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STAAL 40 AKK/AKKS Swing check valve
Swing check valve

STAAL 40 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 welded construction, seat/disc interface made of wear and corrosion resistant 17 % chrome steel.
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Technical Data

  • Nominal pressurePN 10, PN 16, PN 25, PN 40
  • Max. nominal sizeDN 400
  • Max. allowed fluid temperature450 °C

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.
  • Reliable, tight shut-off and service-friendly design due to flexibly mounted valve disc. Precise alignment of valve disc with body seat; valve disc is easy to replace.
  • Hard-faced seat/disc interface made of wear-resistant and corrosion-proof 17 % chrome steel or Stellite for long service life and high functional reliability.

Material number list – STAAL 40 AKK/AKKS

29 products
NameNominal pressureNominal size InletConnection type InletWeightMaterial numberPrice
STAAL40 AKK PN10 DN100 P235GHPN 10DN 100Flanged62 Kilogram48017309
upon request
STAAL40 AKK PN10 DN125 P235GHPN 10DN 125Flanged63 Kilogram48017299
upon request
STAAL40 AKK PN10 DN150 P235GHPN 10DN 150Flanged120 Kilogram48017310
upon request
STAAL40 AKK PN10 DN200 P235GHPN 10DN 200Flanged205 Kilogram48017300
upon request
STAAL40 AKK PN10 DN80 P235GHPN 10DN 80Flanged38 Kilogram48017308
upon request

Documents

TitleFormatSizeLast change
Declaration of Conformity (0570.8520_EN)PDF0.174/19/2021
TitleFormatSizeLast change
Operating manual (0570.81_EN)PDF11.394/19/2021
TitleFormatSizeLast change
Type series booklet STAAL 40 AKK/AKKS (7365.1_EN)PDF1.14/19/2021

Technical Data

  • FunctionPrevent backflow
  • Connection typeFlange, Butt weld ends
  • Casing materialP265GH, P235GH
  • Nominal pressurePN 10, PN 16, PN 25, PN 40
  • Max. nominal sizeDN 400
  • Min. nominal sizeDN 80
  • Max. allowed fluid temperature450 °C
  • Min. allowed fluid temperature-10 °C

Sectional Drawings