Nuclear Power Plant & Nuclear Technology

DEKOMTE expansion joints are installed to fulfill seismic displacements according to RG1-29 with movements in all directions. Higher design pressures, humidity and radiation add to the material durability. Testing to achieve an air tightness for a minimum of 3000 cycles requires a complete design solution with full responsibility of the joint performance.

Kunde:Nuclear Power Plant & Nuclear Technology

Nuclear power is the use of a nuclear reaction to produce electricity. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by nuclear fission of uranium and plutonium in nuclear power plants.

Nuclear power is the use of a nuclear reaction to produce electricity. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by nuclear fission of uranium and plutonium in nuclear power plants.

Lösung:DEKOMTE expansion joints are installed

DEKOMTE expansion joints are installed to fulfill seismic displacements according to RG1-29 with movements in all directions. Higher design pressures, humidity and radiation add to the material durability. Testing to achieve an air tightness for a minimum of 3000 cycles requires a complete design solution with full responsibility of the joint performance. A lengthy design and product validation process was required by DEKOMTE to assure a high-quality solution for the TAM hatch sleeve location. A 20-year guarantee of life under high stress, high movements and seismic load. Built to be airtight and withstand flooding, fire and the normal movement and operation.

Fabric expensions joints in HVAC ducts:

  • Installation of expansion joints to fulfill new seismic requirements of ductwork in NPP
  • 4 classes of seismic displacement
  • Design pressure between 25—150 mbar
  • Temperature 60 °C
  • Humidity 100 %
  • Radiation max. 0.5 Gy/year

 

EPDM Expansion joints in hot zone nuclear reactor:

  • Max temperature 150°C, operating 50°C Movements 60 mm in all directions
  • Design pressure 23 mbar, test 100 mbarg
  • Humidity 100%
  • Normal radiation < 200 krad LOCA
  • Accidential Radiation 65 Mrad (kGy) 1 year
  • Size DN 1250 / 1250 x 1000 mm
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Dekomte Expansion Joint Technology

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