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Welch™ DuoSeal™ High-Vacuum Pumps
Rugged, durable pumps are ideal for demanding applications such as Schlenk drying lines, freeze drying, vacuum distillations, concentrating and degassing
Supplier: Welch™ 1402B01
Includes: V-belts, pulleys, belt-guard, oil supply, 3-wire cord (except 01-105-1 which must be conduit wired), plug, inline switch and instructions.
Description
The ruggedness is a result of reduced frictional wear (less than 580rpm vs. typical 1750rpm direct-drive pumps) and high contamination tolerance (contaminants diluted due to large oil capacity).
- Dual-voltage models come wired for lowest voltage listed in specifications chart; may be converted to higher voltage listed by rewiring
- Wiring diagram supplied with each model
- All models are single phase
Specifications
| 1 x 10-4 torr | |
| 128 lb. | |
| 8.8/4.4 A | |
| 525 rpm | |
| 1402 | |
| 58 kg | |
| 60 Hz | |
| 38.1 cm | |
| 51 cm | |
| Two-stage High Vacuum Pump | |
| 1 x 10-4 torr |
| 0.5 hp | |
| 58 kg | |
| V-belts, pulleys, belt guard, Oil supply, 3-wire cord, N. American 115V plug, inline switch and instructions | |
| 115/230 V 60 Hz | |
| 128 lb. | |
| 5.6 CFM | |
| 15 in. | |
| 20 in. | |
| 12 in. | |
| Freeze Drying | |
| 115/230 V |
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