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Stopcocks


132  results were found
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.


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Supplier:  Chemglass
Description:   Similar to the CG-478 series, but with the addition of an extra horizontal sidearm. Precision ground and hand-lapped with corresponding numbers on bar...
Small Business Enterprise
Supplier:  Chemglass
Description:   Solid plug, oblique bore stopcock is precision ground with corresponding numbers on barrel and plug.
Small Business Enterprise
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:  Kemtech America
Description:   Stopcocks have a 1:5 taper PTFE plug and a threaded pressure nut
Minority or Woman-Owned Business Enterprise Small Business Enterprise

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:  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

Supplier:  Chemglass
Description:   Solid glass high vacuum stopcock with the Chemglass constant pressure retention device.
Small Business Enterprise

Supplier:  Kemtech America
Description:   Replacement Teflon® metering stopcock.
Minority or Woman-Owned Business Enterprise Small Business Enterprise
Catalog Number: (75997-206)

Supplier:  Cadence Science
Description:   Made from either nickel plated brass or stainless steel, Cadence Science® metal stopcocks are precision-machined, individually lapped, and carefully m...
Catalog Number: (MFLX06225-60)

Supplier:  HAYWARD INDUSTRIAL PRODUCT INC
Description:   Ideal for laboratory and process sampling.

Supplier:  Chemglass
Description:   Used in the fabrication of small scale apparatus, especially apparatus that has weight restrictions. PTFE plug has a 1:5 taper.
Small Business Enterprise

Supplier:  Electron Microscopy Sciences
Description:   A polypropylene body which has a TFE plug and washer as well as a bright red handle and nut.
Minority or Woman-Owned Business Enterprise

Supplier:  Chemglass
Description:   This stopcock is specially designed for the repair of the sidearm on Schlenk vessels.
Small Business Enterprise
Catalog Number: (76253-224)

Supplier:  VALUE PLASTICS TE
Description:   One-way stopcock made of polycarbonate.

Supplier:  Chemglass
Description:   Similar to the CG-458 series, but with three stems sealed 90° apart.
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.

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

* 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.

-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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