Knowledge of security doors, you don't know!

Equipped with anti-theft lock, within the time must be able to resist must under the condition of abnormal open, surely have protective function and conform to the corresponding security peace levels of the gate. Guard against theft all referred to as the 'peace anti-theft door. It has the function of security and peace. In accordance with the provisions of the 'anti-theft safe door general technical conditions', pass the security doors in 15 minutes using chisels, screwdrivers, crowbar popular portable electric tools such as hand tools and hand electric drill can't pry, or on the door leaf open a 615 square millimeters, or within 150 square millimeter of semicircle of locking points to open a shy of 38 mm square. And security door locks must be used after the Ministry of Public Security testing center in the exam with special drilling efficiency of security doors lock. Security doors can be made using the differences of information, but only achieve scale test pass, get the safe guard products ZhunChanZheng door can be called a security doors. Household security doors category 1, according to safe level classification according to anti-theft safe level is divided into 4, a, b, c, d four levels respectively from high to low, decline in turn. 2, according to the sample classification now on the market security doors a lot of more phyletic, scale GB25 -- enacted in accordance with the Ministry of Public Security 92 'anti-theft safe door general technical conditions', security doors, security doors can be divided into fence type solid door and composite door. Fence type security doors is common in the early of door of guard against theft that composed of steel pipe welding, its biggest advantage is drafty, light and the price is relatively low. The guard against theft is fence type steel pipe or steel plate on the upper, lower half for cold rolled steel plate, adopting lock more locking, guaranteeing the security doors pry proof ability. Entity security door is most often used in recent years, adopt cold rolled steel sheet veiw and become, strong impact resistance. Fill the interior steel doors double insulation fireproof material, guard against theft, fire prevention, thermal insulation, sound insulation effect and so on. Professional oliver, in door industry horizon. Multiple security doors made up by solid door and fence type security doors. 3, according to layout characteristics classification according to the layout features, mainly has push-pull type security doors, flat open security doors and more luxury security doors etc. Several examples. For as ordinary consumers, the residents of anti-theft door main is flat open security peace door. Flat open security doors from the form is divided into: pop open the door, the door of the gate, lash door, double door and composite door. Popular flat is the single door open to open the closed doors. Door the door has a gate and has the advantages of flat open the door, it peripheral part of the gate, there is a small door on the gate, open the door can be used as a gate drafty purposes, close the door as flat to open the door. Lash the door as usual and double open the door for the door frame families housing, can conveniently at ordinary times. Two door, composite door, also known as a box for the gate the front door, back door open the door for enclosed flat. Household security door manufacturing material door from the material mainly has the steel door, steel door, aluminum door, bronze, etc. 1, steel security door, steel security door on the one hand, because of its material is hard; On the other hand people is its price. 2, composite joint security doors now commonly used household, is this kind of steel joint security doors, the main reason is that it can be according to decorate a style, to select the color of the disagreement, timber, line, pattern, meet with beautiful effect. Security doors, steel wood joint is through the middle of the plate to guard against theft, do avoid lacquer or paint surface treatment. 3, cast aluminum door aluminum door of the love of consumers. Because it is aluminum, no rust will not fade. Cast aluminum door segmentation words can be divided into solid wood aluminum door, solid core cast aluminum and cast aluminum door three categories. 4, copper door copper door, the market price is too expensive, as usual when Howe equipment use. However, in terms of material copper security doors not only fire prevention, anti-corrosion, dustproof and pry proof. But exterior colour and lustre is inflexible.