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Welch™ Self-Cleaning Vacuum System

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

$5,759.54 - $9,368.25

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.
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Products ${productFamilyLength}
Catalog Number Mfr. No. Amperage Hertz Model Voltage Price Quantity  
Catalog Number Mfr. No. Amperage Hertz Model Voltage Price Quantity  
01-257-120 Welch™
202601
1.5A 50Hz 2026 115V Each for $6,743.28
01-257-154 Welch™
202801
1.5A 50Hz 2028 - Programmable 115V Each for $9,368.25
01-129-19 Welch™
202501
1.5A 60Hz 2025 115V Each for $5,759.54
01-257-121 Welch™
202701
1.5A 50Hz 2027 115V Each for $7,191.65
Specifications

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

Certifications

CE, CSA

Description & Specifications

Specifications

CE, CSA
0.25 in.
11.3 in.
0.2hp
34.5cm
36 lb.
30 lb.
12 in.
35L/min.
0.63cm
28.7cm
13.6 in.
PTFE
16.4kg
13.6kg