Automatic Door Closer, Heavy Duty Aluminum Alloy Opener Closer Adjustable Spring Hydraulic Buffer for Interior Commercial or Domestic Use 45 65 KG

Thickening Material: The door closer is made of thickened aluminum alloy material, and passed 1 million+ opening and closing tests. The case is strong and good closure, without leaking oil, and has strong wear resistance and corrosion,strong impact resistance,long term use without damage. Good quality accessories: High performance spring steel made of silicon manganese is selected, which has excellent elasticity and mechanical properties, providing stability for high opening and closing frequency components,with carburized steel gear shaft and manganese-titanium steel piston, ensures a stable structure and smoother operation. Two-stage Speed Regulation :the hydraulic door closer via two independent hydraulic valves to controls the speed in two stages of the closing door process , namely swing motion speed and the catch closing speed, through this precise control, the door closer can achieve smooth and safe closing of the door, while protecting the door and its surrounding facilities from damage. Ease Of Use: The hydraulic door closer includes the necessary accessories, simple structure and easy to install, no need any additional connecting parts, avoids noise problems caused by loose connections, and ensures quietness and comfort during use. Widely Applicable :Door Automatic closer is suitable for door weight 45-70KG and door width of 600mm-1200mm; use for right and left opened door, wood door,metal door or glass door, residential and commercial door, exterior/interior door,fire door, hotel, condominium, apartment complex, warehouse., Weight: 2.20462262 Pounds, Manufacturer: mvrople