Product Categories
Gestra DISCO Non-Return Valve, RK44S
Additional information
| Material Body | Bronze, Cast iron |
|---|---|
| Inner Parts | Bronze, Stainless steel, Tin bronze |
| Seat Sealing | EPDM, FPM, Metal to metal |
GESTRA DISCO Non-return valve RK 44S for flanges, wafer design with short overall length acc. to EN 558-1, Tab. 11, series 49
- Installation in any position
- Body centering by spiral ring or rather directly on the body
- Opening pressure 5 mbar for DN 15 – DN100; 10 mbar for DN 125 – DN 200
Nominal size:
DN 15 – DN 200
Pressure rating:
PN 6, PN 10, PN 16
End connections:
DIN/EN
Materials:
DN 15-100:
Body, Seat, Guide ribs: Bronze CC 480 K-GS
Disc: Bronze CC 480 K
Control spring: CuNi10Fe CW352H
Spring: Tin bronze CW452K
DN 125 – DN200:
Body, Guiding: Cast iron EN-JL 1040
Cone, Adapter, Guiding, Casing: Bronze CC 480 K-GS
Spring: Stainless steel 1.4571
Standard:
Metal to metal
Optional:
Soft sealing EPDM or FPM
