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Gestra DISCO Non-Return Valve, RK71

Additional information

Material Body

Hot-pressed brass

Inner Parts

Stainless steel

Seat Sealing

Metal to metal

GESTRA DISCO Non-return valve RK 71 for flanges, wafer design with short overall length acc. to EN 558-1, Tab. 11, series 49 (K4 building length).

  • Installation in any position
  • Body centering by spiral ring or rather directly on the body
  • Opening pressure 5 mbar

Nominal size:
DN 15 – DN 100

Pressure rating:
PN 6, PN 10, PN 16

End connections:

Body, Seat, Guide ribs: hot-pressed brass CW 617 N
Disc, Control Spring, Closing Spring: Stainless steel 1.4571

Sealing: Metal to metal