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| Bullet-proof security doors  A bullet-proof version of the door Skydas Premium from Plieninis Skydas was tested in Germany, Beschussamtes Ulm laboratory according to EN1522. Awarded level of bullet resistance is FB4 (resistant to 9 mm handgun shots). The door can be single, double, opened inwards or outwards and with a bullet-proof glass. Plieninis Skydas has designed and in its plant successfully tested the door Skydas Premium FB6, resistant to AK-47 (Kalashnikov) automatic rifle shots. It is currently under preparation for testing in a notified laboratory.Skydas Premium is the best burglar resistant door, suitable both for an apartment and private house. The unique and patented construction of the door Skydas Premium was tested in the notified laboratory IFT Rosenheim, Germany. After these tests, the door Skydas Premium was awarded the 4th security class (WK4, ENV 1627). Product specification: Rating of sound insulation - 45 dB Rw (C; Ctr) Rating of thermal transmittance - 1,3 W/(m²*K) Resistance to repeated opening and closing - 200 000 cycles Identification of resistance to wind load - Class C3 Measurements of air permeability - Class 3 Identification of water tightness - Class 1A Identification of mechanical strength and rigidity - Class 4 Identification of fire resistance - EI30/EI45 Structural features of resistance: 1. The door leaf is of a combined structure: grating, steel plate and grating again, so even if the outside grating was damaged, the door is still protected by the steel plate and inside grating. 2. Double thermal insulation of the plate: a 3 cm layer of rock wool on both sides of the plate. It provides excellent noise and thermal insulation for the door. 3. The frame is fixed in the aperture by 17 pins, protected by steel sleeves of 24 mm. 4. The armoured lock is protected by 2 drilling resistant manganese plates. 5. The bodies of the main and additional locks are installed in protective steel boxes. 6. One of the locks must be no lower than 7th security class. 7. The lock rods of three directions are additionally protected by steel tubes. 8. On the lock side, there are six locking points and 2 additional points directed upwards and downwards. A separate protective sleeve secures each lock pin in the door frame. 9. The lock pins are protected against damaged not by steel plates, but by a 15 mm thick bent profile. 10. On the hinge side, there are eight locking points. 11. Higher security hinges have height adjustment mechanisms. write your comments about the article :: © 2010 Construction News :: home page |