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WELCH Self-Cleaning Vacuum System

Product SKU: 2025-01

Quick Overview

Vacuum System

Availability: In stock



Product Details

  • 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

Complete oil-free dry vacuum systems for rotary evaporators and concentrators. Corrosion-resistant PTFE diaphragm vacuum pump systems enable superior control and efficiency for each evaporation. Provides controlled solvent stripping in flasks up to 5 L. Use 9 torr Model 2025 for solvents with atmospheric B.P. <120o C. Includes analog gauge and vacuum regulation. Inlet and exhaust separators protect pump and lab atmosphere.


Additional Information

Model Number2025
Applications Controlled vacuum for Rotary evaporators, Centrifugal concentrators, and other evaporative processes.
Type Laboratory Vacuum Pumps
Free Air Displacement m3/hr (l/min.) @50Hz 1.2(34)
Ultimate Pressure 1.7(28)
Max Pressure PSIG (pascal) 29.5
Adjustable Vac. / Gas Ballast 1/5
Tubing Needed Yes
Intake Thread NPT 1/4
ISO Exhaust / Intake Flange 3/8
Overall Dimensions LxWxH in. (cm) 13.6x12x11.3 (34.5x30.5x28.7)
Ship Weight 36(16.3)
Intake Catch Jar Yes
Exhaust Catch Jar Yes
Chemical Duty