You Searched For: Support Rings

VWR supplies retort rings for the support of funnels, flasks, test tubes, and burettes in retort stands. Open rings allow easy removal of sample containers and feature PVC-coated aluminum construction to prevent scratching of glassware. Cast iron and wire rings with optional clamps are also available. Long extension arms provide easy connections to frames and stands and are sold in a variety of lengths and ring diameters. Holders to mount rings to stands and frames are also supplied at VWR.

VWR supplies retort rings for the support of funnels, flasks, test tubes, and burettes in retort stands. Open rings allow easy removal of sample containers and feature PVC-coated aluminum construction to prevent scratching of glassware. Cast iron and wire rings with optional clamps are also available. Long extension arms provide easy connections to frames and stands and are sold in a variety of lengths and ring diameters. Holders to mount rings to stands and frames are also supplied at VWR.


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Limited time offers
Supplier: VWR International
Description: Made of heavy metal with side rod for insertion in clamp holders.

Supplier: VWR International
Description: Ideal for supporting funnels, round-bottom flasks, reaction vessels, and other apparatuses requiring lower support.

Product available on GSA Advantage®

Supplier: VWR International
Description: Lightweight rings mount funnels, boiling flasks, and other irregular-shaped objects to lab frames.

Product available on GSA Advantage®

Supplier: Ace Glass
Description: Open ring supports with long extension arms for supporting glassware from the bottom, such as separatory funnels and powder funnels

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: Loosening rings are designed to assist in freeing frozen joints.

Product available on GSA Advantage® Small Business Enterprise

Supplier: G.S.C. INTERNATIONAL, INC.
Description: Perfect tool for suspending a crucible

Supplier: Chemglass
Description: Support rings for reaction vessels.

Small Business Enterprise

Limited time offers
Supplier: Humboldt Manufacturing
Description: Distance from the center of the ring to the center of the clamp is 108mm ( 41/4")

Supplier: Chemglass
Description: PTFE support ring used to support round bottom flasks or cylindrical reaction vessels.

Small Business Enterprise

Supplier: Wards
Description: Heavy closed cast iron support rings with integral bosshead clamps great for supporting funnels.

Supplier: United Scientific Supplies
Description: Extension support for holding funnels.

Supplier: Humboldt Manufacturing
Description: Formed, bright basic wire circle is welded to shank (except 2" size)

Supplier: United Scientific Supplies
Description: Support rings for funnels of all sizes.

Supplier: United Scientific Supplies
Description: Provides a patform to hold items over a Bunsen burner.

Supplier: United Scientific Supplies
Description: Steel rings for holding funnels.

Supplier: Humboldt Manufacturing
Description: Forged of hot-rolled wire with integral plain shank.

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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