Welch Vacuum 1376 Duoseal Belt Drive - Manual (Page 13)

Specifi cations
Free Air Displacement, L/M (CFM) 300 (10.6)
Gas Ballast Yes
Ultimate Pressure, Torr (mbar) 1 (1.3)x10-4
Rotational Pump (RPM) 525
Oil Capacity, quarts (Liters) 2.5 (2.4)
Net Wt. Unmounted Pump, lb (Kg) 107 (52)
Net Wt. Mounted Pump, lb (Kg) 156 (71)
Standard Flange Size NW25
Tubing Needed (I.D. Inches) 13/16
Intake Thread Size 1-20
Exhaust Thread Size 1-20
Electrical Requirements 1 115V/230V
Electrical Requirements 2 60Hz
Electrical Requirements 3 1 Phase
Motor Options 1376
Wired for 115V, 60Hz, 1Ph 1376B-01
Wired for 230V, 60Hz, 1Ph N/A
Wired for 230V, 50Hz, 1Ph 1376C-03*
Wired for 230V, 60Hz, 3Ph 1376M-01
Wired for 230V, 50Hz, 3Ph N/A
Replacement Parts
Shaft Seal: Lip Seal 1401D -01
Shaft Seal: Mechanical Seal 1401D
Dust Cap 61-8912
Air Filter Screen 41-1692
Intake Chamber Cover Gasket 41-0234
Oil Case Gasket 41-0403
Drain Plug 61-2278
Oil Window 61-2229A
Large Vane 41-1684
Small Vane 41-1487
Large Vane Spring 41-1304
Small Vane Spring 41-1304
Large Vane Spring Holder 41-1685
Small Vane Spring Holder 41-1685
Shaft 41-1683
Upper Exhaust Valve 41-2153
Lower Exhaust Valve 41-2154
Optional Exhaust Filter 1417P-10
Optional Exhaust Filter
Element 1417G
Pump Pulley 41-2074
Standard Belt 1405A
Standard Hose Barb Fitting 1393K
Standard Flange Adapter
Fitting 1393G
Pressure Release Valve 41-0992
Repair Kits
Minor Repair Kit 1376K-05
Major Repair Kit 1376K-06
Base and Belt Guard Kit 1371B-01
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