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Welch™ Gem™ Vacuum Pumps and Systems

Designed for rotary evaporations with high boiling point solvents

Manufacturer:  Welch™ 8890A

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Catalog No. 01-115-2



Includes: Exhaust mist eliminator

Description

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

Specifications

0.1 torr
115V
11.8kg
3450rpm
115V 60Hz
50dBA
11.1kg
Rotary evaporator
14.4 in.
14.5 in.
5.1 in.
0.25hp
26 lb.
Exhaust mist eliminator
CSA
GEM Vacuum Pump Standard Model
24.5 lb.
31L/min.
60Hz
21.3cm
36.8cm
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