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 Hydr casing: PN 63, PN 100
Maximum nominal size TSG: DN 400
Max allowed fluid temp TSG: 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

Component function: Prevent backflow
Connection type Inlet: Flange,
Butt weld ends
Mtrl Hydraulic casing: P265GH,
P250GH,
LEGIERTER EDELSTAHL,
16MO3
Nominal pressure Hydr casing: PN 63,
PN 100
Maximum nominal size TSG: DN 400
Minimum nominal size TSG: DN 80
Max allowed fluid temp TSG: 530 °C
Min allowed fluid temp TSG: -10 °C

Sectional Drawings

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