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© 05.2022
12.03. SM safety diaphragm
12.03.2 Application / Function
In the model with safety diaphragm, the safety diaphragm is located above the main diaphragm. When the main
diaphragm ruptures, the safety diaphragm makes contact with the top cover of the diaphragm assembly and prevents
any inadmissible escape of gas into the surrounding atmosphere.
12.03.1 Use
• Gas pressure regulators RS 250 / RS 251
• Gas pressure regulators RS 254 / RS 255
• Gas pressure regulators R 100 / R 100-U
• Gas pressure regulators R101
Safety diaphragm
Gas pressure regulator RS250/DN080/385 with safety diaphragm
12.03.3 Application example