Quick Answer: The Retort Ring with Boss Head, Euro Design is a closed circular support ring with a built-in boss head and thumb screw for holding separatory funnels, filter funnels, beakers and flasks on a lab stand. It is mild steel and fits support rods up to 16 mm.
Last updated: October 2026
Key Features
Euro-style ring and boss head made as one piece
Full closed ring supports glass funnels all the way round
Euro-design thumb screw tightens by hand without tools
Mild steel with epoxy powder coating or zinc plating
Available in 50 mm, 75 mm and 100 mm diameters
Technical Specifications
Specification
Value
Design
Euro-style integrated ring and boss head
Material
Mild steel
Surface treatment
Epoxy powder coating or zinc plating
Connector
Integrated boss head with thumb screw
Rod compatibility
Laboratory support rods up to 16 mm
Profile
Full circular closed loop
Diameters
50 mm, 75 mm and 100 mm
About This Product
Clamped to a retort rod, the ring gives a level seat for a funnel during gravity filtration or for a separatory funnel while two liquid layers settle and are run off. The built-in boss head means one less part to find or lose in a busy school laboratory. Schools, colleges and institutes in New Zealand, Republic of the Congo, South Sudan, Solomon Islands and Rwanda can order the Retort Ring with Boss Head, Euro Design from Educational Instrument.
Frequently Asked Questions
What diameters does the Euro Design retort ring come in?
It is available in 50 mm, 75 mm and 100 mm variants.
.png)
 (1) (1).jpg)
.jpg)
 (1).jpg)
.jpg)
.jpg)
