General description The Lightweight Aluminum Alloy Door Closer is designed for automatic closing of doors in various settings such as homes, offices, and hotel rooms. It features a durable aluminum alloy body with nickel-plated steel parts, ensuring longevity and ease of maintenance. Technical specifications Material: Aluminum alloy body with nickel-plated steel parts Door weight capacity: 25~45 kg Door width: ≤ 1000 mm Door opening angle: up to 150° Height difference between door frame and door: less than 5 cm Installation Easy to install with a nickel-plated surface metal bracket If the door frame is too high, use a material to raise the bracket so that it is parallel to the door frame Usage Ensure the door can open and close naturally without excessive resistance for optimal performance