Automatic water pressure membrane NPO EPS-16 (EPDM) (A05/013/A23) without rod

Automatic water pressure membrane NPO EPS-16 (EPDM) (A05/013/A23) without rod.
It is used in automation devices of pumping stations
Internal holes 8 and 11 mm
Outer diameter 85 mm

Suitable for models:

(A05/013): EPS-16 (A23): EPS-16