General description The Spring Door Closer is designed for household use, featuring an aluminum alloy housing and nickel-plated steel parts. This adjustable surface mount automatic door closer is suitable for various settings, including homes, offices, and hotel rooms. It effectively manages doors weighing up to 45kg, ensuring smooth operation. Technical specifications Material: Aluminum alloy housing with nickel-plated steel parts Maximum door weight: 45kg Maximum door width: ≤ 1000mm Maximum door opening angle: 150° Height difference between door frame and door: less than 5cm Installation Easy to install with a metal bracket featuring a nickel-plated surface If the door frame is too high, use material to raise the bracket to ensure it is parallel to the door frame Usage Ensure the door opens and closes naturally without excessive resistance for optimal performance Spring tension is adjustable within a certain range