Watch our new corporate video
corporate video
Customised technical doors
Fire resistant / watertight - Andromède

Fire resistant / watertight - Andromède

2 in 1 door

Interchangeability with Cassiopee doors

Simplify the fire division

Porte coupe feu et étanche - Andromède

Range : hatch, 1 leaf, 2 leaves, 2 leaves + transom

Fire resistance : EI1 60 Sa / Sm EI1 120 Sa / Sm

Airtight : 5000 Pa

Watertight : up to 6 mCE

Seismic load : up to 9 g

Industry and references

This type of door is intended to nuclear, petrochemical and construction industries. These doors are installed in Flamanville 3, Olkiluoto 3 and Taishan EPR NPPs.

Technical information

• Steel sheet both sides, with coating finish, 1 leaf or 2 leaves or 2 leaves + transom,assembled by welding

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

• The frame can be shared with watertight doors, which allows the interchangeability of doors

• Opening by adjustable hinges (2 to 4 per leaf, according to the dimension)

• Water and airtight gasket in cellular EPDM and intumescent gasket for fire resistance

• Pressure rated (air and/or water) both sides


• Embedding of the frame in the 1st or 2nd phase of concreting by leaving a recess of 200 x 200 mm at the rim‍

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


• Manual lever lock (2 to 4 per leaf, according to dimension)

• Removable central mullion for double leaves door

• Door closer


• Finition: galvanization Z600 / 3 layers of decontaminable painting

• Decompression cup

• Oculus (up to 1,5 m water column)

• Lock with panic function / electromechanical lock for access control

• Blast protection (Up to 350 mbar)

• Burglar protection (WK4 according to EN 1627-1630)

• Bullet proof (FB4 according to EN 1522 - 1523)

• Position switch (open/closed)

• Coupling of locks

Our references

Do you want to create a door based on an existing configuration?

Don't hesitate to contact us: our representatives are at your disposal to help you choose the technical door that will perfectly meet your needs and safety performance requirements.