Description
Retort ring with boss head, Ø 125 mm is a cast-iron laboratory support accessory for securing larger glassware and apparatus on standard retort stands. The circular ring offers a broad, stable platform for flasks, beakers and related vessels, while the integrated boss head clamps directly onto support rods without additional connectors. With a 125 mm diameter, it suits setups that require extra working space around heating mantles, baths or bulkier reaction vessels in teaching and research laboratories. It is supplied as a pack of two pieces, enabling matched pairs for parallel experiments or reserve rings on multi-rod stands. Each unit has a net weight of 0,460 kg, consistent with solid cast-iron construction that maintains shape under typical laboratory loads. These rings from manufacturer Labbox follow classic retort-ring geometry familiar to laboratory staff and fit readily into existing stand systems. The combined ring-and-boss design speeds assembly of distillation, filtration and heating trains and provides reliable mechanical support for everyday bench work in chemistry and general laboratory practice.
This article is part of Clamps & bossheads, in Stands, clamps & racks.
Key features
- Pack size: 2 pcs
- Diameter: 125 mm
- Material: Cast iron
- Construction: Integrated boss head
- EAN: 8434868040311
- Technical Information Sheet:
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Questions about Closed retort ring with bosshead, 125 mm, 2 pcs
What is this article?
Closed retort ring with bosshead, 125 mm, 2 pcs is the article on this page. Luminix Health distributes Labbox for laboratory use. It sits in Clamps & bossheads, inside Stands, clamps & racks, in Labware.
A bosshead grips the rod. A clamp grips the flask or the condenser, usually through two jaws with cork or vinyl faces. Three-finger and two-finger clamps hold different shapes. The jaw opening is the specification.
A stand, a clamp and a rack hold something still so the hands can do the work. A bosshead locks a clamp to a rod. A test-tube rack keeps tubes upright and in an order the operator can read back. The failure is almost always mechanical: the clamp slips, or the rack does not match the tube diameter. The glass they support is indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stands, clamps & racks. The sub-category is Clamps & bossheads. The catalogue is Labware.
Shelves beside this one are Test tube racks, Stands, rods & bases and Stand & rack accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.