Welch 2014B-01 DryFast Chemical Duty Diaphragm Vacuum Pump – 35 L/min, 40 Torr (115V)
Welch 2014B-01 DryFast Chemical Duty Diaphragm Vacuum Pump – 35 L/min, 40 Torr (115V)
The Welch 2014B-01 DryFast is a compact, oil-free PTFE diaphragm vacuum pump designed for aggressive chemical applications. It delivers a pumping speed of 35 L/min and reaches a maximum vacuum of 40 Torr, with precise tunable control down to 1 Torr increments.
Built with chemical-resistant PTFE diaphragms and valves, the 2014B-01 provides excellent durability when handling harsh vapors, solvents, and corrosive gases — without oil contamination or backstreaming risks.
Key Features & Benefits
- Oil-free PTFE diaphragm technology – no oil changes or disposal
- Excellent chemical resistance for aggressive vapors and solvents
- Precise vacuum control with front-mounted ergonomic knob (tunable within 1 Torr)
- Lightweight and compact design (only 15 lbs)
- Quiet operation and low maintenance
- 115V, 60 Hz with US standard plug
- Ideal for benchtop laboratory use
Technical Specifications
| Specification | Value |
|---|---|
| Pumping Speed | 35 L/min |
| Maximum Vacuum | 40 Torr |
| Tunable Vacuum Control | Down to 1 Torr increments |
| Voltage | 115V, 60 Hz |
| Intake / Exhaust Threads | M14 (1/8") |
| Tubing Size Recommended | 1/4" ID |
| Dimensions (L x W x H) | 12" x 7" x 8.3" |
| Weight | 15 lbs (6.8 kg) |
Ideal Applications
- Rotary evaporation
- Vacuum filtration
- Aspiration
- Degassing
- Solvent recovery
- General laboratory vacuum with harsh or corrosive vapors
The Welch 2014B-01 DryFast Chemical Duty Diaphragm Pump is a reliable, low-maintenance solution for chemists and researchers who need clean, chemical-resistant vacuum in a compact package.
The Welch 2014B-01 DryFast Chemical Duty Diaphragm Pump provides tune able control, precisely within 1 Torr. An excellent vacuum pump for the most harsh chemical processes. The Welch 2014B-01 is lightweight, with a control knob ergonomically easy to use, front and center of the pump.
At 40 Torr, the 2014B-01 is the perfect filtration, aspiration or general lab vacuum use pump for harsh vapors.
Welch Dryfast Vacuum Pump -We highly recommend PTFE diaphragm pumps. PTFE diaphragm pumps are super chemically resistant and do not backstream PTFE dust into the process/product.
Welch 2014B-01 DryFast Chemical Duty Diaphragm Vacuum Pump – 35 L/min, 40 Torr (115V)
The Welch 2014B-01 DryFast is a compact, oil-free PTFE diaphragm vacuum pump designed for aggressive chemical applications. It delivers a pumping speed of 35 L/min and reaches a maximum vacuum of 40 Torr, with precise tunable control down to 1 Torr increments.
Built with chemical-resistant PTFE diaphragms and valves, the 2014B-01 provides excellent durability when handling harsh vapors, solvents, and corrosive gases — without oil contamination or backstreaming risks.
Key Features & Benefits
- Oil-free PTFE diaphragm technology – no oil changes or disposal
- Excellent chemical resistance for aggressive vapors and solvents
- Precise vacuum control with front-mounted ergonomic knob (tunable within 1 Torr)
- Lightweight and compact design (only 15 lbs)
- Quiet operation and low maintenance
- 115V, 60 Hz with US standard plug
- Ideal for benchtop laboratory use
Technical Specifications
| Specification | Value |
|---|---|
| Pumping Speed | 35 L/min |
| Maximum Vacuum | 40 Torr |
| Tunable Vacuum Control | Down to 1 Torr increments |
| Voltage | 115V, 60 Hz |
| Intake / Exhaust Threads | M14 (1/8") |
| Tubing Size Recommended | 1/4" ID |
| Dimensions (L x W x H) | 12" x 7" x 8.3" |
| Weight | 15 lbs (6.8 kg) |
Ideal Applications
- Rotary evaporation
- Vacuum filtration
- Aspiration
- Degassing
- Solvent recovery
- General laboratory vacuum with harsh or corrosive vapors
The Welch 2014B-01 DryFast Chemical Duty Diaphragm Pump is a reliable, low-maintenance solution for chemists and researchers who need clean, chemical-resistant vacuum in a compact package.
The Welch 2014B-01 DryFast Chemical Duty Diaphragm Pump provides tune able control, precisely within 1 Torr. An excellent vacuum pump for the most harsh chemical processes. The Welch 2014B-01 is lightweight, with a control knob ergonomically easy to use, front and center of the pump.
At 40 Torr, the 2014B-01 is the perfect filtration, aspiration or general lab vacuum use pump for harsh vapors.
Welch Dryfast Vacuum Pump -We highly recommend PTFE diaphragm pumps. PTFE diaphragm pumps are super chemically resistant and do not backstream PTFE dust into the process/product.



