Screen Door Closer, Automatic Door Closers for Home and Commercial, Door Damper, Soft Close, 3C/UL 3 Hours Fireproof Certification(14.8cm/5.8in)

This is not just a door closure to avoid slams, it's a precision safety device. Designed for home and commercial properties requiring reliable performance, our hydraulic door closer combines commercial grade durability with whisper-quiet functionality. Equipped with adjustable valves for door sweeping and latching, it can soft close doors with seamless movement and no slamming. Features:◆ This door closer has passed the international 3C/UL3-hour fire test.◆ Unpositioned door closer, the door can be opened to a maximum of 180°, and the door will automatically close once opened.◆ The door closer adopts a two-stage speed regulation design, you can control the speed at your "door" and "lock" closes. ◆ The telescopic arm of the door closer is adjustable. Even if the door frame and the door leaf are not on the same plane, it can still be installed smoothly.◆ The door closer is made of precision die-cast aluminum alloy, with durable sealing ring.◆ The door closer spring is made of 60Si2mn, which will not break, has a long service life of 1 million times without deformation, and rejects abnormal noise◆ Gear, made of 20Cr round steel, gear heat treatment, low temperature resistance, high fatigue resistance.◆ The connecting rod and the main body are connected with a square-mouth anti-slip buckle, which is more secure and improves the safety factor.Basic Information:◆ Material: cast aluminum◆ Color: silver◆ Max. Opening Angle: 180°◆ Is it possible to locate: No (No matter what the door opening angle is, it will close automatically)◆ Speed Control: adjustable door opening and closing speed, two-stage adjustable speed◆ Environmental Adaptation: -104℉~122℉ (-40℃~50℃)Package IncludedDoor Closer Kit x1Instructions x1All Accessories for Assembly

• <33.5", door weight: 55-143 lbs; 7.3" door closer is suitable for door width 37.4", door weight: 143-187 lbs; 8" door closer is suitable for door width 43", door weight: 187-231 lbs; 8.8" door closer is suitable for door width 59", door weight: 231-331 lbs.
• ◆Non-Positioning Door Closer: By default, we ship non-positioning door closers. The door can be opened up to 180° and will close automatically after opening. If you need a 90° positioning door closer (When the door is opened ≥90°, the door will stay at 90°), you can contact us after placing an order and let us send you a positioning door closer.
• ◆Adjustable Closing Speed: The door closer adopts a hydraulic two-stage speed regulation design, the closing speed of door and lock can be freely controlled. Clockwise rotation slows down, and counterclockwise rotation speeds up. One stage 15°~180° adjustable, two stages 0°~15° adjustable.
• ◆Adjustable Telescopic Arm: The telescopic arm is adjustable and can be retracted freely. Even if the door frame and door leaf are not on the same plane, it can still be installed smoothly. It is suitable for metal, wood, glass door with frame or composite doors, making it a versatile solution for various types of doors.
• ◆Durable and Reliable: The door closer is made of cast aluminum material, surface high gloss oil surface sealing technology, wear-resistant and scratch-resistant, anti-rust and durable. Using high-quality carbon structural steel, quenched gear shaft and piston, strong hardness, not easy to wear, and guaranteed to be used normally for 1 million times. It has passed the international 3C/UL 3-hour fire test.