News - Events
Why do operating rooms need airtight doors? A contamination control solution for modern hospitals
In operating room environments, maintaining sterility depends not only on air filtration systems or pressure-control HVAC systems but also directly on the design of the entrance doors. Operating rooms are areas where people, medical equipment, and supplies frequently move in and out, making doorways one of the most common points for air leakage. So, why […]
What is A-4 airtightness? Why are NABCO airtight doors suitable for operating rooms and cleanrooms
In hospitals, operating theaters, cleanrooms, and pharmaceutical manufacturing facilities, airtightness is one of the most important criteria when selecting a door system. Among various classifications, A-4 airtightness is widely regarded as the benchmark for environments that require strict environmental control. So, what is A-4 airtightness, how is it evaluated, and why do many project owners […]
In hospitals, operating theaters, cleanrooms, and pharmaceutical manufacturing facilities, airtightness is one of the most important criteria when selecting a door system. Among various classifications, A-4 airtightness is widely regarded as the benchmark for environments that require strict environmental control. So, what is A-4 airtightness, how is it evaluated, and why do many project owners […]
What is an Airlock? The role of airlock doors in cleanrooms and NABCO solutions
In pharmaceutical manufacturing plants, electronic cleanrooms, and hospital operating theaters, an airlock is one of the most critical areas for environmental control and contamination prevention. Although it is commonly used in these facilities, many people still do not fully understand its actual function. So, what is an Airlock, how does it work, and why is […]
In pharmaceutical manufacturing plants, electronic cleanrooms, and hospital operating theaters, an airlock is one of the most critical areas for environmental control and contamination prevention. Although it is commonly used in these facilities, many people still do not fully understand its actual function. So, what is an Airlock, how does it work, and why is […]
Can automatic doors be opened during a power outage? What you need to know to ensure safety
One of the most common questions when considering or installing an automatic door system is: Can automatic doors be opened during a power outage? Many people worry that when the power goes out, the door may become locked shut, disrupting traffic flow or preventing safe evacuation in an emergency. In reality, modern automatic door systems […]
One of the most common questions when considering or installing an automatic door system is: Can automatic doors be opened during a power outage? Many people worry that when the power goes out, the door may become locked shut, disrupting traffic flow or preventing safe evacuation in an emergency. In reality, modern automatic door systems […]
What is JIS A 4702? Its significance for automatic doors and hospital airtight doors
In technical documents related to automatic doors especially hospital doors, operating room doors, and cleanroom doors—you will often encounter specifications such as A-4, T-1, or JIS A 4702. However, many people are unfamiliar with what these ratings mean and how they affect the performance of a door system. So, what is JIS A 4702, what […]
In technical documents related to automatic doors especially hospital doors, operating room doors, and cleanroom doors—you will often encounter specifications such as A-4, T-1, or JIS A 4702. However, many people are unfamiliar with what these ratings mean and how they affect the performance of a door system. So, what is JIS A 4702, what […]
What are hospital door materials? Selection criteria for modern healthcare facilities
In modern healthcare facilities, hospital door materials not only determine the durability of the door system but also directly affect infection control, hygiene, sound insulation, and airtight performance in different functional areas. From patient rooms and ICUs to operating rooms and isolation wards, each space has its own requirements regarding door materials and construction. So, […]
In modern healthcare facilities, hospital door materials not only determine the durability of the door system but also directly affect infection control, hygiene, sound insulation, and airtight performance in different functional areas. From patient rooms and ICUs to operating rooms and isolation wards, each space has its own requirements regarding door materials and construction. So, […]
Sonha Auto performs NABCO automatic door maintenance at AEON Mall Hai Phong in 2026
In large-scale shopping malls such as AEON Mall, automatic door systems play a critical role in ensuring smooth and safe pedestrian flow for the thousands of visitors entering and exiting the facility every day. To maintain optimal operational performance, Sonha Auto continued to carry out NABCO automatic door maintenance at AEON Mall Hai Phong in […]
In large-scale shopping malls such as AEON Mall, automatic door systems play a critical role in ensuring smooth and safe pedestrian flow for the thousands of visitors entering and exiting the facility every day. To maintain optimal operational performance, Sonha Auto continued to carry out NABCO automatic door maintenance at AEON Mall Hai Phong in […]