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Welch™ Gem™ Vacuum Pumps and Systems
Designed for rotary evaporations with high boiling point solvents
Manufacturer: Welch™ 8890A70
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
115 V | |
0.25 hp | |
11.8 kg | |
3450 rpm | |
115 V 60 Hz | |
50 dB (A) | |
11.1 kg | |
Rotary evaporator | |
8.4 in. | |
14.5 in. | |
5.1 in. |
0.1 torr | |
26 lb. | |
Tubing, gauge, Model 1421 vacuum regulator, 1416B exhaust mist eliminator, plus the GEM pump to connect to a rotary evaporator | |
CSA | |
High-vacuum gear pump systems for rotary evaporators | |
24.5 lb. | |
31 L/min. | |
60 Hz | |
21.3 cm | |
36.8 cm |
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