You Searched For: 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.

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: VWR International
Description: Easily adjust flow.

New Product

Supplier: VWR International
Description: Easily control flow with flow indicator handle.

New Product

Supplier: VWR International
Description: Use with caustic and high-purity liquids in many applications.

New Product

Supplier: VWR International
Description: These stopcocks are ideal for use with liquids and gases under low pressure (operating pressure 7.0psi) or low vacuum.

Catalog Number: (89426-780)
Supplier: Glassco
Description: Replacement kit is supplied complete with one fluoropolymer resin plug (1:5 taper), one teflon washer, one O-Ring, and one plug with PTFE handle

Catalog Number: (KT420163-4503)
Supplier: DWK Life Sciences (KIMBLE)
Description: Three-way stopcock with two female Luers to one male Luer-lock

Supplier: Thermo Fisher Scientific
Description: Serrated tubulation on each end
Supplier: Bel-Art Products, a Part of SP
Description: With a removable, leak-proof plug made of chemical-resistant, non-stick Teflon® PTFE, these 2- and 3-way polypropylene plastic stopcocks have barbed t...

Supplier: DWK Life Sciences (KIMBLE)
Description: The more exaggerated taper of this stopcock permits easier use at higher-than-ambient temperatures.

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

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: Used with distilling head to enable operator to determine reflux ratios and take-offs.

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: High vacuum stopcock with easy action plug that has blunt, flat end instead of the tapered end

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: High vacuum stopcock with hollow glass plug for right angle connection.

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: This straight-through stopcock is all borosilicate glass (including the plug), with a nylon handle

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: PTFE replacement stopcock plugs have a UHDPE (Ultra High Density Polyethylene) hood, and each plug includes three FETFE O-Rings

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: With solid glass plug.

Product available on GSA Advantage® 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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