Automatic Hydraulic Door Closer with Stop Device, Adjustable Spring Door Closer, Closed Buffer Commercial and Residential Use 25-45 kg Door（Silver）

Hold open at 90°~180° door open range - When your opening angle is more than 90°, this door closer can keep the door open at any angle. You don't need to use external force or a door stop to keep the door open. If you like a well-ventilated room or need to move goods frequently, this will be your best choice. You just need to pull the door less than 90° and it will close automatically. High Quality & Adjustable Speed ​​- The hydraulic door closer is made of high quality aluminum alloy. It can automatically and silently close your door. Improves your quality of life. You no longer have to shout “shut the door”. The door closer has 2 valves that independently control the closing and locking speed. You control the closing speed as you wish.Easy to install and quality standard - The door closer comes with a detailed and clear installation manual and installation video. Simple and smooth installation. The hydraulic door closer has passed CE, UL, 3C certification and fire test. Manufactured according to European production standards Widely applicable: Size 2 door closer spring is used for doors weighing 20-40 kg and door width 750-850 mm. Automatic closing is suitable for right and left opening doors, wooden, metal, residential and commercial doors, exterior/interior door closer, fire door, hotel, condominium, apartment, warehouse.