Goyen Diaphragm Kit set K2501 ((M1183B) for

Goyen® RCA25DD & CA25DD valves
Goyen® RCA25FHX & CA25FHX valves
Goyen® RCA25FS & CA25FS valves
Goyen® RCA25MM & CA25MM valves
Goyen® RCA25T & CA25T valves