STAAL 100 AKK/AKKS Swing check valve

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,
13CRMO4-5,
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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