Diaphragm Pumps suit distilling, drying, and concentrating.
February 23, 2005 - DRYFAST ULTRA® 2 Torr Chemical-Duty Models 2021 and 2031 are stand-alone units suited for tight spaces. Self-cleaning Dry Vacuum Models 2026 and 2027 feature integrated vacuum level control valve, analog or digital gauge, and gas ballast to inhibit vapor condensation. With flows to 32 L/min at 29.85 in. Hg, pumps are virtually maintenance-free and require no oil or water. All wetted surfaces are PTFE to handle acids, bases, and other aggressive vapors.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Gardner Denver Welch Vacuum Technology, Inc
7300 N. Linder Ave.
Skokie, IL, 60077
USA
New DRYFAST ULTRA® 2 Torr Chemical Duty (Oil-Free) Diaphragm Pumps
New DRYFAST ULTRA® 2 Torr Chemical Duty (Oil-Free) diaphragm pumps for Distilling, Drying and Concentrating. Stand-alone models 2021 and 2031 are ideal for tight spaces and budgets. Self-Cleaning Dry Vacuum System models 2026 and 2027 feature an integrated vacuum level control valve, analog or digital gauge, gas ballast to inhibit vapor condensation and a patented self-cleaning mechanism to help extended membrane life. The High-flow (up to 32 L/min. at 29.85ā€¯ Hg) design allows for rapid stripping of high boiling point solvents such as DMF. Constructed of PTFE (fluorinated plastics) on all wetted surfaces to handle acids, bases and other aggressive vapors. Virtually maintenance free with no water or oil needed to operate. DRYFAST ULTRA from Welch Rietschle Thomas, www.welchvacuum.com. Your vacuum source for over 100 years.
Josef Bystron
Laboratory Product Manager
Welch Rietschle Thomas
7301 N. Central Ave
Skokie, Ill 60077
847-676-8810
fax: 847-677-8606
JBystron@thomasind.com
www.welchvacuum.com
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