You Searched For: Masterflex+Stopcocks


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Catalog Number: (59140-088)
Supplier: DWK Life Sciences (KIMBLE)
Description: Straight-bore, sandblasted stopcock with a 1:5 taper.


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

Small Business Enterprise


Supplier: Ace Glass
Description: High vacuum stopcock with Tef-Cap O-Ring seals that eliminate exposure to corrosive materials

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: With polished barrels and PTFE plug.

Small Business Enterprise Product available on GSA Advantage®

Supplier: Kemtech America
Description: Stopcock with three stems sealed to the barrel in a T-type configuration.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Catalog Number: (80074-076)
Supplier: Chemglass
Description: Similar to the CG-400 series, but with the sidearms being made of capillary tubing having the same bore as the plug.

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: Thermo Fisher Scientific
Description: Serrated tubulation on each end

Supplier: Ace Glass
Description: High vacuum three-way stopcock for use in combining materials in proportion or as a common feed distributed in proportion

Small Business Enterprise Product available on GSA Advantage®

Supplier: S17 SCIENCE LLC.
Description: Assortment of 2-way stopcocks, syringes, and syringe extenders control the flow of liquids and gases, and make gas-tight connections.

Supplier: Ace Glass
Description: These high vacuum stopcocks are for use in applications involving at least 3.5Kg/cm² of internal pressure

Small Business Enterprise Product available on GSA Advantage®

Supplier: Chemglass
Description: A 1:5 taper PTFE stopcock with three sidearms sealed 120° apart. Plug has a bore to allow connection of any two arms at once.

Small Business Enterprise

Supplier: Ace Glass
Description: Three-way high vacuum stopcock for use in combining materials in proportion or as a common feed distributed in proportion

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: With hollow plug, for connecting either the right or left outlet with the bottom outlet.

Small Business Enterprise Product available on GSA Advantage®

Catalog Number: (80074-194)
Supplier: Chemglass
Description: Similar to the CG-424 series, but with one arm being made of 2 mm I.D. capillary tubing.

Small Business Enterprise


Supplier: Ace Glass
Description: Three-way oblique bore, with liquid seal

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.
You must log in to order restricted items. We request that you provide the required business documentation to purchase this product for the first time.

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:

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


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 currently unavailable but limited stock may be available in our extended warehouse network. Please call 1-800-932-5000 and a VWR Customer Service Representative will help you.
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