You Searched For: Masterflex+Stopcocks


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Supplier: Ace Glass
Description: This stopcock is used in Heidolph 4000 Series rotary evaporator condensers and other popular brand rotary evaporator condensers as an inlet feed tube to allow continuous feed of volumes exceeding capacity of evaporating flask

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: Threaded vacuum stopcock with PTFE plug and new hooded handle that permits smooth needle valve adjustment down to 0.1 cc/min flow rate.

Small Business Enterprise Product available on GSA Advantage®

Supplier: Kemtech America
Description: Stopcock with solid glass T-bore plug.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Ace Glass
Description: Used with distilling head to enable operator to determine reflux ratios and take-offs.

Small Business Enterprise Product available on GSA Advantage®

Catalog Number: (89134-220)
Supplier: SAI Infusion Technologies
Description: SAI's stopcocks maximize the ability to control the delivery path of fluids.


Supplier: Ace Glass
Description: Easy-Action PTFE plugs permit smooth adjustment

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: Stopcock plug 89062-770 is designed for use with Retainer O-Ring size –011

Small Business Enterprise Product available on GSA Advantage®

Supplier: Chemglass
Description: Similar to the CG-424 series, but with one arm of the stopcock being of a larger diameter.

Small Business Enterprise

Supplier: Chemglass
Description: Solid glass high vacuum stopcock with the new Chemglass improved constant pressure retention device

Small Business Enterprise

Supplier: Ace Glass
Description: High vacuum stopcocks are completely bakeable

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: High pressure oblique bore with solid glass plug.

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: With solid glass plug.

Small Business Enterprise Product available on GSA Advantage®

Catalog Number: (80074-296)
Supplier: Chemglass
Description: Solid glass high vacuum stopcock with the Chemglass constant pressure retention device.

Small Business Enterprise


Supplier: DWK Life Sciences (KIMBLE)
Description: The more exaggerated taper of this stopcock permits easier use at higher-than-ambient temperatures.

Supplier: Chemglass
Description: Similar to the CG-400 series, but with one arm of the stopcock being of a larger diameter.

Small Business Enterprise

Supplier: Ace Glass
Description: High vacuum stopcock with easy action plug that has blunt, flat end instead of the tapered end

Small Business Enterprise 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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