Diaphragm replacement for GEMÜ 687 with diaphragm code 5E

The video demonstrates and explains how the two-piece PTFE diaphragm 5E is changed for the diaphragm valve GEMÜ 687. Before removing valve accessories that are mechanically limited to the valve stroke, it is sensible to check the settings and values where necessary. For example, measure the installation length of the opening limiter as a point of reference to facilitate subsequent refitting.
Safety information
Before replacing diaphragms in a system, the system or relevant system section, the valve and its accessories must be switched off and secured according to applicable regulations and directives. Make sure that the relevant pipe section and valve are free of overpressure and vacuum and that the prevailing internal and external temperature does not pose a danger for personnel. Make sure that the relevant pipe section and valve are free of corrosive substances that are harmful to health and that additional suitable measures for protecting personnel have been implemented according to applicable regulations and directives. The operating and maintenance instructions for valves and attachments are to be strictly observed.