Welch 2052B-01 Chemical Duty Diaphram Pump, 2.3 CFM, 1.5 Torr, 115 VAC

Product Code WELCH-2052B-01

AvailabilityIn stock

$4,640.00 $4,640.00
Unit price
Shipping calculated at checkout.
Most Orders Arrive in Four Days or less.
View Shipping Info Below.

The Welch 2052 is a full chemical-resistant, 4-head, oil-free dry diaphragm vacuum pump with all-PTFE contact surfaces and deep vacuum capability. Oil-Free, portable, full chemical-resistant, means less maintenance and no more frequent and costly oil change, or cross contamination.

Welch 2052B-01 PTFE Dry Chemical Duty Pump Owner's Manual


Electrical requirements

110V or 220V 50/60Hz single phase 0.53 HP, 390 watts

Pumping rate

65 Lit/min. (2.3 CFM)

Gasket material


Ultimate vacuum level

1.5 Torr / 2 mbar

Maximum vacuum

29.9 in. Hg


1/4" NPT

Adjustable vac./gas ballast


Pump dimensions (LxWxH)

9 x 15 x 7 inches

Shipping dimensions (LxWxH)

10.2 x 16.6 x 7.5 inches

Pump weight

40.3 Lb

Shipping weight

50 Lb



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.

HFS Shipping T

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:

Item Weight

Shipping Costs

0-50 lbs

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

Over 50 lbs

The shipping cost will be automatically calculated by the system based on the weight of your items and the delivery address provided.


To Alaska, Hawaii, and other US Territories:

 Cost will be calculated by weight at time of checkout.

To Other Countries:
We currently can offer shipping service internationally.
Please contact us for international shipping cost: info@hfsusa.com

Welch 2052B-01 Chemical Duty Diaphram Pump, 2.3 CFM, 1.5 Torr, 115 VAC

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