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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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Product Image-470157-182

Support ring

Description: Cast iron, zinc-plated support ring with boss-head clamp and thumbscrew. Distance from support to center of ring is 7inch.
Catalog Number: 470157-182
Supplier: United Scientific Supplies
Product Image-10034-380

Support Ring with Opening, Large, 85Mm Id, 240Mm Over All Length

Catalog Number: 10034-380
Supplier: Chemglass

Small Business Enterprise


Product Image-470157-180

Support ring

Description: Cast iron, zinc-plated support ring with boss-head clamp and thumbscrew. Distance from support to center of ring is 6inch.
Catalog Number: 470157-180
Supplier: United Scientific Supplies
Image Unavailable-89370-314

Wire Support Ring

Description: 76mm ring is constructed of basic steel wire and includes an aluminum muff and a steel thumbscrew. Formed circle is welded to the shank. Ring fits rods up to 19mm diameter. Ring has an inner diameter of 67mm.
Catalog Number: 89370-314
Supplier: Humboldt Manufacturing
Product Image-89370-324

Support Ring, Extension, Iron

Description: 51mm ring is forged of hot-rolled, plated steel wire with an integral plain shank. Stem is 203mm.
Catalog Number: 89370-324
Supplier: Humboldt Manufacturing
Product Image-10170-710

Support ring

Description: Support ring, White PTFE, Inchvinch cut 8.20inch, Diameter, For round bottom flasks or cylindrical reaction vessels
Catalog Number: 10170-710
Supplier: Chemglass

Small Business Enterprise


Product Image-60135-041

Support Ring, Extension, Iron

Description: 76mm ring is forged of hot-rolled, plated steel wire with an integral plain shank. Stem is 190.5mm.
Catalog Number: 60135-041
Supplier: Humboldt Manufacturing

Small Business Enterprise


Product Image-60135-100

Support Ring, Extension, Iron

Description: 152mm ring is forged of hot-rolled, plated steel wire with an integral plain shank. Stem is 178mm.
Catalog Number: 60135-100
Supplier: Humboldt Manufacturing

Small Business Enterprise


Product Image-89029-292

Support Ring, PTFE*

Description: PTFE* support ring used to support round bottom flasks or cylindrical reaction vessels.3.50in ID x 5.45in OD x 1.20in Height White
Catalog Number: 89029-292
Supplier: Chemglass

Small Business Enterprise


Product Image-89029-294

Support Ring, PTFE*

Description: PTFE* support ring used to support round bottom flasks or cylindrical reaction vessels. 4.65in ID x 6.64in OD x 1.20in Height White
Catalog Number: 89029-294
Supplier: Chemglass

Small Business Enterprise


Image Unavailable-89370-316

Wire Support Ring

Description: 102mm ring is constructed of basic steel wire and includes an aluminum muff and a steel thumbscrew. Formed circle is welded to the shank. Ring fits rods up to 19mm diameter. Ring has an inner diameter of 92mm.
Catalog Number: 89370-316
Supplier: Humboldt Manufacturing
Product Image-89029-290

Support Ring, PTFE*

Description: PTFE* support ring used to support round bottom flasks or cylindrical reaction vessels. 2.35in ID x 4.28in OD x 1.20in Height White
Catalog Number: 89029-290
Supplier: Chemglass

Small Business Enterprise


Product Image-89029-296

Support Ring, PTFE*

Description: PTFE* support ring used to support round bottom flasks or cylindrical reaction vessels. 5.82in ID x 8.20in OD x 1.20in Height White
Catalog Number: 89029-296
Supplier: Chemglass

Small Business Enterprise


Image Unavailable-89370-312

Wire Support Ring

Description: 51mm ring is constructed of basic steel wire and includes an aluminum muff and a steel thumbscrew. Ring fits rods up to 19mm diameter. Ring has an inner diameter of 47.6mm.
Catalog Number: 89370-312
Supplier: Humboldt Manufacturing
Image Unavailable-89370-318

Wire Support Ring

Description: 127mm ring is constructed of basic steel wire and includes an aluminum muff and a steel thumbscrew. Formed circle is welded to the shank. Ring fits rods up to 19mm diameter. Ring has an inner diameter of 117.5mm.
Catalog Number: 89370-318
Supplier: Humboldt Manufacturing
Image Unavailable-60120-088

Cast Iron Support Rings

Description: Size: 12.7cm. I.D.: 11.1cm. O.D.: 12.7cm. Distance from center of ring to center of clamp: 108mm. Plated. Attaches to support rods up to 12.7mm in diameter.
Catalog Number: 60120-088
Supplier: Humboldt Manufacturing
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