Gestra DISCO Non-Return Valve, RK44

GESTRA DISCO Non-return valve RK 44 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
Special spring for different opening pressures available

Nominal size:
DN 15 - DN200

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, Control spring, Spring: Stainless steel 1.4571

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