Retort Rings
Avantor 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 Avantor.
VWR® Talon® Open Rings
Supplier: VWR International
Lightweight rings mount funnels, boiling flasks, and other irregular-shaped objects to lab frames.
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Support Ring and Clamp
Supplier: VWR International
Durable plated-steel ring clamp holds labware securely on stands for heating or experiment setups.
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VWR® Talon® PVC Coated Open Extension Rings
Supplier: VWR International
Ideal for supporting funnels, round-bottom flasks, reaction vessels, and other apparatuses requiring lower support.
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Rodaviss® Loosening Ring, Polyamide, Ace Glass Incorporated
Supplier: Ace Glass
Loosening rings are designed to assist in freeing frozen joints.
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Open Ring Supports with Extension Arms, Ace Glass Incorporated
Supplier: Ace Glass
Open ring supports with long extension arms for supporting glassware from the bottom, such as separatory funnels and powder funnels
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Eisco Support Rings with Bosshead Clamp, Steel
Supplier: Wards
Closed metal support rings with long stems and attached bosshead clamps great for supporting funnels.
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Extension Rings
Supplier: Shiv Dial Sud & Sons
Made of heavy metal with side rod for insertion in clamp holders.
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Cast Iron Support Rings, United Scientific Supplies
Supplier: United Scientific Supplies
Support rings for funnels of all sizes.
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Cast Iron Support Rings
Supplier: United Scientific Supplies
These zinc-plated support rings are made of durable cast iron.
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Hook Collars
Supplier: United Scientific Supplies
Quickly add a hook to a support rod.
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Support Rings, Chemglass
Supplier: Chemglass
PTFE support ring used to support round bottom flasks or cylindrical reaction vessels.
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Eisco Support Rings with Bosshead Clamp, Cast Iron
Supplier: Wards
Heavy closed cast iron support rings with integral bosshead clamps great for supporting funnels.
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Extension Support Rings, United Scientific Supplies
Supplier: United Scientific Supplies
Extension support for holding funnels.
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Lower Support Rings for Chemglass Reaction Vessels, Chemglass
Supplier: Chemglass
Support rings for reaction vessels.
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Eisco Support Rings with Stem, Steel
Supplier: Wards
Closed metal support rings with long stems great for supporting funnels.
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Catalog #: CA21905-026
: Kimberly-Clark