Cast iron butterfly valve.
1. Body: FC 20
2. Disc: SUS 13(2~4) FCD 45(5~12)
3. Disc: seat ring NBR
4. Stem: SUS 304
5. Pin: SUS 304
6. Worm Gear: FC 25
1. Working pressure marking = 10kgf/cm2
2. Non-shock water under 80oC = 14kgf/cm2
3. Pulse stream, Oil, Air under 80oC = 10kgf/cm2
4. Saturated steam = inadequate
5. Hydrostatic test pressure
6. Shell = 20kgf/cm2
7. Seat = 11kgf/cm2