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Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, an elastomeric diaphragm, and a "weir or saddle" or seat upon which the diaphragm closes the valve. The valve body may be constructed from plastic, metal, wood or other materials depending on the intended use.

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  • صمام رقي (ar)
  • Membranventil (de)
  • Diaphragm valve (en)
  • Válvula diafragma (pt)
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  • الصمام الرقي هو صمام ذو يستعمل لفتح وغلق التيار في تطبيقات التقنية الحيوية. (ar)
  • Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, an elastomeric diaphragm, and a "weir or saddle" or seat upon which the diaphragm closes the valve. The valve body may be constructed from plastic, metal, wood or other materials depending on the intended use. (en)
  • Membranventile stellen eine Möglichkeit dar, Fluide (Gase, Dampf, Flüssigkeiten) zu steuern. Insbesondere hochviskose und/oder hochhaftfähige Medien werden damit zum Beispiel verteilt oder dosiert. Bei anderen Ventilprinzipien wie Sitzventilen würden sich diese Fluide teilweise im Ventilkörper ablagern. Schlimmstenfalls könnte es zu einer Kreuzkontamination kommen. Deshalb werden Ventile auf der Basis des Membranprinzips auch als totraumärmstes Funktionsprinzip bezeichnet. Membranventile mit bestimmten Körperwerkstoffen und -qualitäten sind somit häufig in den Anlagen von Pharmazie und Biotechnologie zu finden, da hier jede Kreuzkontamination verhindert werden soll. (de)
  • As válvulas de diafragma constituem o terceiro tipo mais comum de válvulas de movimento linear. A haste da válvula é utilizada para empurrar para baixo uma membrana flexível, que, por sua vez bloqueia o caminho do fluido. Originalmente, a válvula de diafragma foi desenvolvido para uso em aplicações não-higiênicas. Posteriormente, o projeto foi adaptado para uso na indústria bio-farmacêutica, utilizando materiais compatíveis que podem suportar métodos de higienização e esterilização. (pt)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Membranventil.svg
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  • الصمام الرقي هو صمام ذو يستعمل لفتح وغلق التيار في تطبيقات التقنية الحيوية. (ar)
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