Automatic Hydraulic Door Closer with Stop Function, Adjustable Spring and Closed Buffer for Doors from 25 to 45 kg – Commercial and Residential Use

General Description The automatic hydraulic door closer is designed for commercial and residential use, capable of handling doors weighing between 25 and 45 kg. It keeps the door open within a range of 90 to 180 degrees without requiring external force or a door stop. This automatic and silent closing device improves your daily comfort by eliminating the need to remind others to close the door. Technical Specifications Door Weight: 25 to 45 kg Door Width: 750 to 850 mm Material: High-quality aluminum alloy Speed Control: Two valves for closing and locking Installation The door closer comes with a detailed installation manual and video, making installation easy. It is designed for smooth and easy installation. Operation To use the door closer, simply pull the door open 90 degrees, and it will close automatically. You can adjust the closing speed to suit your needs using the control valves. Other information: The door closer has passed CE, UL, and 3C certifications and fire tests, guaranteeing its compliance with quality standards. It is suitable for wooden, metal, and fire-resistant doors, and is appropriate for both indoor and outdoor use.