Automatic Door Closer Heavy Duty Hydraulic Aluminum Alloy Surface Mounted Home Door Closer Commerical UL 3-Hour Fire Rating ANSI Grade 1 Adjustable Speed Spring Size 2-5 Door Weight 44-330 Lbs

Product Details

• Color: Silver
• Size: Silver
• Item Weight: 3.5 pounds
• Included Components: Dust Cover, Main Body, Parallel bracket, Scalable Rocker Arm, Screw
• Number of Items: 21
• Unit Count: 1 Count
• Model Number: 4000 series
• Item Type Name: door-closers
• Manufacturer Part Number: HD-4000
• Installation Type: Surface-mounted
• Recommended Uses For Product: Commercial buildings, High-traffic areas, Fire-rated doors
• Specification Met: ANSI, UL
• Item Dimensions L x W x H: 8"L x 2"W x 8"H
• Material Type: Metal
• Exterior Finish: Aluminum

About this item

• Material: The body is made of high-quality aluminum alloy, with a painted surface that is resistant to oxidation, corrosion, and long-lasting. This product has passed ANSI 156.4 Level 1, million cycle testing, UL228 performance testing, and 3-hour fire certification. Suitable for residential, industrial, and commercial purposes. High toughness 60si2mn spring is not easy to break or deform, and the piston and gear shaft have undergone high-frequency quenching treatment, with a long service life
• Multi functional adjustment: equipped with four independent rotary valves. You can freely adjust according to your own needs. You can adjust the closing speed within the two ranges of 180 ° -15 ° and 15 ° -0 ° respectively. The force valve can be adjusted between 2 and 5 degrees of force, making it easy for both the elderly and children to open the door. The BC valve has a door opening buffer function of 60 ° to 90 °, which can prevent damage to the door due to excessive opening angle
• Widely applicable: The door closer can be installed from the push or pull side of the door. Suitable for left-hand and right-hand doors, easy to install on wooden doors, anti-theft doors, fireproof doors, aluminum alloy doors, and other doors. It can be installed both indoors and outdoors, suitable for other high traffic public areas such as schools, hospitals, office buildings, shops, hotels, etc. Residential areas include bathroom doors, kitchen doors, warehouse doors, garage doors, etc
• The 4000 series door closer is designed to be installed on the surface of doors and door frames, suitable for doors weighing 44-330 pounds and width of 24-55 inches. Can be used for regular, top or parallel installation. We provide all necessary installation accessories so that you can choose the appropriate installation method based on the position of the door and door frame. With our comprehensive drawing instructions and video guide, you can install quickly and worry free
• Customer service: In order to meet the needs of customers, we provide 24-hour online customer service. If you have any quality or installation issues with the product you purchased, you can contact us and we will do our best to solve them for you