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Lead door airtightness and radiation protection:Lead doors, as specialized facilities for blocking radiation, their airtightness and radiation shielding properties are crucial considerations in design and selection. Below is a detailed introduction to the airtightness and radiation shielding of lead doors:
The airtightness of lead doors refers to their ability to prevent external air from entering or internal air from escaping when closed. Good airtightness is crucial for maintaining a constant environment in the work area and preventing radiation leakage.
Design Features of Airtight Door
Sealing System: Air-tight doors usually employ special sealing systems, such as rubber gaskets, to ensure a tight fit with the door frame when closed, thereby achieving excellent airtightness.
Structural Design: Some airtight door designs cater to specific environment requirements, such as operating rooms, featuring V-shaped tracks and arched recesses that ensure effective sealing upon closure.
2. Actual Application of Airtight Doors
Hospital Application: In a hospital setting, particularly in areas requiring radiation shielding such as CT and DR rooms, the airtightness of the sealed doors is crucial for protecting healthcare professionals and patients from unnecessary radiation exposure.
Safety Considerations: The airtight door also serves as a protective measure. Its material is typically made of high-density security steel wire, offering impact resistance and anti-theft properties.
Radiation protection properties of lead doors
Radiation protection of lead doors refers to their ability to block radiation. Lead doors are typically made of lead material, as lead has a high atomic number and can effectively absorb and scatter X-rays and other types of radiation.
1. Lead door radiation shielding principle
Shielding Effect: Lead doors utilize a certain thickness of lead material to set up a lead barrier between the human body and the radiation source or scatterer, thereby reducing the dose of radiation exposure to the human body.
Ray Characteristics: The main effect of X-rays emitted by X-ray devices on the human body stems from external radiation damage to the organism. Shielding protection can effectively reduce the dose received by personnel.
2. Selection Criteria for Lead Doors
Shielding Thickness: When selecting lead doors, the appropriate shielding thickness should be determined based on factors such as the radiation source characteristics, room size (distance from the radiation source to the reference point), and other considerations.

Additional Considerations: In addition to airtightness and radiation protection, factors such as the lifespan of the lead door, ease of maintenance, and compatibility with the surrounding environment should also be taken into account.

Single-leaf lead door, as the name implies, consists of just one door panel and is suitable for smaller entryways. This lead door structure is relatively simple and is commonly used in spaces with limited space, such as laboratories and small medical radiology departments. The single-leaf lead door is more flexible in opening and closing, operates simply, and due to its single structure, the cost is relatively low.
Single-leaf lead door opening and closing method
Single-Sided Opening: This is the most common opening method for single-leaf lead doors. The door leaf is connected by hinges and can open to one side or both sides. In smaller spaces, the single-sided opening ensures adequate passage space while maintaining the simplicity of the structure and ease of operation.
Bi-parting Lead Door Introduction
Bi-parting lead doors consist of two door panels separated by a certain distance, which can be opened individually or simultaneously. These doors are suitable for larger entrances and exits, such as in large medical radiology departments, radiotherapy rooms, and other situations requiring ample passage space or frequent access. The bi-parting lead door offers superior advantages in terms of protection, passage space, and safety.
The features of the double-leaf lead door include:
Secure and Reliable: Constructed with high-quality lead material, offering robust impact and theft resistance, effectively preventing illegal intrusion.
Ease of Access: The two doors can be opened individually or simultaneously, making it very convenient for users to enter and exit without having to wait for others.
High space utilization: Compared to traditional single-door designs, double-leaf lead doors require only half the width to enter, thereby saving indoor space and better accommodating narrow passages.
High durability: Made with special technology, surface treated for corrosion and rust resistance, designed to withstand harsh environments for extended periods without damage.
Double-leaf lead door opening and closing method
Double-Swing Doors: Ideal for spacious corridors, these doors open outwards to the sides, leaving a clear passage in the middle to provide greater space for entry and exit. This opening method effectively accommodates the needs of large groups of people or large equipment.


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