Sophia Door Closer Commercial Heavy Duty DK4000 Automatic Door Closer Adjustable Size 1-6, Grade 1 Auto Hydraulic Door Hinge Closer for High Traffic Areas - ADA Compliant & UL Listed, Matte Black — Open-Box

DOOR CLOSERS COMMERCIAL USAGE: The DK4000 door closer is designed for high traffic areas, such as interior and exterior doors of department store, aluminum storefront, factorie, school, restaurant, office and other public place. The hydraulic door closer is adjustable in size from 1-6 and is suitable for doors weighing up to 150kg (330 lbs max) and wide (800-1500mm, 31-60 inch). Also, it is a non-handed closer that will work on left or right handed doors exposed to extreme temperatures.

HIGH-QUALITY: The door hydraulic closer consists of US26D satin chrome plated precision cast aluminum body and forged steel arm. It features heat-treated pistons and powder-coated bodies that provide excellent protection and corrosion resistance even in extremely harsh environments. The door closer system features 3 valves for adjustable closing speed, latching speed and backcheck. This automatic door closer latches while maintaining quiet operation.

CERTIFICATIONS: It's worth noting, these commercial door closer system is ideal for commercial and industrial applications. These auto door closer hinges has UL228-listed and ANSI/BHMA A156.4 certified and have a UL-certified three-hour Fire rating. As ANSI Grade 1 commercial door hardware with 2,000,000+ cycles required that suits high-traffic commercial applications. And this model also complies with accessible design standards.

SECURE & SEAMLESS AND FLEXIBLE: Don't let the door hit you on the way out! Our hydraulic door closer is built to close consistently and securely. Plus, our auto door closer ensures smooth door closure while preventing slamming. And attach your closer in a left or right configuration to any common door frame and jamb material. Use a complete auto door closer set that accommodates wood, aluminum & steel.

EASY TO INSTALL: Every pack of hydraulic door closer we provide contains all the necessary hardware, installation templates and detailed guide, such as brackets and soffit plate for installation using any of 3 mounting types. The mounting options for our surface-mounted door closer are regular arm mounting, top jamb mounting and parallel arm mounting.

According to the statistics, the door closing hardware produced by us has been selected by most global users. To join over 1,500,000 residential and commercial partners that have chosen SOPHIA each year. The D4000 medium duty commercial automatic door closer from SOPHIA suits high traffic areas, such as interior and exterior doors of department store, aluminum storefront, factorie, school, restaurant, office and other public place. Our range of trusted products are easy to install and even easier to use, all for a value installers can save on. It is ideal for commercial and reaidential use.