Air / watertight 20 mCE- Cassiopée 20

This type of door is intended to nuclear industry mainly to prevent natural disasters (tsunamis).

These doors are installed in Flamanville 3, Olkiluoto 3 and Taishan EPR NPP according to post-Fukushima requirements.

• Rigid steel structure door with coating finish assembled by welding

• The frame is composed of different sizes angle brackets in painted steel, fitted withconnectors for sealing into concrete

• Opening by machined hinges
• 6 points central locking system
• Operation by wheel
• Watertight silicone seal
• Pressure rated (air and/or water) both sides

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• Embedding of the frame in the 1st or 2nd phase of concreting by leaving a recess of 300 x300 mm min. at the rim

• Possibility to weld the frame on pre-sealed anchor plates or peg into concrete

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• Anti-blast protection (up to 2 bar)

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• Finishing: galvanization Z600/ 3 layers of decontaminable painting

• Access control system

• Door closer
• Position switch (open/ closed)

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