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Fan Favorite Welch Vacuum 2546b-01 Standard Duty Pump, 1-head, 45 Lpm, 60 Torr, 115v Quality Assured [8yDF0Acu]

$79.99 $255.99 -69%

FeaturesOne-head WOB-L-style piston pump with intake and exhaust catch jars for use in vacuum or pressure applications with gel dryers, concentrators, and rotary evaporators 46 liter per minute (LPM) free air displacement with vacuum to 60 Torr.Manua

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Fan Favorite Welch Vacuum 2546b-01 Standard Duty Pump, 1-head, 45 Lpm, 60 Torr, 115v Quality Assured [8yDF0Acu]

Features

One-head WOB-L-style piston pump with intake and exhaust catch jars for use in vacuum or pressure applications with gel dryers, concentrators, and rotary evaporators 46 liter per minute (LPM) free air displacement with vacuum to 60 Torr.

Manually adjustable vacuum and pressure levels with gauges Oil-free pump for operation without oil misting and contaminated oil disposal. 1/4 HP motor accepts 115V, 60Hz input power.

Description

The Welch Vacuum 2546B-01 one-head WOB-L-style piston pump has an 46 liter per minute (LPM) free air displacement with vacuum to 60 Torr and is suitable for use with gel dryers, concentrators, and rotary evaporators in non-corrosive environments. The vacuum/pressure pump has intake and exhaust catch jars for collecting condensation, vacuum and pressure gauges, and manually adjustable vacuum and pressure levels. It is driven by a 1/4 HP motor that accepts 115V, 60Hz input power. It connects to 3/16" inside diameter vacuum system tubing (sold separately).

Welch-Ilmvac, a subdivision of Denver Gardner, manufactures vacuum pumps, systems, and components for industrial and research applications under the Welch and Ilmvac brand names. Denver Gardner, founded in 1859, is headquartered in Milwaukee, WI.

CLICK HERE TO VIEW THE 2546B-01 MANUAL

EXPLODED VIEW AND REPAIR KITS

Wetted Parts

304 Stainless Steel, Aluminum, PTFE

Free-Air Capacity (CFM)

1.6

Free-Air Capacity (LPM)

45

Free-Air Capacity (LPH)

2700

Max Flow Rate (CFM)

1.58

Max Flow Rate (Liters/min)

45

Max Vacuum (in Hg)

27.6

Max Vacuum (mbar)

78.6

Max Vacuum (mm Hg)

59

Max Vacuum (torr)

59

Port Size

1/4" hose barb

Max Temperature (° F)

104

Max Temperature (° C)

40

Duty Cycle

Continuous

Power (VAC)

115

Power (amps)

3.6

Power (Hz)

60

Motor Type

Permanent split capacitor

Height (in)

10

Length (in)

8

Height (cm)

25.4

Length (cm)

20.32

Height (mm)

254

Length (mm)

203.2

Motor

hp1/4

Description

Standard Duty Dry Vacuum Piston Pumps, 45 L/min, 115 VAC

What Our Customers Say

January 21, 2026

Absolutely no complaints!

This is a very, very, very, very nice item.

- Sulien Z..

January 21, 2026

Absolutely no complaints!

This is a really, really, really, really good product.

- Madog N..

January 21, 2026

Absolutely no complaints!

An excellent item. It’s exceptionally and very great.

- Ninian O..

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