You Searched For: Masterflex+Stopcocks


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Supplier: Ace Glass
Description: High vacuum stopcock with arms at 90° and Tef-Cap O-Ring seals that eliminate exposure to corrosive materials

Small Business Enterprise Product available on GSA Advantage®

Supplier: CADENCE INC.
Description: Exceptional durability.

Supplier: Kemtech America
Description: Stopcock with three stems sealed to the barrel in a T-type configuration.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Corning
Description: PYREX®, borosilicate glass.
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: Dynalon
Description: Miniature stockpocks allow for easy turning of key which requires no lubricant, thus eliminating blockage of the bores with grease.

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: (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


Supplier: Ace Glass
Description: 4MM O-RING FOR NEEDLE GB VITON.

Small Business Enterprise

Supplier: Ace Glass
Description: With hollow glass plug, for horizontal connections.

Small Business Enterprise Product available on GSA Advantage®

Catalog Number: (80074-258)
Supplier: Chemglass
Description: Similar to the CG-446 series, but with the top oblique stem being made of 2 mm I.D. capillary tubing.

Small Business Enterprise


Catalog Number: (89062-346)
Supplier: Ace Glass
Description: Metering valve, with 1:5 PTFE straight bore plug, provides fine control of rate of flow

Small Business Enterprise Product available on GSA Advantage®


Catalog Number: (68001-074)
Supplier: Baxter
Description: Four-way large bore (lipid resistant) stopcock with rotating male luer lock adapter.


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: (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 mated to maintain pressure characteristics


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


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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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