Main applications

  • Biofuels
  • Boiler circulation
  • Boiler feed systems
  • Chemical industry
  • District heating
  • Energy
  • Food and beverages
  • General Processes
  • Industry engineering
  • Marine
  • Nuclear Power Stations
  • Oil /Gas
  • Petrochemical Industry
  • Power Stations < 100 MW
  • Power Stations > 100 MW
  • Snow guns
  • Steam circuits
  • Steel
  • Sugar
  • Turbine Island

Design type


Technical data

T max 400 °C
DN max 600
PN max 40


Flanged or weld end gate valve with bolted bonnet, body of forged or welded steel construction, non-rotating stem, flexible wedges for exact adaptation to seats. Seats made of wear and corrosion resistant 17 % Cr steel.


In industrial plants, power stations, process engineering and shipbuilding. For water, steam, gas, oil and other non-aggressive fluids. Other fluids on request.

Further technical information about STAAL 40 AKD/AKDS

Overview of technical data

T 10.0 – 400.0 (°C)
DN 50.0 – 600.0
PN 40.0
Actuator options available ex works Electric actuator to customer's choice, Pneumatic actuator to customer's choice
Body design Straight pattern body
Bonnet design Yoke for fitting actuator
Dimension standard EN 12982 (PN 40), EN 12982 (PN10-25), EN 558-1/15 (PN 10-25), EN 558-1/26 (PN 40)
Handwheel movememt Non-rising
Valve disc/plug material Metal-to-metal seat
Threaded-end design Flange design, butt weld end design
Stem sealing Gland packing
Body material (EN standard) 1.0425, 1.0460
eClass assignment 37010101
Main applications Industry and process engineering, Energy, Shipping / Shipbuilding
Body material Forged steel
Body/bonnet seal element Externally confined seal