𝐃𝐎𝐎𝐑 𝐂𝐋𝐎𝐒𝐄𝐑𝐒 𝐂𝐎𝐌𝐌𝐄𝐑𝐂𝐈𝐀𝐋 𝐔𝐒𝐀𝐆𝐄: The D9000DA 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 extra 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 Hardware closers also carry the ANSI / BHMA A156.4 certification. As 𝐀𝐍𝐒𝐈 𝐆𝐫𝐚𝐝𝐞 𝟏 commercial door hardware with 2 million cycles required, D9000DA suits medium- to high-traffic applications, like in department stores, schools, and offices. This model also complies with accessible design standards. 𝐈𝐍𝐒𝐓𝐀𝐋𝐋𝐀𝐓𝐈𝐎𝐍: Every pack of commercial door closer we provide contains all the necessary hardware, such as brackets and soffit plate, for installation using any of the three mounting types. The mounting options for our surface-mounted door closer are 𝐫𝐞𝐠𝐮𝐥𝐚𝐫 𝐚𝐫𝐦 𝐦𝐨𝐮𝐧𝐭𝐢𝐧𝐠 (𝐦𝐨𝐬𝐭 𝐩𝐨𝐰𝐞𝐫-𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭), 𝐭𝐨𝐩 𝐣𝐚𝐦𝐛 𝐦𝐨𝐮𝐧𝐭𝐢𝐧𝐠 (fairly power-efficient), and parallel arm mounting (with 25% less power efficiency than the other two options). 𝐒𝐏𝐄𝐂𝐈𝐅𝐈𝐂𝐀𝐓𝐈𝐎𝐍𝐒: This door closer weighs 12.6 pounds. Its screw/bolt pattern is 5" c-c wide and 2-1/4" c-c high. It has a footprint height of 3-1/2" (89 mm) and a width of 12-1/4" (311 mm). This automatic door closer's projection is 2-1/4" (57 mm). It can deliver an adjustable spring force of #1-6 of 2-14 pounds or more of closing force. 𝐂𝐑𝐎𝐒𝐒 𝐑𝐄𝐅𝐄𝐑𝐄𝐍𝐂𝐄: The JS-D9000DA can be specified as a substitute and/or a direct replacement (shares the same hole pattern) for: Norton 7500, Dorma 8900, Cal-Royal CR441, Sargent 291, Dor-O-Matic SC730, Corbin Russwin DC3200 and DC6200, Yale 4400, LYNN Hardware DC9016 The Traditional American Heavy Duty Door Closer is your choice for commercial doors. This closer features a durable cast iron body and a forged steel arm, along with an optional hold open arm. The closer also has three valves for adjustable closing speed, latching speed, and backcheck. The adjustable backcheck and delayed action come standard, giving you more control over your door. ANSI A156.4 tested and certified, this door closer is an excellent choice for commercial applications.