Welch Vacuum 1405 Duoseal Belt Drive - Manual (Page 13)

Section 5: QUICK REFERENCE CHART
Motor Options 1405
Wired for 115V, 60Hz, 1Ph 1405B-01
Wired for 230V, 60Hz, 1Ph 1405C-01
Wired for 230V, 50Hz, 1Ph 1405C-02
Wired for 230V, 60Hz, 3Ph N/A
Wired for 230V, 50Hz, 3Ph N/A
Specifi cations
Free Air Displacement, L/M (CFM) 91 (3.2)
Gas Ballast Yes
Ultimate Pressure, Torr (mbar) 1 (1.3)x10-4
Rotational Pump (RPM) 525
Oil Capacity, quarts (Liters) 2.25 (2.1)
Net Wt. Unmounted Pump, lb (Kg) 82 (37)
Net Wt. Mounted Pump, lb (Kg) 112 (51)
Tubing Needed (I.D. Inches) 7/16
Standard Flange Size NW16
Intake Thread Size 1-20
Exhaust Thread Size 1-20
Electrical Requirements 1 115V/230V
Electrical Requirements 2 60Hz
Electrical Requirements 3 1 Phase
Replacement Parts
Shaft Seal: Lip Seal 1401E -01
Shaft Seal: Mechanical Seal 1401E
Air Filter Screen 41-0891
Intake Chamber Cover Gasket 41-1308
Oil Case Gasket N/A
Drain Plug 61-2278
Oil Window 61-2229A
Large Vane 41-1294
Small Vane 41-1294
Large Vane Spring 41-1304
Small Vane Spring 41-1304
Large Vane Spring Holder 41-1303
Small Vane Spring Holder 41-1303
Shaft 41-1293
Upper Exhaust Valve 41-1239
Lower Exhaust Valve N/A
Pressure Release Valve N/A
Optional Exhaust Filter 1417P-10
Optional Exhaust Filter
Element 1417G
Pump Pulley 41-2194
Standard Belt 1405A
Standard Hose Barb Fitting 1393J
Standard Flange Adapter
Fitting 1393F
Repair Kits
Minor Repair Kit 1405K-05
Major Repair Kit 1405K-06
Base and Belt Guard Kit 1371A-01
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