Back Check Fire Rated CE EN1154 Wooden Door Hydraulic Door Closer-DDDC071BC

The key functions of a door closer are multifaceted. In terms of controlled closing, it employs hydraulic or pneumatic mechanisms to adjust the speed and force, thereby avoiding abrupt slamming of the door. For fire and smoke protection, fire - rated closers, such as those certified under EN1154 + EN1634, ensure that doors self - close to block the spread of fire and smoke. Regarding accessibility and safety, door closers comply with ADA/EN1 standards, facilitating ease of use for people with disabilities. Additionally, they contribute to security and energy efficiency by preventing doors from staying open, which reduces unauthorized access, drafts, and HVAC energy loss. There are also common types of door closers. Surface - mounted closers are attached to the door frame and are often seen in places like schools and offices. Concealed closers are hidden within the door or frame, providing an aesthetic appeal and are commonly used in hotels and hospitals. Floor springs are employed in heavy or pivoting doors, such as those at commercial entrances.