You Searched For: Stopcocks

With a ball valve, stopcocks control the flow of liquids and low pressure gases in delivery systems. Fitting into corresponding female joint parts, the plugs come in any number of bore hole arrangements. Often featuring tapered ends, a wider tube diameter range is accommodated for to increase working flexibility. The high quality, leak proof stopcocks meet vacuum applications and come in ground glass styles or plastic to eliminate the need of greasing. VWR offers a wide variety of stopcocks suited for use with liquids or gases under both low or high pressure.

With a ball valve, stopcocks control the flow of liquids and low pressure gases in delivery systems. Fitting into corresponding female joint parts, the plugs come in any number of bore hole arrangements. Often featuring tapered ends, a wider tube diameter range is accommodated for to increase working flexibility. The high quality, leak proof stopcocks meet vacuum applications and come in ground glass styles or plastic to eliminate the need of greasing. VWR offers a wide variety of stopcocks suited for use with liquids or gases under both low or high pressure.


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Supplier: Chemglass
Description: Similar to the CG-458 series, but with two parallel oblique bores. Plug is precision ground and hand-lapped with corresponding numbers on the barrel a...

Small Business Enterprise

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


Supplier: Kemtech America
Description: Stopcock with 1:10 taper straight bore glass plug

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Supplier: Kemtech America
Description: High vacuum stopcock.

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Supplier: Kemtech America
Description: Stopcocks have a 1:5 taper PTFE plug and a threaded pressure nut

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Supplier: Kemtech America
Description: High vacuum stopcock with oblique bore glass plug.

Minority or Woman-Owned Business Enterprise Small Business Enterprise

Supplier: Kemtech America
Description: Stopcocks have 1:5 taper PTFE plug with double oblique bore.

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Supplier: DWK Life Sciences (KIMBLE)
Description: One-way stopcocks with a female to male connection and HDPE plug.
Catalog Number: (80074-082)
Supplier: Chemglass
Description: This stopcock is specially designed for the repair of the sidearm on Schlenk vessels.

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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.

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

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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.

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Supplier: Chemglass
Description: Hollow plug, straight bore stopcock is precision ground and hand-lapped with corresponding numbers on barrel and plug.

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

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Catalog Number: (80074-262)
Supplier: Chemglass
Description: For replacement or construction of burets having a 1:5 PTFE stopcock plug. One arm is pulled to a delivery tip.

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Catalog Number: (80074-318)
Supplier: Chemglass
Description: Solid plug, oblique bore stopcock is precision ground with corresponding numbers on barrel and plug.

Small Business Enterprise


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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.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
-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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