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Welch™ Self-Cleaning Vacuum System

Complete oil-free dry vacuum systems for rotary evaporators and concentrators

Manufacturer:  Welch™ 202701

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Catalog No. 01-257-121


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Description

Description

Corrosion-resistant PTFE diaphragm vacuum systems enable superior evaporation control and efficiency. Preserve your sample and your time with rapid, controlled solvent stripping from flasks up to 5L. Use 2 torr models for fast stripping of DMF.

Programmable Model 2028 enables walk-away control for up to five vacuum / time methods for 2 solvent samples.

 

  • Automatic self-cleaning purge maintains efficiency, extends diaphragm life
  • Free air displacement: 35 L/min (1.2 CFM)
  • Incremental ballast switch enables fast response to bumping/foaming
  • Inlet and exhaust separators protect pump and lab air from contaminants
  • Select 9 torr model for atmospheric B.P to 120°C; 2 torr model to B.P. 160°C

 

Order Info

Dimensions: 13.62L x 12W x 11.3 in. H (34.5 x 30.5 x 28.1cm). Net weight: 30 lb. (13.6kg)

Certifications

CE, CSA

Specifications

Specifications

0.2hp
36 lb.
1.5A
115V 50Hz
2027
13.6kg
Filtration, vacuum ovens, aspiration, chamber roughing
11.3 in.
13.6 in.
12 in.
115V
16.4kg
CE, CSA
PTFE
30 lb.
35L/min.
50Hz
28.7cm
34.5cm
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