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Welch™ Self-Cleaning Vacuum System

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

$5,639.33 - $9,172.50

Specifications

Certifications/Compliance CE, CSA
Flow Rate 35L/min.
For Tube Size (English) 0.25 in.
For Tube Size (Metric) 0.63cm
Height (English) 11.3 in.
View More Specs
Products
Catalog Number Mfr. No. Amperage Hertz Model Voltage Price Quantity    

01-257-120

 
welch™
202601
1.5A 50Hz 2026 115V Each for $6,620.59

01-257-154

 
welch™
202801
1.5A 50Hz 2028 - Programmable 115V Each for $9,172.50

01-129-19

 
welch™
202501
1.5A 60Hz 2025 115V Each for $5,639.33

01-257-121

 
welch™
202701
1.5A 50Hz 2027 115V Each for $7,059.59
Description & Specifications

Specifications

Certifications/Compliance CE, CSA
Flow Rate 35L/min.
For Tube Size (English) 0.25 in.
For Tube Size (Metric) 0.63cm
Height (English) 11.3 in.
Height (Metric) 28.7cm
Horsepower 0.2hp
Length (English) 13.6 in.
Length (Metric) 34.5cm
Material PTFE
Shipping Weight (English) 36 lb.
Shipping Weight (Metric) 16.4kg
Weight (English) 30 lb.
Weight (Metric) 13.6kg
Width (English) 12 in.

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

 

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

CE, CSA