Description
DURAN® Spherical Joint Socket, unground, S 35/20 is a polished borosilicate glass 3.3 component for grease-free flexible connections in laboratory glass apparatus. This unground spherical joint socket seals exclusively via an additional sealing ring; two ring versions are available, namely FEP-coated silicone rings and VITON sealing rings. The nominal size S 35/20 is derived from the nominal diameter of the spherical joint and, where applicable, the clear width of the tube diameter. Flexible connections can be realised in the 10–15° angular range depending on joint size, although tightness is reduced at angles of 5° or greater. Full 360° orientation of the connection is possible. Grease-free working is supported and a tight closure is obtained through the sealing ring. As a non-self-supporting glass article intended for further processing, it is designed for incorporation into glass apparatus and devices. This single-piece item from manufacturer Duran/DWK Life Sciences enables adaptable, fat-free joint assemblies in laboratory setups where conventional ground joints are less suitable.
This article is part of Ground-joint glassware (other), in Distillation & extraction glassware.
Key features
- Pack size: 1 pc
- Storage temperature: Standard
- Material: Borosilicate glass 3.3
- Nominal size: S 35/20
- Joint type: Unground, polished
- EAN: 4032051051720
Recently viewed
You may also like
Browse related categories
Category
Distillation & extraction glassware
Sub-category
Ground-joint glassware (other)
Catalogue
Brand
Questions about DURAN® Spherical Joint, cup polished
What is this article?
DURAN® Spherical Joint, cup polished is the article on this page. Luminix Health distributes DWK Life Sciences for laboratory use. It sits in Ground-joint glassware (other), inside Distillation & extraction glassware, in Labware.
This is ground-joint glassware that is not a head, a condenser or a Soxhlet: receivers, blank joints, odd adapters. A ground joint is named by the wide end and the length, such as 29/32. Mismatched joints do not seal, even with grease.
Distillation separates liquids by boiling point. A condenser turns the vapour back into liquid: Liebig, coil and cold-finger shapes differ in how much cooling surface they offer. A still head and a column sit between the flask and the condenser. A Soxhlet extractor washes a solid again and again with the same solvent. Ground joints have a standard size, and the joint, not the flask, is what has to match. The pieces are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Distillation & extraction glassware. The sub-category is Ground-joint glassware (other). The catalogue is Labware.
Shelves beside this one are Distillation heads, adapters & columns, Condensers and Soxhlet & extraction apparatus.
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.