Product Name: Semi-Automatic Sliding Door Closer for Residential Door, Sliding Door Opener Model NO.: LT-SAS Brand: OEM Electric Current Type: None Driving Type: Manual Structure: Straight Arm Material: Aluminum Alloy, Aluminum Alloy~@ Installation Type: Slide Type: Outside-Mounted Color: OEM Function: Buffered Usage: Home Door Width: 1200mm Door Weight: 45~65kg Remote Controlled: No Trademark: OEM Transport Package: Carton Specification: CE Origin: China HS Code: 84769000 Product Description Semi-automatic sliding door closer, manual open, automatic closed by a gear power unit.Features1. Human design, energy-saving.2. Adjust torque valve to adjust the closing speed.3. Closing and opening smoothly, low noise.4. It can match single leaf door or double leaf door, and even telescopic door.5. Easy to install and convenient to use.6. The door doesn't need much space, especially suitable for shopping centers, offices, kitchens, bathrooms etc.Technical dataSingle leaf double leafMax. Door weight 90kg 2x80kgMax. Door width BW=650mm~1200mm BW=650mm~1000mmOverall Width W=1300mm~48000mm W=1300mm~5200mmInstallation type surface mounting concealed installationMax. Manual push force 20N 30NAmbient temperature -30~+50SINGLE OPEN TYPE