Certifications & Test Reports
Over 50 USA & EU fenestration certifications and test reports.
Doors serve as crucial entry points for any building. Whether it's a residential space or a commercial establishment, having a reliable and secure door system is vital to protect the occupants and their belongings. One impressive solution that meets these requirements is the Dorma OP440 door closer. In this article, we will explore the features and benefits of the Dorma OP440, understand how it enhances door security, and delve into some real-life applications.
The Dorma OP440 is a high-quality door closer designed to provide controlled closing and opening of doors. It incorporates advanced technology and robust engineering to ensure smooth operation and enhanced security. With its adjustable closing force and speed, the Dorma OP440 can be customized to meet specific requirements.
The Dorma OP440 comes packed with several impressive features that contribute to its ability to enhance door security:
While these features significantly contribute to the enhanced security of the Dorma OP440, they also offer convenience, flexibility, and ease of use. Whether it's a workplace, hotel, hospital, or any other place with considerable footfall, the Dorma OP440 meets the demand for both security and efficient functionality.
Due to its versatility and reliability, the Dorma OP440 finds applications in various environments. Let's take a look at a few examples:
In office buildings, the Dorma OP440 ensures controlled and secure access to different departments and meeting rooms. It offers a smooth and quiet closing mechanism, creating a professional environment while providing privacy and security when needed.
Hotels and resorts benefit from the Dorma OP440's hold open feature, allowing easy access for guests carrying luggage or navigating through crowded common areas. The delayed closing functionality ensures a welcoming entrance experience.
Hospitals and clinics require doors that close securely to maintain patient privacy and prevent unauthorized access. The Dorma OP440's adjustable closing force and delayed closing options are particularly useful in healthcare settings, ensuring smooth transitions in busy corridors.
From schools to universities, educational institutions can enhance security by employing the Dorma OP440 on various doors throughout their campuses. It provides reliable closing control for classrooms and other areas, ensuring a safe learning environment for students and staff.
The Dorma OP440 is a versatile and highly effective door closer solution that offers not only enhanced security but also convenience and flexibility. With its advanced features such as adjustable closing force, backcheck functionality, delayed closing, and hold open option, the Dorma OP440 proves to be an excellent choice for a wide range of applications. Whether it's an office, hotel, hospital, or educational institution, this reliable device ensures controlled access and smooth door operations. Invest in the Dorma OP440 to enhance door security in your building and provide a comfortable environment for the occupants.
dorma op440With Doorwin, you can have all of this with a simple move. This is because we believe that the best way to achieve your goals is by working with
our customers to find solutions to their problems.Our team of designers and engineers are dedicated to solving these problems by creating
products that are designed to be easy to install, easy to maintain and repair, while being cost-effective.
Over 50 USA & EU fenestration certifications and test reports.
TPS glazing ensures that no air leakage and fogging issues for 25 years warranty.
More than 4000 high-end bespoke fenestration projects in North America.
Doorwin products meanwhile with half price compared with your local dealers.
Our team of experts will work with you to develop a bespoke plan that fits your needs. We take a holistic approach to the planning process, combining our technical expertise with our knowledge of customer requirements and project constraints.
Doorwin is the manufacturer of full custom fenestration systems, and we're here for you. We provide you with the freedom to design your windows, doors, and more with no additional charge for special shapes, hardware styles, and color choices. Your vision is our inspiration; our job is to make it a reality.
Our products are made to pass your local inspector's verification and are built under USA building codes so you can rest assured that they are safe and sturdy. Choose Doorwin to experience the best bespoke fenestration service available today!
We take care of the entire process for you, from beginning to end. We have our own expertise and will provide free-charge design development & contract documentation with CAD and BIM drawings. In addition to elevation details and installation design, we will double-check that the products match the drawings and project specifications through video or pictures. We'll help you specify the delivery schedule and logistics service whilst keeping costs to a minimum.
We're proud to be one of the top exporters of windows and doors to the United States. We pack each window individually and in four layers, and finally into wooden boxes with non-fumigation, and at the same time, there will be a lot of shockproof measures in the container to protect your items. We ensure that your products will arrive at the sites in good condition after long-distance transportation.
Doorwin has been exporting tens of millions of dollars of windows and doors to the U.S. every year, and we know that improper packaging can cause breakage of the product when it arrives on site. What the client concerns, we concern most.
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We are tested by the following standards:
-NFRC (North American Fenestration Rating Council)
-AAMA (American Architectural Manufacturers Association)
-WNMA (Wood National Monument Association)
-CSA101 (Canadian Standards Association)
-I.S.2 (International Standard ISO/IEC 17025)
-A440-11 (Standard for Fire Testing of Door Assemblies for Charging Rooms)
Doorwin is a company that specializes in custom-made doors and windows. We understand that every home is unique, and we are committed to providing you with the highest quality products possible.Our products are inspired by different lifestyles, and we respect your vision when designing them. Our designs are made specifically for you, so there is no additional cost. We work across styles and profiles, whether you're remodeling an old house or designing your new dream home. Find inspirations here and we will fulfill all your imaginations.