WELCH 2047 DryFast Diaphragm Vacuum Pump | Model 2047B-01 Chemical Duty (115V)

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WelchSKU: WELCH-2047B-01

Sale price$2,839.99 Regular price$3,340


Welch 2047B-01 DryFast Chemical Duty Diaphragm Pump (115v)

The Welch 2047B-01 DryFast Chemical Duty Diaphragm Pump is an economical pump designed for use in the most demanding chemical processes. This pump has a maximum Air Displacement of 2.5 CFM and an Ultimate Pressure of 35 torr.  A central control knob provides tunable vacuum control within 1 torr of resolution.

The Welch 2047 has superior pumping ability and is capable of operating small vacuum networks.    Its superior design and reliable performance make it an essential tool for laboratory and industrial applications.

For more information please consult the Product Brochure and User Manual.


What's included

US standard plug

Common accessory, not included

Inlet / Exhaust Separator Jars, 1423B

Pumping Speed

2.5 CFM (70L/min)

Ultimate Pressure

35 torr (47mbar)

Max. Vacuum

28.5" Hg

Tubing Needed

1/4" ID

Exhaust / Intake threads


Dimensions LxWxH



21.25 lbs


115V, 60 hz

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