You Searched For: Masterflex+Stopcocks


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

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: DWK Life Sciences (KIMBLE)
Description: For separatory funnels and funnel-fill burets requiring [PS] PTFE stopcock plugs

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Supplier: Ace Glass
Description: Straight bore stopcock plugs, available in borosilicate glass or PTFE

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 oblique bore, with liquid seal

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: These double oblique bore stopcocks are available with borosilicate glass or 1:5 PTFE plugs

Small Business Enterprise Product available on GSA Advantage®

Supplier: Kemtech America
Description: High vacuum stopcock with 90° angle bore hollow glass plug

Small Business Enterprise Minority or Woman-Owned Business Enterprise

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

Small Business Enterprise Minority or Woman-Owned Business Enterprise

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

Small Business Enterprise

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

Small Business Enterprise Minority or Woman-Owned 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


Catalog Number: (47750-038)
Supplier: Bel-Art Products
Description: The three-way configuration of these stopcocks permits connection of any two or all three ports.

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

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.


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

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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.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

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

* Please note if your account is within the State of California two of these pieces of identification will be required.
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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