.2)
Gas Ballast No
Ultimate Pressure, Torr (mbar) 1 (1.3)x10-4
Rotational Pump (RPM) 750
Oil Capacity, quarts (Liters) 0.5 (0.47)
Net Wt. Unmounted Pump, lb (Kg) 28 (13)
Net Wt. Mounted Pump, lb (Kg) 49 (22)
Standard Flange Size NW16
Tubing Needed (I.D. Inches) 7/16”
Intake Thread Size 3/4-20
Exhaust Thread Size 3/4-20
Electrical Requirements 1 115V/230V
Electrical Requirements 2 50/60Hz
Electrical Requirements 3 1 Phase
Motor Options 1399
Wired for 115V, 60Hz, 1Ph 1399B-01
Wired for 230V, 60Hz, 1Ph N/A
Wired for 230V, 50Hz, 1Ph 1399C-02
Wired for 230V, 60Hz, 3Ph N/A
Wired for 230V, 50Hz, 3Ph N/A
Replacement Parts
Shaft Seal: Lip Seal 1401E -01
Shaft Seal: Mechanical Seal 1401D
Air Filter Screen 41-0660
Intake Chamber Cover Gasket 41-0234
Oil Case Gasket 41-0403
Drain Plug 61-2278
Oil Window 41-3753
Large Vane 41-0959
Small Vane N/A
Large Vane Spring 41-1304
Small Vane Spring N/A
Large Vane Spring Holder 41-1685
Repair Kits
Minor Repair Kit 1399K-03
Major Repair Kit 1399K-04
Base and Belt Guard Kit 1371E
Replacement Parts
Small Vane Spring Holder N/A
Shaft 41-2374
Upper Exhaust Valve 41-0695
Lower Exhaust Valve 41-1775
Optional Exhaust Filter 1417
Optional Exhaust Filter
Element 1417L
Pump Pulley 41-2191
Standard Belt 1399A
Standard Hose Barb Fitting 1393J
Standard Flange Adapter
Fitting 1393F
Pressure Release Valve N/A