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 Hydr casing: PN 10, PN 16, PN 25, PN 40
Maximum nominal size TSG: DN 900
Max allowed fluid temp TSG: 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

Component function: Shut off/control flow
Connection type Inlet: Flange,
Butt weld ends
Design concept Drive: With electric actuator,
With handwheel
Mtrl Hydraulic casing: P265GH,
P250GH
Nominal pressure Hydr casing: PN 10,
PN 16,
PN 25,
PN 40
Maximum nominal size TSG: DN 900
Minimum nominal size TSG: DN 50
Max allowed fluid temp TSG: 450 °C
Min allowed fluid temp TSG: -10 °C

Sectional Drawings

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