Welch 2025 Dry Vac Pump PTFE

Item: 5537B VAC PUMP


All products ship from our 30,000 sq. ft. Haverhill, MA warehouse

Contact Us

Call 978-521-2221
to request information & pricing for item 5537B VAC PUMP

90-Day Warranty

American Instrument Exchange
Contact us for all your used lab equipment needs

1023 Western Ave.
Haverhill, MA 01832

Phone: 978-521-2221
Fax: 978-521-8822

Email: info@americaninstrument.com

Shipping Policy

Welch 2025 Self-Cleaning Dry Vac Pump PTFE

  • 35 l/min at 60Hz (29 l/min. at 50Hz) displacement
  • 9 torr (12 mbar) ultimate vacuum
  • Automatic self-cleaning purge
  • 90-day warranty

The Welch 2025 offers analog vacuum read-out, vacuum regulator, 9 torr (12 mbar) ultimate vacuum for fast stripping of most common rotary evaporation solvents. Fast stripping of rotary evaporator solvents with boiling point < 110 °C.

The self-cleaning feature and vacuum control technology contribute to Self-Cleaning Systems’ long diaphragm life.

Self-Cleaning Dry Vacuum Systems are complete vacuum solutions for rotary evaporation. They feature rugged corrosion resistant PTFE diaphragm pumps for low maintenance and long life. and you can optimize each solvent evaporation using handy vacuum adjustment. They also include analog vacuum read-out; inlet and outlet traps to protect the pump and exhaust line from liquids; prominent emergency "bump stop" switch for bumping/foaming control; have 35 l/min at 60Hz (29 l/min. at 50Hz); and an automatic self-cleaning purge at shutdown.

All of our equipment is used and reconditioned. Our technicians test all equipment to confirm that it operates properly and to the manufacturer’s specifications. While we can’t test for a specific analytical application, we will do our best to simulate the conditions under which the equipment will be run. If you have particular testing requirements or requests please let us know and we’ll work with you to make sure these requirements are addressed during testing.

The photos above are representative. Please bear in mind that the equipment shown is currently in storage in our warehouse and that in addition to testing each machine we will clean all the equipment thoroughly prior to shipment. We often have multiple units of each model in stock and sometimes we're unable to feature photos of every single unit. At your request, we can provide photos of the equipment in your order after it has been tested and cleaned.

Please call 978-521-2221 or email us today for pricing and additional information.