𝐃𝐎𝐎𝐑 𝐂𝐋𝐎𝐒𝐄𝐑𝐒 𝐂𝐎𝐌𝐌𝐄𝐑𝐂𝐈𝐀𝐋 𝐔𝐒𝐀𝐆𝐄: The D8000DA Automatic Door Closer from JELOSTONE Architectural Hardware suits high-traffic entrances, such as aluminum storefronts, factories, schools, restaurants, and other public places. This is a door automatic closer for doors that weigh up to 150kg (330lbs max) and are (800-1500mm, 31-60 inch) wide. Also, it is a non-handed closer that will work on left- or right-handed doors exposed to extreme temperatures. 𝐌𝐀𝐓𝐄𝐑𝐈𝐀𝐋 This door hydraulic closer is manufactured from US26D satin chrome-plated cast aluminum, wrought steel arm. It features a heat-treated piston and a powder-coated body to enhance corrosion resistance. The heavy-duty door closer features four valves for adjustable closing speed, latching speed, backcheck, and delayed action. This automatic door closer latches while maintaining quiet operation. 𝐂𝐄𝐑𝐓𝐈𝐅𝐈𝐂𝐀𝐓𝐈𝐎𝐍𝐒: These auto close door hinges have a UL-certified three-hour fire rating. JELOSTONE Architectural Hardwar closers also carry the ANSI / BHMA A156.4 certification. As 𝐀𝐍𝐒𝐈 𝐆𝐫𝐚𝐝𝐞 𝟏 commercial door hardware with 2 million cycles required, DC8016 suits medium to high-traffic applications, such as interior and exterior doors of department stores, offices, and more. This model also complies with accessible design standards. 𝐈𝐍𝐒𝐓𝐀𝐋𝐋𝐀𝐓𝐈𝐎𝐍: Every pack of commercial door closer contains all the necessary hardware, such as brackets and soffit plate, for installation using any of the 3 mounting types. The mounting options for our surface-mounted door closer are 𝐫𝐞𝐠𝐮𝐥𝐚𝐫 𝐚𝐫𝐦 𝐦𝐨𝐮𝐧𝐭𝐢𝐧𝐠, 𝐭𝐨𝐩 𝐣𝐚𝐦𝐛 𝐦𝐨𝐮𝐧𝐭𝐢𝐧𝐠, 𝐚𝐧𝐝 𝐩𝐚𝐫𝐚𝐥𝐥𝐞𝐥 𝐚𝐫𝐦 𝐦𝐨𝐮𝐧𝐭𝐢𝐧𝐠. With the flexibility to choose the best fit for your door make this the ideal choice for businesses looking to upgrade their security. Say hello to a seamless and efficient installation process. 𝐒𝐏𝐄𝐂𝐈𝐅𝐈𝐂𝐀𝐓𝐈𝐎𝐍𝐒:This door closer weighs 7.6 pounds. It has a footprint height of 2-1/8" (54 mm) and a length of 13-1/16" (335 mm). It can deliver an adjustable spring force #1-6 of 2-14 pounds or more of closing force. 𝐂𝐑𝐎𝐒𝐒 𝐑𝐄𝐅𝐄𝐑𝐄𝐍𝐂𝐄: The JS-D8000DA can be specified as a substitute and/or a direct replacement (shares the same hole pattern) for: Norton 8501,Yale 3301, Corbin-Rosswin DC3210,Dorma 8600, Stanley D3551, Arrow 5016N, LYNN Hardware DC8016 The JELOSTONE DC8000DA Door Closer is designed to handle even the busiest of traffic areas,it is the perfect solution for those in search of a durable and trustworthy door closer. With a surface-mounted and automatic design, installation and maintenance is a breeze. And, with a size 1-6 classification, this commercial door closer is capable of effortlessly handling even the heaviest of doors just like a door closing magnet. Constructed with sturdy aluminum, it's built to withstand the test of time and withstand the daily wear and tear of high-traffic environments. Keep your commercial space secure and protected.