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Welch™ Gem™ Vacuum Pumps and Systems
Designed for rotary evaporations with high boiling point solvents
Manufacturer: Welch™ 8890A
Includes: Exhaust mist eliminator
Description
Rugged gear pumping mechanism operates over a wide range of pressures. Efficiently pumps vapors without condensing them into the pump.
- Effective evaporation for DMSO and other high boiling point solvents
- Adjustable vacuum to prevent bumping
- Gear pump mechanism is tolerant of vapors
- Exhaust mist eliminator prevents oil loss
- Free air displacement: 31L/min. (1.1cfm)
- Ultimate vacuum: 0.1 torr
- Oil capacity: 0.5 qt. (0.45L)
- Accepts tubing: 10mm I.D.
Order Info
Dimensions: 14.5L × 5.12W × 14.37 in. H (36.8 × 13 × 36.3cm). Net weight: 27.5 lb. (12.5kg). For 115V 60Hz.
Compliance
CSA approved
Specifications
| 0.1 torr | |
| 115V | |
| 11.8kg | |
| 3450rpm | |
| 115V 60Hz | |
| 24.5 lb. | |
| 31L/min. | |
| 60Hz | |
| 21.3cm | |
| 36.8cm |
| 0.25hp | |
| 26 lb. | |
| Exhaust mist eliminator | |
| CSA | |
| 50dBA | |
| 11.1kg | |
| Rotary evaporator | |
| 14.4 in. | |
| 14.5 in. | |
| 5.1 in. |