High Quality Hydraulic Fireproof Two Way 180 Degree Open Door Closer Machine Non-Handed Surface- Mounted En4 Door Closer

High Quality Hydraulic Fireproof Two Way 180 Degree Open Door Closer Machine Non-Handed Surface- Mounted En4 Door Closer. EN4 Standard Certification: Passes EN1154, UL228, and QBT2698 standards for European market compliance. 500,000 Cycle Durability: Tested for over 500,000 cycles ensuring long-term reliability and performance. 5-Year Warranty Coverage: Comprehensive five-year warranty and after-sales service for peace of mind. Full Customization Options: Offers full customization, minor customization, and customization from samples/designs. 180 Degree Opening Angle: Supports a maximum opening angle of 180 degrees for wide access. Aluminum Alloy Construction: Durable aluminum alloy material suitable for interior or exterior doors. Adjustable Speed Control: Features adjustable sweeping and latching speeds for precise door control. Versatile Installation Types: Supports standard, top jamb, parallel arm, sliding arm, and concealed installation.