Description
Open screw cap for safety ground joints, NS 14/23 is designed to fix the core of DURAN® safety ground joints reliably inside the corresponding sleeve. When the screw connection is opened, the ground joints separate automatically, simplifying disassembly while maintaining secure engagement during use. This open-style cap ensures consistent alignment and retention of the male and female joint components without the need for additional clamps. Supplied as a single piece with a net weight of 0,006 kg, it is dimensioned for standard NS 14/23 safety ground joint systems. The product from Duran/DWK Life Sciences is intended for fixation of DURAN® safety ground joints in laboratory glassware assemblies, offering dependable mechanical locking that supports safe operation of connected apparatus. Its straightforward screw-thread design integrates easily into existing setups and facilitates both secure assembly and controlled separation, making it a practical accessory for routine synthetic, distillation and analytical work involving safety ground joints.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Storage temperature: Standard
- Joint size: NS 14/23
- Type: Open screw cap
- Function: Fixes core in sleeve of safety ground joints
- EAN: 4032051048416
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Questions about Screw Cap with Aperture, for safety standard ground sockets
What is this article?
Screw Cap with Aperture, for safety standard ground sockets is the article on this page. Luminix Health distributes DWK Life Sciences for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Labware.
A screw cap has a thread and a liner. The thread has to match the bottle. The liner has to survive the liquid: a pulp liner fails in a solvent that a PTFE-faced liner ignores. The colour of the cap is not the specification.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Screw caps & closures. The catalogue is Labware.
Shelves beside this one are Rubber & silicone stoppers, Ground-joint glass stoppers, Lids & seals and Closures (other).
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.

