Our website is still in development. Please don't hesitate to contact us with any questions regarding the company or our products.

Gestra DISCO Non-Return Valve, RK44

Additional information

Material Body

Bronze, Cast iron

Inner Parts

Bronze, Stainless steel

Seat Sealing

EPDM, FPM, Metal to metal

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
  • Spring for different opening pressures available
  • Opening pressure 5 mbar for DN 15 – DN100; 10 mbar for DN 125 – DN 200

Nominal size:
DN 15 – DN200

Pressure rating:
PN 6, PN 10, PN 16

End connections:

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

Metal to metal

Soft sealing EPDM or FPM