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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Catalog Number: (60005-202)
Supplier: Kemtech America
Description: High vacuum stopcock with double oblique bore hollow glass plug.

Minority or Woman-Owned Business Enterprise Small Business Enterprise


Supplier: Chemglass
Description: A 1:5 taper PTFE stopcock with three stems sealed 90° apart. The PTFE plug has a 'T' shaped bore to connect any two, or all three stems.

Small Business Enterprise

Catalog Number: (76253-224)
Supplier: VALUE PLASTICS TE
Description: One-way stopcock made of polycarbonate.


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

Minority or Woman-Owned Business Enterprise Small Business Enterprise

Supplier: Chemglass
Description: The 2 mm through 6 mm bore sizes are supplied complete with the listed size metal retaining clip CG-423. The 8 mm and 10 mm bore sizes are supplied wi...

Small Business Enterprise

Supplier: Wards
Description: Fits glass aspirator bottles with matching joints.

Supplier: CADENCE INC.
Description: Exceptional durability.

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

Minority or Woman-Owned Business Enterprise Small Business Enterprise

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

Small Business Enterprise

Catalog Number: (80074-332)
Supplier: Chemglass
Description: Similar to the CG-476 series, but with the sidearms sealed at a 90° angle to each other. Precision ground and hand-lapped with corresponding numbers o...

Small Business Enterprise


Supplier: Chemglass
Description: Glass portion only of CG-424 stopcock. Accepts 1:5 taper PTFE plugs.

Small Business Enterprise

Catalog Number: (80074-222)
Supplier: Chemglass
Description: Similar to the CG-436 series, but with all three arms being made of 2 mm I.D. capillary tubing.

Small Business Enterprise


Supplier: Chemglass
Description: Hollow plug, oblique bore stopcock is precision ground with corresponding numbers on barrel and plug. Lower vacuum chamber is evacuated via a separate...

Small Business Enterprise

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

Minority or Woman-Owned Business Enterprise 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.
To process your orders without delay, please provide the required business documentation to purchase this product.

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  • State issued document with your organization's Federal Tax ID Number
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* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. VWR will not lift restrictions for residential shipping addresses.

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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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