Sealing lenses with dimensions conforming to with DIN 2696 April 1972 edition must always be arranged in advance. To avoid misunderstandings the desired sealing lens height ”a“ should always be given for the internal diameter d 1 specified.

Linsen-Dichtung DN 100, PN 63, DIN 2696 - Reihe 1 / 1.7335 1) Werkstoff bei Bestellung angeben * Dichtlinsen mit Maßen gemäß DIN 2696 - Ausgabe April 1972 sind besonders zu

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In accordance with DIN 2696 general materials are limited to a range of specified carbon steels and stainless-steel grades, although alternative grades are available upon request.

Diese Norm gilt für Flanschverbindungen Typ 05, Typ 11, Typ 21 nach DIN EN 1092-1 mit Dichtlinsen, die im Allgemeinen in Anlagen mit Betriebsdrücken über 63 bar, und zwar überwiegend in Rohrleitungen, verwendet werden.

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din 2696:1999 Lenticular ring joint gaskets for flanged joints The document specifies the standard design and dimensions of lens shaped gaskets and their facings for DN 10 to DN 200 and PN 63 to PN 400 mainly for piping application.

This document applies to flange connections type 05, type 11, type 21 according to DIN EN 1092-1 with lens shaped gaskets, which are generally used in systems with operating pressures above 63 bar, mainly in pipelines.

They define the requirements for products, processes, and services, ensuring safety, quality, and consistency across industries such as manufacturing, engineering, and construction. These standards are widely recognized and used both in Germany and internationally.

Previous edition DIN 2696: 1972-04, All dimensions are in millimetres 1 Scope This standard applies to lenticular ring joint gaskets for flanged joints in piping systems operating at Pressures exceeding 63 bar.