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Supplier: Chemglass
Description: This is A 1:5 taper PTFE stopcock with two parallel diagonal bores.

Small Business Enterprise

Catalog Number: (80074-082)
Supplier: Chemglass
Description: This stopcock is specially designed for the repair of the sidearm on Schlenk vessels.

Small Business Enterprise


Supplier: Ace Glass
Description: Precision grade, with three-way oblique bore hollow or solid glass plug.

Small Business Enterprise Product available on GSA Advantage®

Catalog Number: (89062-344)
Supplier: Ace Glass
Description: Specifically designed for micro chemical apparatus

Small Business Enterprise Product available on GSA Advantage®


Supplier: BURKLE INC
Description: Stopcock with tapered spout for bottles with narrow openings with a diameter from 6 to 8 mm.

Supplier: Ace Glass
Description: With solid glass plug.

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: Precision grade, with three-way oblique bore hollow or solid glass plug

Small Business Enterprise Product available on GSA Advantage®

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: These are high vacuum stopcocks with arms at 90 degrees with variable openings from 0-3 mm to 0-15 mm

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: Threaded vacuum stopcock with PTFE plug and new hooded handle that permits smooth needle valve adjustment down to 0.1 cc/min flow rate.

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: A ruggedly constructed stopcock with a 1:5 PTFE plug and tapered flange, which ensures maximum strength at the seal

Small Business Enterprise Product available on GSA Advantage®

Supplier: Chemglass
Description: These solid glass high vacuum stopcocks feature an improved constant pressure retention device.

Small Business Enterprise

Catalog Number: (PAA7261)
Supplier: Promega Corporation
Description: One-Way Luer-Lok stopcocks vacuum manifold for nucleic acid purification system. Spinlock adapters on the columns from the Wizard DNA purifications systems can be attached to the upper row of stopcocks for easy manipulation of the stopcock valves.


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

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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