Welch Self Cleaning Model 2028 Vacuum System- 115V, 60Hz, 1 Phase. PTFE Chemical Resistant Construction. 1.2 CFM, 2 Torr. *For solvents with boiling point of less than 160°C*.
 
Chemical duty PTFE constructed diaphragm pump.  Capable of deep vacuum (2 Torr/ 29.84” HgV) with adjustable vacuum to help control evaporation rate and prevent accidental bumping/foaming.  Near maintenance free for solvent stripping up to 5L. Built for durability, reliability, long service life, chemical resistance. Known for high efficiency pumping capacity into deep vacuum. 
 
	
Automatic self-cleaning purge system ejects condensed vapors after shut down
	
Built in inlet and discharge separator jars to protect pump from intake of liquids and lab environment from discharge of condensed liquid.
	
Oil free “dry” operation
	
Chemical resistant with PTFE coating – ideal for solvent, acidic, basic vapors
	
Adjustable vacuum level & precise vacuum control.
	
Deep vacuum for higher purity product – 2 Torr
	
Low maintenance requirement and cost of ownership with longer life span
	
Uncontaminated pumping of gases results in cleaner samples
	
Small footprint and portable 
	
Keypad control interface with LED readout. 
 
Additional motor options available.
Additional accessories available for inlet, exhaust, or application.
Complete package systems available.