- Powerful vacuum for low temperature processing
- Economical, oil-free, ecologically sound
- Excellent solvent / acid resistance
Use these durable dry diaphragm pumps to provide high flow, deep vacuum for your application. Welch Model 2052 pumps resist corrosive and solvent fumes to provide consistent vacuum levels. Quiet vacuum, low maintenance, and long life - friendly to your budget and the ecology.
Low Temperature Evaporation / Distillation: Model 2052 provides the strong vacuum (1.5 torr) and high flow (65 l/min) needed for batch processing organic extracts. Protect and preserve active product components. Low temperature vacuum oven solvent evaporations and distillations are fast and efficient with Model 2052. Pumps are designed for quick and simple maintenance and servicing.
Models 2054, 2062, 2064, & 2067 (Thomas #s 1191B19 to 1191B26): These items require end user to complete an end-user certificate at time of purchase. See ‘Additional Info’ tab for form and instructions.