What is the price of the ordinary type of butterfly bridge security door?

The cheapest of this ordinary security door is only a few hundred dollars, but the quality is certainly not so good, I think the security door has to buy a similar, because the ordinary one can not be used for a few years, and you have to spend money to replace it.

The real anti-theft door is about four or five hundred yuan, and most of the cheapest ones are fakes Distinguish the anti-theft door: in addition to the anti-theft door on the market, there are steel doors, anti-pry doors, security doors, armored doors, etc., the so-called real D-level anti-theft doors must be tested by the statutory testing institutions, China's only anti-theft door standard is the GB17565-1998 "General Technical Conditions for Anti-theft Security Doors" formulated by the Ministry of Public Security in 98, which clearly points out that one of the main standards for anti-theft doors is the abnormal opening time of the anti-theft door is 15 minutes, In other words, the door cannot be broken within 15 minutes by using ordinary tools such as chisels, screwdrivers, and crowbars, and portable power tools such as hand drills""Security door""In addition, another standard for the anti-theft door is the thickness of the façade "=, the thickness of the iron sheet of the door frame" =.

1. What is the size of the security door?

1. The height is 2050mm and 970mm, and the width is 860mm and 960mm. >>>More

The standard size of the household security door is 2050mm*960mm, the most standard is 2050mm*860mm, and there is 1970mm*960mm, 1970mm*860mm, the anti-theft door is generally made according to the actual needs of the family, and the maximum can be 2500*2500. The national standard security door generally has four specifications, the height is 2050mm and 1970mm, the width is 860mm and 950mm, the combination can be: 2050 * 860mm, 2050 * 950mm, 1970 * 860mm, 1970 * 950mm, the height of 2050mm is the total height of the door frame, if the user door height is 2070mm, you can buy 2050mm height, you need to leave a margin of about 20mm, It is relatively easy to adjust during installation. >>>More

Generally, if you do double doors, the size of the door opening is standard to about the right, which is the most standard. The size of the door leaf is 800mm, and the two doors are 1600mm. Add to that the thickness of the door frames on both sides, and the required clearances for installation. >>>More