UL Building Door Hardware Fittings Fire Spring Door Closer for Fire Door

UL Building Door Hardware Fittings Fire Spring Door Closer for Fire Door. 5-Year Warranty Coverage: Comprehensive 5-year quality guarantee for all mechanical defects. Multi-Certified Compliance: Holds UL, CE, ANSI, UKCA, BHMA, CERTIFIRE, and CCC certifications. OEM and ODM Services: Accepts custom manufacturing orders for brands and designs. Adjustable Closing Speed: Features adjustable closing and latching speeds with two-speed valves. Heavy Door Capacity: Designed for doors up to 1100mm wide and weighing 65-85kg. Durable Aluminum Alloy: Constructed from high-strength aluminum alloy for long-lasting performance. Sample Availability: Samples provided for quality checking prior to placing orders. Versatile Installation: Supports standard, parallel, and door frame installation types.