
Single One-Way Automatic Spring Door Closer. 3-Year Warranty Coverage: Provides a comprehensive 3-year guarantee for the automatic floor spring mechanism. High Capacity Support: Supports doors up to 150kg weight with a maximum width of 1000mm. Adjustable Closing Speed: Features two-section adjustment for closing speed between 45-135 and 25-0 degrees. Extreme Temperature Resistance: Operates normally in temperatures from -40 to +85 degrees Celsius using frostbite hydraulic oil. 500,000 Cycle Durability: Passed rigorous testing of over 500,000 cycles ensuring long-term reliability. Laser Logo Customization: Offers laser logo marking on the machine body for brand personalization. Pressure Reducing Valve: Includes internal valve to prevent oil leakage and damage from strong wind or pressure. Remote Control Function: Equipped with DC 12V output and specialized receivers for effective remote operation.