Welch Vacuum 2546B-01 Standard Duty Pump, 1-Head, 46 LPM, 60 Torr, 115V

Product Code WELCH-2546B-01

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Product 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
Product 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.

Model Number:     2546
Applications:     Filtration (1 to 6 funnels), Aspiration, Desiccation, SPE, Replace water aspirator, Vacuum Drying
Type:     Laboratory Vacuum Pump
Free Air Displacement cfm (l/min.) @60Hz:     1.6(45)
Free Air Displacement m3/hr (l/min.) @50Hz:     2.3(38)
Ultimate Pressure:     60(80)
Maximum Vacuum:     27.6
Max Pressure PSIG (pascal):     100(106)
Motor Horsepower (watts):     1/4(190)
Adjustable Vac. / Gas Ballast:     Yes
Tubing Needed:     3/16(5)
Intake Thread NPT:     4-Jan
Overall Dimensions LxWxH in. (cm):     10x7.5x9 (25.4x19.1x7.7)
Ship Weight:     17(7.7)
Shipping Carton Dimensions LxWxH in. (cm):     15.3x12.3x12.7 (39x31x32)
Intake Catch Jar:     Yes
Exhaust Catch Jar:     Yes
Adjustable Vacuum:     Knob
Adjustable Pressure:     Yes
Vacuum Gauge:     Dial
Pressure Gauge:     Dial"

Local Delivery

We offer delivery services for large orders to customers from Central California all the way to San Diego. Please call our sales team for more information on weekly, bi-weekly, or monthly deliveries and pricing. 626.332.7744


Shipping Time

Our main warehouse is located near Los Angeles, you can use the map below to estimate delivery time. Most orders ship one business day after the order is placed, then the transit days will follow. Below the map you will find exceptions to these rules for certain products.

Some items we sell may be warehoused in Amazon's warehouses across the US. If the item you order happens to be in on of their warehouses it will generally arrive in 3 days. If you need to know about a specific item please feel free to contact us and we'll let you know.

Larger and heavier items have to be shipped via LTL Freight. LTL shipments tend to take longer to arrive, but they have the benefit of being much safer for heavy and delicate items. If your order has to be shipped by LTL Freight we will contact you to find out if the delivery address is a residential or commercial address, and whether a loading dock or forklift is available. The freight company will call you to arrange a delivery appointment, usually a day before.


Shipping Costs

The cost of shipping varies based on where you live, how much the order weighs, and the value of the order. We've outline our shipping guidelines below:

To Contiguous US:

  • Orders over $100 ship free
  • Orders $99.99 and under are a $10 flat fee

To Alaska, Hawaii, and other US Territories:

 Cost will be calculated by weight at time of checkout.

To Other Countries:
We currently only offer shipping to addresses within the US. However, you can utilize our shipping partner Shipito to forward the package to you. View Details Here

Welch Vacuum 2546B-01 Standard Duty Pump, 1-Head, 46 LPM, 60 Torr, 115V

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