Welch™ Gem™ Vacuum Pumps and Systems
Designed for rotary evaporations with high boiling point solvents
Manufacturer: Welch™ 8890A70
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.
Dimensions: 14.5L × 5.12W × 14.37 in. H (36.8 × 13 × 36.3cm). Net weight: 27.5 lb. (12.5kg). For 115V 60Hz.
|Tubing, gauge, Model 1421 vacuum regulator, 1416B exhaust mist eliminator, plus the GEM pump to connect to a rotary evaporator|
|High-vacuum gear pump systems for rotary evaporators|