Access control system
Home /

Access control system

How To Choose Automatic Door Closers?

October 28 , 2022

Door closers are mainly used in commercial and public buildings, especially the access control system. They have many uses, chief among them being to allow doors to close on their own to limit the spread of fire and to ventilate the building.


What issues should be considered when choosing a door closer?


Before choosing a door closer, you should consider door weight, door width, door opening frequency, usage requirements, usage environment, etc.

Door weight and door width are the prerequisites for choosing the door closer model. Generally, the door weight is small and the force is small. First, it feels very easy to open the door, and the installation on the door is also harmonious and beautiful; second, small products are generally more economical. vice versa.


The frequency of door opening is closely related to the quality requirements of the product.

First, the door closer is required to have better sealing performance and no oil leakage. The key is the technology and material of the dynamic seal; the second is to require the door closer to have a long service life, so as to ensure long-term and normal use after installation, reduce maintenance, and reduce maintenance costs. The workload and cost of updating, but also the convenience and enjoyment brought by the door closer products.

Door Closer

Usage requirements include:

1. Whether there is an automatic door stop function after opening the door
2. Damping buffer function
3. Delayed slow closing
4. The closing force can be adjusted
5. Use the environment


1). Whether there is an automatic door stop function after opening the door


2). Damping buffer function

After the door is opened quickly to a certain position, a damping buffer is generated, and the strength and range of the damping buffer can be adjusted according to the requirements of use; this function is used to prevent the door or Magnetic lock from hitting the wall when the door is opened quickly or to prevent people from quickly opening the door during the emergency escape. Leaning forward in weightlessness.


3). Delayed slow closing

The door starts to close at a constant speed and slowly from the maximum position of the door and can be adjusted according to the requirements. It is suitable for use in ordinary and crowded places, especially hospitals, doors, and passages for the elderly, children, and disabled people.


4). The closing force can be adjusted

It can be installed on different doors with a wide range of door weights and door widths, and can be adjusted steplessly in places where the door closing resistance is largely due to environmental reasons to obtain satisfactory closing force. changing place.


5). Use environment: fire protection requirements (fire protection requirements), antifreeze requirements (places with minus 35 degrees in northern winter).


Written by Ms.Vivian He from S4A INDUSTRIAL CO.,LIMITED

Contact Us
  S4A-Security For All.S4A Industrial Co., Limited, Founded in 2010, We have been dedicating in access control production R&D and sales for 10year till now. With the belief that we do one thing well in a lifetime, our CEO has been in this industry for 15 years. During the past 10 years, our products have been exported to various countries and regions. And 90% of customers come from the recommendations of cooperative customers, and 80% of the turnover comes from cooperative customers in the past 10years.Your business is a plant, we are the gardener, our mission is to water and fertilize the plant, and make it become the towering tree. We attach great importance to the partner's appeal, customer's suggestions, and feedbacks. To strengthen Product quality awareness, client's service awareness. Our clients and S4A are on the same path walking for many years.       S4A's future would be even more brilliant, this is related to all of our staff's working sweat. When you join this team, you will feel an invisible power to drive walk forward. S4A mainly produces a series of security Door Access Control such as:Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etcOur team can manufacture products, sell products, and do after-sales.In the realm of access control, one company stands out for its unwavering commitment to providing security services for everyone. S4A, which stands for "Security for All," has been at the forefront of access control technology for the past 13 years. With its own state-of-the-art factory and a strong focus on research and development, S4A has continuously delivered cutting-edge access control machines with the latest functions. Their dedication to product quality, customer feedback, practicability, and cost performance sets them apart as a leader in the industry.Factory and R&D Expertise:S4A takes pride in its fully-equipped factory, where skilled engineers and technicians work tirelessly to develop and manufacture access control solutions that meet the highest standards. The company's investment in research and development has resulted in a steady stream of innovative products that cater to evolving security needs.By staying ahead of the curve, S4A ensures that their customers have access to the latest advancements in access control technology.Quality Assurance and Customer Feedback:At S4A, product quality is of paramount importance. The company adheres to rigorous quality control procedures throughout the manufacturing process to guarantee the reliability and durability of their access control machines. Each product undergoes comprehensive testing to ensure it meets industry standards and exceeds customer expectations. S4A also places great value on customer feedback, actively seeking input to continuously improve their products and services. By listening to their customers, S4A maintains a customer-centric approach and delivers solutions that address real-world security challenges.Practicability and Cost Performance:S4A understands that access control solutions must not only be technologically advanced but also practical and cost-effective. The company's emphasis on practicability means that their products are designed to be user-friendly, easily integrated into existing systems, and adaptable to various environments. S4A's access control machines are known for their intuitive interfaces, simple installation processes, and seamless compatibility with other security systems. Additionally, S4A strives to provide cost-effective solutions without compromising on quality. Their competitive pricing ensures that security is accessible to businesses and individuals of all sizes.With 13 years of industry experience, S4A has cemented its position as a leading provider of access control solutions. Through their dedication to "Security for All," the company has set a benchmark for excellence in product quality, customer satisfaction,practicability, and cost performance. S4A's in-house factory and research and development capabilities enable them to stay at the forefront of technological advancements in the field of access control. As the company continues to evolve and innovate, S4A remains committed to empowering individuals and organizations with the highest level of security, ensuring that everyone can enjoy the peace of mind that comes with a reliable and efficient access control system.We can create value for you!Quality takes great importance for a company's credibility, and buyer's every penny spend must worth it. That is our most basic principle. Our business mainly for wholesale, so we could offer large quantities at competitive prices. During the past 10 years, We work hard to create value for our customers, and with our help, customers have an increasing market share. 99% of the customer...<
  • Address

    Factory Address:Building S4A, South Third Lane, Qiuyuling Street, Zhangkeng Village, Hengli Town, Dongguan City, Guangdong Province Office Address:#601,floor 6 ,building 1,JINFANGHUA industrial zone, Bantian St. Longgang Dist. Shenzhen, PRC.

  • Call us

    0086 755 29450011

Leave A Message

If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Leave A Message
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Home

Products

about

contact