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STAAL 40 AKD/AKDS Gate valve

Gate valve STAAL 40 AKD/AKDS

Gate valve to DIN/EN with flanged ends (AKD) or butt weld ends (AKDS), with bolted bonnet, body of forged or welded construction, non-rotating stem, split wedge with flexibly mounted discs for precise alignment with the body seats. Seat/disc interface made of wear and corrosion resistant 17 % chrome steel.
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Main Applications

  • Chemical industry
  • Boiler feed applications
  • Boiler recirculation
  • Cooling circuits

Technical Data

Nominal pressure
PN 10, PN 16, PN 25, PN 40
Max. nominal size
DN 900
Max. allowed fluid temperature
450 °C

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Benefits

  • Reliable, tight shut-off and service-friendly design
    • Wedge holder with flexibly mounted split wedge. Precise alignment of wedge discs with body seats; wedge discs are easy to replace.
    • Actuating moments are absorbed by the wedge holder guided in the body. No additional loads on the wedge discs and the seat/disc interface.

Technical Data

Function
Shut off/control flow
Connection type
Flange,
Butt weld ends
Design concept Drive
With electric actuator,
With handwheel
Casing material
P265GH,
P250GH
Nominal pressure
PN 10,
PN 16,
PN 25,
PN 40
Max. nominal size
DN 900
Min. nominal size
DN 50
Max. allowed fluid temperature
450 °C
Min. allowed fluid temperature
-10 °C

Sectional Drawings

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