Neutron and gamma rays protection door -Neutronic

This type of door is intented to nuclear and medical industries.
These doors are installed in Flamanville 3, Olkiluoto 3 and Taishan EPR NPPs as well as in AP1000nuclear power plant in Sanmen and Hayiang (China).

• Easy PEHD replacement technology for maintenance

• The frame is composed of solid steel uprights fitted by special bolts to concrete and special stair profile to ensure correct neutronic radiation protection

• Opening and closing fonction by motorized hinges (patented device)

• Automatic threshold / Automatic plinth complete the biological/neutronical shield.

• Special airtight gasket in EPDM with high hardness

• Seism taken into account

• Neutrophageous PEHD material is encased with steel material. Total thickness can vary

• Large thickness steel sheets on both sides, S235 or S355 machined, 1 leaf or 2 leaves, assembled by welding and bolting

Installation options :
• Embedding of the frame in the 1st or 2nd phase of concreting by leaving a recess at the rim

• Necessary to weld or screw the frame on pre-sealed anchor plates

• Special tools to be used for installation such as counterbalanced hoist or door frame manipulator or special troley

• Motorized hinges (patented)
• Locking device and safety automation equipment• Control board
• Fire protection
• Control panel both sides (in and outside)
• Installation into reccess or onto the wall

• Fire-rated protection

• Control panel on both sides (inside and outside)

• Recessed or wall installation