Swing check valve STAAL 100 AKK/AKKS

Swing check valve to DIN/EN with flanged ends (AKK) or butt weld ends (AKKS), with bolted cover, internally mounted hinge pin, body of forged or welded construction, seat/disc interface made of wear and corrosion resistant 17 % chrome steel or Stellite.

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Main Applications

Chemical industry
Boiler feed applications
Boiler recirculation
Condensate transport

Technical Data

Nominal pressure: PN 63, PN 100
Max. nominal size: DN 400
Maximum allowable fluid temperature: 530 °C

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Benefits

Additional features ensure safe sealing to atmosphere:
- Risk of leakage is reduced by internally mounted hinge pin. The hinge pin mounting bracket is welded directly to the inside of the cover, so no additional seal to atmosphere is required.
- Serrated cover gasket, fully confined to prevent creep.

Technical Data

Function: Prevent backflow
Connection type: Flange,
Butt weld ends
Casing material: P265GH,
P250GH,
LEGIERTER EDELSTAHL,
16MO3
Nominal pressure: PN 63,
PN 100
Max. nominal size: DN 400
Min. nominal size: DN 80
Maximum allowable fluid temperature: 530 °C
Minimum allowable fluid temperature: -10 °C

Sectional Drawings

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