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Gestra DISCO Non-Return Valve, RK76

Additional information

Material Body

Chromium steel

Inner Parts

Stainless steel

Seat Sealing

EPDM, FPM, Metal to metal, PTFE, Soft sealing

GESTRA DISCO Non-return valve RK 76 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
  • Special spring for different opening pressures available

Nominal size:
DN 15 – DN 100

Pressure rating:
PN 6, PN 10, PN 16, PN 25, PN 40
ASME CL 125, CL 150, CL 300

End connections:

Body, Seat, Guide ribs: Chromium steel 1.4107
Disc, Control spring, Spring: Stainless steel 1.4571

Metal to metal

Soft sealing EPDM, FPM or PTFE