Product Categories
Gestra Non-return Valve, BB-C
Additional information
| Connection Type | Acc. to EN 558-1 |
|---|---|
| Material Body | Cast steel |
| Inner Parts | Cast steel, Chromium steel |
| Seat Sealing | EPDM, FPM, NBR, PTFE |
GESTRA Non-return valve BB C with short overall length, acc. to EN 558-1, Tab 11, basic range 16 (K3 – builing length)
- Installation in horizontal pipes or rather in vertical pipes with upward flow
- Special spring for downward flow
- Body – Centering directly on the body
- Opening pressure: approx. 7 mbar
Nominal size:
DN 100 – DN 500
Pressure rating:
PN 10, PN 16, PN 25, PN 40
acc. to API 594: PN 63, PN 100, PN 160
End connections:
DIN/EN
Materials:
DN 100 – DN 125:
Body: Cast steel P 250 GH
Flap: Chromium steel X12Cr13
DN 150 – DN 500:
Body: Cast steel P 250 GH
Flap: Cast steel P 250 GH
Standard: Metal to metal
Optional: Soft sealing NBR, FPM, PTFE or EPDM
Optional design:
Damping, Special spring, earth connection, hard-faced seat, different materials
