ER520NPPH Supporting frame Diaphragm Leakage Indicator by Pressure Switch ER511-A1-003.2 Substitution 13324926, 2;Diaphragm; 10306262, ; 10308009 Substitution 10007320 868001, Ø 80mm 13328703, DN65 13324926, 2;Diyafram 10007320 Three-phase asynchronous motor for ER520NPPH 14.404 Air supply device Machinery materials Machinery materials Slurry temperature - 50°C 868001.