Gestra DISCO Non-Return Valve, RK86A

GESTRA DISCO Non-return valve RK 86A for flanges, wafer design with short overall length acc. to EN 558-1, Tab. 11, series 49
Installation in any position
Self-centering valve body (DN 15 – DN 100)
M8 – threaded hole for earth connection in series
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, DN 20, DN 25, DN 32, DN 40, DN 50, DN 65, DN 80, DN 100,
DN 125, DN 150, DN200

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

End connections:
DIN/EN, BS, ASME

Materials:
DN 15-100:
Body, Seat, Guide ribs: Stainless steel 1.4408
Disc, Control spring, Spring: Stainless steel 1.4571

DN 125 – DN200:
Body, Guiding: Stainless steel 1.4408
Cone, Spring: Stainless steel 1.4571

Standard:
Metal to metal

Optional:
Soft sealing EPDM, FPM or PTFE