AKG-A/AKGS-A Gate valve

Gate valve AKG-A/AKGS-A

Gate valve to DIN/EN with flanged ends (AKG-A) or butt weld ends (AKGS-A), pressure seal design, 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 or Stellite.
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Main Applications

  • Fossil-fuelled power stations
  • Process engineering
  • Boiler feed applications
  • Boiler recirculation

Technical Data

Nominal pressure Hydr casing
PN 63, PN 100, PN 160
Maximum nominal size TSG
DN 300
Max allowed fluid temp TSG
550 °C

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Benefits

  • Additional features ensure safe sealing to atmosphere:
    • Pressure seal bonnet. Low risk of leakage, particularly at high pressures and temperatures.
    • Graphite gland packing with packing end rings.

Technical Data

Component function
Shut off/control flow
Connection type Inlet
Flange,
Butt weld ends
Mtrl Hydraulic casing
P250GH,
13CRMO4-5
Nominal pressure Hydr casing
PN 63,
PN 100,
PN 160
Maximum nominal size TSG
DN 300
Minimum nominal size TSG
DN 80
Max allowed fluid temp TSG
550 °C
Min allowed fluid temp TSG
-10 °C
Design concept Drive
With electric actuator,
With handwheel,
With pneumatic actuator

Sectional Drawings

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