Welch 1.3 CFM 37 L/min Vacuum Filtration Diaphragm Pump 2019
Reference:
Manufacturer: Welch Pumps
Economical Model 2019 diaphragm vacuum pump is durable and chemical resistant. Use Model 2019 for vacuum filtration, desiccation, degassing, and other mid-range vacuum applications.
Recommended for operations utilizing organic / aqueous solvents and or light acid / base (e.g. acetic acid) solutions. Ideal for single funnel vacuum filtrations, SPE manifolds, or up to 6 holder manifold filtrations.
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Product Details
- PTFE Contact Surfaces
- Light and Portable
Suggested Applications
- Vacuum Filtration
Overview
The Welch 2019 is an economical, oil-free diaphragm pump for vacuum filtration and other mid-range vacuum work. It moves 1.3 cfm (37 L/min) of free air at 60 Hz and reaches an ultimate pressure of 150 Torr (200 mbar).
Its PTFE-coated parts handle moderate solvents, so it suits organic or aqueous solvents and light acid or base solutions such as acetic acid. It is light enough to move between benches and comes with an exhaust muffler.
Key features
- Oil-free diaphragm pump
- 1.3 cfm (37 L/min) at 60 Hz
- Ultimate pressure 150 Torr (200 mbar)
- PTFE-coated contact parts
- Includes exhaust muffler
- 110 V 60 Hz or 230 V 50 Hz - choose at checkout
Delivery and pickup
- Ships across Canada and to the USA by Purolator, UPS or FedEx - live rates at checkout.
- Free pickup in Langley, BC.
- We deliver orders of $1000 or more in the Lower Mainland and Fraser Valley ourselves.
Questions
What is it best for?
Single-funnel vacuum filtration, SPE manifolds or filtration manifolds with up to 6 holders, plus desiccation and degassing.
Is it suitable for rotary evaporation?
It is built for mid-range vacuum (150 Torr ultimate). For evaporating most solvents you need a pump that pulls a deeper vacuum.
Does it need oil?
No. It is an oil-free diaphragm pump.
| Free Air Displacement, CFM (l/min) | 1.3 (37) |
| Ultimate Vacuum, torr (mbar) | 150 (200) |
| Max. Vacuum, in Hg | 24 |
| Tubing Needed, I.D. in. (mm) | 1/4 (7) |
| Weight, lbs | 10.2 |
| Overall Dimensions | 8.8 x 5 x 8.8 |
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