Beschrijving
Centering ring with Perbunan O-ring, stainless steel, DN 250 ISO-K is a flange accessory for aligning and sealing ISO-K vacuum connections in laboratory and process equipment. The stainless steel ring provides the mechanical centering geometry for DN 250 ISO-K flanges, while the integrated Perbunan O-ring forms the elastomer sealing interface between mating flange faces. This configuration is typical for ISO-K style vacuum joints where a reusable centering ring and elastomer seal are required during assembly of pumps, manifolds, chambers, and instrument lines. Offered as a single piece from manufacturer WELCH, the component belongs to the accessories and spare-parts range for laboratory apparatus and supports routine maintenance or replacement of DN 250 ISO-K couplings. Perbunan sealing material is specified for the O-ring, matching the product designation for general vacuum service with this flange size. Use the ring wherever DN 250 ISO-K stainless steel centering hardware with a Perbunan seal is called for, ensuring correct flange alignment and a defined elastomer contact surface without altering the nominal ISO-K interface dimensions.
This article is part of Other instruments & spare parts.
Key features
- Pack size: 1 pc
- Product type: Centering ring with Perbunan O-ring
- Material: Stainless steel
- Flange size: DN 250 ISO-K
- Seal material: Perbunan O-ring
- EAN: 4046681089374
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Questions about Centering Ring with Perbunan O-Ring, Stainless Steel, DN 250 ISO-K
What is this article?
Centering Ring with Perbunan O-Ring, Stainless Steel, DN 250 ISO-K is the article on this page. Luminix Health distributes WELCH for laboratory use. It sits in Other instruments & spare parts, in Instrumenten.
Some instruments do not sit cleanly in one measuring principle, and every instrument eventually needs a spare: a lamp, a fuse, a seal, a knob. The spare has to be the part for that model. A near match is a different part. Calibration of the instrument, once it measures, belongs with EURAMET, BELAC and the BIPM.
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The category is Other instruments & spare parts. The catalogue is Instrumenten.
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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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.