DryFast Vacuum pump Welch Inc 57 Torr 2012B-01 PTFE Diaphragm

Description

A vacuum pump, non-oil, diaphragm. Gardner Denver Welch Vacuum Technology Inc.
From my late father's lab equipment. Functions and tested.
Please visit my other ads; many shop, technical and lab & electronic things from my late father's estate.
Description
Designed for use with rotary evaporators, concentrators and vacuum ovens
Use these oil-free DryFast vacuum pumps for applications requiring chemical resistance. DryFast pumps provide mid-range vacuum (2 to 79 torr) with easy adjustment and low maintenance. Flow rates from 25 to 70 L/min). Select a DryFast model to suit your application needs:
Applications
Rotary Evaporation to 40°C atmospheric B.P.: 2014B-01 (1-head design)
Rotary Evaporation to 100°C atmospheric B.P.: 2034B-01, 2044B-01
Rotary Evaporation to 40°C atmospheric B.P.: 2032B-01, 2042B-01
Vacuum Filtration to 2 funnels: 2014B-01 (1-head design)
Vacuum Filtration to 6 funnels: 2037B-01, 2047B-01
Vacuum Ovens to 1.5 ft³: 2042B-01
Vacuum Ovens to 4.5 ft³: 2047B-01
Design Advantages
PTFE / fluorinated contact surfaces
Efficient 2-head diaphragm design reduces maintenance
Advanced Vapor Management knob for easy vacuum adjustment
Compact, portable, quiet
Readily connects using ¼ in. ID tubing
All listed models 115V 60 Hz
Certifications
CSA, CE Marked