Product Categories
Gestra Non-return Valve, BB-G
Additional information
| Connection Type | Acc. to EN 558-1 |
|---|---|
| Material Body | Cast iron |
| Inner Parts | Nodular iron |
| Seat Sealing | EPDM, FPM, NBR |
GESTRA Non-return valve BB G 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 150 – DN 500
Pressure rating:
PN 6, PN 10, PN 16
End connections:
DIN/EN
Materials:
Body: Cast iron EN-JL-1040
Flap: Nodular iron EN-JS-1030
Standard: Soft sealing EPDM
Optional: Soft sealing NBR, FPM or metal to metal
Optional design:
Damping, Special spring, earth connection, hard-faced seat, different materials, gummed body or Vestosint coated
