Automatic Sliding Door Closer, Quiet Pneumatic Damping, Adjustable Speed, 2050kg Aluminum Alloy for Patio and Balcony

Automatic Sliding Door Closer Color: Light Force Overview A pneumatic sliding door closer designed for smooth, reliable automatic closing of sliding doors. Uses the resistance generated during door movement to activate a final slow close, avoiding increased opening force associated with hydraulic closers. Built with an aluminum alloy body and a strength spring for long service life. Key benefits Automatic closing: Closes the door after opening to prevent doors from being left open, reducing manual effort and reminders. Soft final close: Pneumatic technology provides a controlled slow close in the last section of travel to prevent slamming and reduce noise. Adjustable speed: Twostage speed regulation lets you fine tune closing speed. Turn clockwise to reduce speed and counterclockwise to increase speed. Durable and clean: Aluminum tube body and pneumatic operation mean no oil leakage and long lasting performance. Energy saving: Keeping sliding doors closed reduces heating and cooling loss in conditioned spaces. Specifications Product name: Automatic Sliding Door Closer Color: Light Force Material: Aluminum alloy Adjustment range: Twostage speed regulation Compatible door width: 7501300 mm (0.75 m to 1.3 m) Recommended door weight (light damper): 2050 kg, suitable for door widths 0.75 m to 1.3 m Package includes: Automatic door closer x1 Operation and installation Operation: The device uses pneumatic door closing technology. During the closing stroke the builtin damper engages for a gradual final close while the main spring provides the closing force without increasing the force required to open the door. Speed adjustment: Twostage adjustment allows simple tuning. Clockwise reduces the closing speed. Counterclockwise increases the closing speed. Installation: Measure the closed door width and stroke, then follow the included mounting steps. Installation is straightforward and suitable for DIY installation on compatible sliding doors. Practical applications Residential sliding glass doors and patio doors where doors are often left open and temperature control is important. Balconies and terraces to keep doors closed automatically without manual intervention. Office partitions or commercial sliding doors in light traffic areas where controlled, quiet closing improves comfort. What it solves Eliminates repeated reminders to close sliding doors. Prevents door slams and reduces noise during final closing. Avoids oil leakage issues of hydraulic closers while delivering stable, adjustable closing performance. Compatible and reliable for sliding doors within the specified width and weight ranges.