Heavy Duty Automatic Door Closer With Spring Hydraulic Action, Aluminum Alloy Body, Surface Mounted, Fire Resistant And ANSI UL Certified, Residential And Commercial Grade, Adjustable Speed For Doors 187 To 231 Lbs, Silver Finish

Heavy Duty Door Closer with Spring Hydraulic Action
✔️ Aluminum alloy body, surface mounted, dual-speed control, 1 unit pack

This heavy-duty automatic door closer with spring hydraulic action is designed for residential and commercial doors. Its aluminum alloy body resists corrosion and endures millions of cycles, making it ideal for high-traffic entrances. The unit is surface-mounted, finished in silver, and certified for UL fire resistance and ANSI standards.

✅ Aluminum alloy body resists corrosion and wear
✅ Two independent rotary valves provide two-stage speed control (180°-15° and 15°-0°)
✅ Fits doors up to 1100 mm wide and 85-105 kg (187-231 lb)
✅ Temperature range -40°C to 60°C for indoor/outdoor use
✅ Three installation options based on door and frame alignment

💡 What is a heavy-duty door closer with spring hydraulic action used for in busy commercial and residential settings? This handy device controls door speed and helps prevent injuries by softening closure.
- Handy for high-traffic doors in offices, schools, hospitals, and shops
- Provides adjustable closing speed to meet accessibility standards and reduce noise
- Supports installation on wood, aluminum, and metal doors for interior or exterior use
- Helps protect doors, frames, and walls by moderating impact