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**What is the Role of a Security Door?**
With the advancement of technology, security doors have evolved into various types, each designed for specific purposes. Here are some common categories:
1. **Retractable Speed Gate (Wing Gate)** – This type of gate allows fast and smooth access control, either in one or both directions. It’s commonly used in high-traffic areas where efficiency is key.
2. **Swing Gate** – Known for its high level of security, this gate is ideal for controlling pedestrian access in sensitive areas. It provides reliable protection while allowing easy passage.
3. **Optical Door** – Designed to manage access control for people and identity cards, optical doors use advanced technology to ensure accurate and secure entry.
4. **Three-Roll Gate** – These gates are specifically used for restricting access and managing the flow of people. They are often seen in public places such as subway stations or shopping malls.
5. **Rotating Door** – Ideal for high-security environments, rotating doors allow two-way fast access and are often used in unmanned channels. They combine security with convenience.
6. **Sliding Door (Pingkaimen)** – Typically used in spacious areas, sliding doors help control access levels and provide a clean, modern look.
**The Difference Between a Security Door and a Security Gate**
While the terms "security door" and "security gate" are sometimes used interchangeably, there are clear distinctions between them.
First, a **security door** must have a permanent security mark according to national standards. This mark is usually placed at the upper corner of the inner hinge, 160 cm above the ground. It indicates the anti-theft level of the door. On the other hand, **security gates** do not follow the same national standards and are not required to have such markings.
In everyday life, **security doors** are mostly used in residential settings, such as homes or community buildings. Their main purpose is to prevent theft, provide sound insulation, and enhance privacy. In contrast, **security gates** are typically found in non-residential areas like offices, factories, or government buildings. They are designed for more rigorous access control and security management.
Despite these differences, both **security doors** and **security gates** serve the same fundamental purpose: ensuring safety and protecting people from potential threats. Whether it's securing a home or controlling access to a restricted area, they play a crucial role in maintaining security.
Whether you're looking for a practical solution for your home or a high-level security system for a commercial space, choosing the right type of door or gate can make all the difference.