Bronze (CC 480 K-GS),
from DN125 made of grey cast iron GG-25
Valve disc 1.4571,
from DN125 Plug made of CC 480 K-GS
DISCO check valve
Optional elastic seals (EPDM, FPM, PTFE) and special springs from 5 to 3000 mbar are possible.
Optional designs are possible.