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Supplier: Welch Vacuum
Description: Female pipe adapters are made of stainless steel

Supplier: Welch Vacuum
Description: Extend Service Intervals through cooler running, larger oil capacity, and internal surface protection.

Supplier: Welch Vacuum
Description: For use with Welch® peristaltic pumps (see <B>84009-696</B> series).

Supplier: Welch Vacuum
Description: Used to mate two different sizes of ISO flanges

Catalog Number: (55007-176)
Supplier: Welch Vacuum
Description: Dry ice cold trap features a removable 2.8L (3qt.) center well for dry ice/alcohol slurry (do not use acetone) and a visible trapping surface

Product available on GSA Advantage®


Supplier: Welch Vacuum
Description: Converts ISO NW connection to a hose fitting

Supplier: Welch Vacuum
Description: Stainless steel centering ring with replaceable Viton® O-ring. Use to 150 °C sustained, 200 °C intermittent.

Catalog Number: (89412-358)
Supplier: Welch Vacuum
Description: Affordable Model 2019 vacuum pump is durable and chemical resistant

Product available on GSA Advantage®


Catalog Number: (470110-926)
Supplier: Welch Vacuum
Description: Welch DuoSeal is a single-stage pump with metal vanes and motor mounted on steel base with rubber feet.

Product available on GSA Advantage®


Supplier: Welch Vacuum
Description: Premium and Gold pump oils are the only oils recommended for use with Welch direct-drive vacuum pumps

Product available on GSA Advantage®

Supplier: Welch Vacuum
Description: DUOSEAL® pump oil recommended for DUOSEAL® vacuum pumps

Supplier: Welch Vacuum
Description: Use these rugged oil-seal pumps for a wide range of laboratory vacuum needs

Supplier: Welch Vacuum
Description: Red rubber tubing sold in 1.5m (5') lengths; clamps sold in packages of ten.

Product available on GSA Advantage®

Supplier: Welch Vacuum
Description: These oil-free pumps are ideal for basic lab operations.

Product available on GSA Advantage®

Supplier: Welch Vacuum
Description: Corrosive gases, such as HCl, HBr, Br2, Cl2, and F3CCO2H, are commonly used for peptide chemistry, molecular biology, and biochemistry applications

Product available on GSA Advantage®

Supplier: Welch Vacuum
Description: These dry vacuum pumps, designed to meet chemical duty laboratory needs, are ideal for rotary evaporation, concentrators, evaporators, vacuum ovens, filtration, degassing, and other chemical applications

CSA Certified Product available on GSA Advantage®

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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