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Welch™ Gem™ Vacuum Pumps and Systems

Designed for rotary evaporations with high boiling point solvents

Manufacturer:  Welch™ 8890A75

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Catalog No. 01-129-2



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
24.5 lb.
31L/min.
60Hz
21.3cm
36.8cm
0.25hp
26 lb.
Tubing, gauge, Model 1421 vacuum regulator, 1416B exhaust mist eliminator, plus the GEM pump to connect to a rotary evaporator
CSA
50dBA
11.1kg
Rotary evaporator
8.4 in.
14.5 in.
5.1 in.
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