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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Description
Main Applications
– Chemical industry
– Boiler feed applications
– Boiler recirculation
– Cooling circuits
– Condensate transport
– Petrochemical industry
– Process engineering
– Heat recovery systems
– Sugar industry
– Mining
– Descaling units
– Fossil-fuelled power stations
– Paper industry / pulp industry
– Shipbuilding
– Snow-making systems
– Nuclear power stations -
Advantages
– 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.
– Easy mounting of actuator on yoke head.– Additional safety and blow-out protection by standard back seat.
– Long service life and high functional reliability- – Stop nut as standard. Limited wedge action prevents jamming in closed position and ensures reliable opening of the gate valve even in the event of temperature transients.
– Of the gland packing due to non-rotating stem with burnished shank.
– Threaded bush runs in ball bearings for smooth actuation.
– Hard-faced seat/disc interface made of wear-resistant and corrosion-proof 17 % chrome steel or Stellite.– Threaded bush free from non-ferrous metals, for versatile application.
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Suitability
Gate valve
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Technical Features
- Nominal pressure
- PN 10, PN 16, PN 25, PN 40
- Max. nominal size
- DN 900
- Maximum allowable fluid temperature
- 450 °C
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Downloads
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