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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.

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.


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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


Catalog Number: (60005-126)
Supplier: Kemtech America
Description: Replacement Teflon® metering stopcock.

Small Business Enterprise Minority or Woman-Owned Business Enterprise


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 and plug.

Small Business Enterprise

Supplier: Chemglass
Description: Stopcocks have three sidearms sealed at 90° angles

Small 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


Catalog Number: (80074-170)
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


Catalog Number: (100493-220)
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: Kemtech America
Description: Stopcock with 1:10 taper straight bore glass plug

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Kemtech America
Description: High vacuum stopcock.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

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

Small Business Enterprise Minority or Woman-Owned Business Enterprise

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

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Chemglass
Description: Hollow plug, double oblique bore stopcock is precision ground with corresponding numbers on barrel and plug. Lower vacuum chamber is evacuated with a separate hole in the plug which is not in the line of flow.

Small Business Enterprise

Supplier: Chemglass
Description: Solid glass plug has a threaded glass snelling which accepts an assembly similar to the one supplied with standard PTFE stopcocks.

Small Business Enterprise

Catalog Number: (MFLX06225-60)
Supplier: HAYWARD INDUSTRIAL PRODUCT INC
Description: Ideal for laboratory and process sampling.


Supplier: Chemglass
Description: Stopcock has a solid glass plug with parallel diagonal bores.

Small Business Enterprise

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.

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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