Automatic Hydraulic Door Closing Equipment Buffer Door Closer with Adjustable Speed Mute Soft Closing Door Hardware

Hydraulic Door Closer – Commercial-Grade Aluminum Alloy, Speed Adjustable | For 45-85KG DoorsDesigned for reliable, automatic door control, this hydraulic door closer combines commercial-grade durability with user-friendly functionality. It ensures safe, quiet door closing while protecting doors and locks—ideal for homes, offices, and commercial spaces.【High-Quality Commercial-Grade Construction】Crafted from commercial-grade aluminum alloy, the door closer features hydraulic operation for fully automatic closing. It is antioxidative, anticorrosive, rustless, and abrasion-resistant, with weatherproof performance to adapt to various environments. Equipped with speed-adjustable screws, it allows precise control over closing speed for a smooth, safe experience. Note: This model does not support the hold-open function. Please select a hold-open version if needed.【Clear Purchase Specifications】The door closer is available in three sizes to match different door requirements:Small Size: Suitable for doors weighing 25-45KG, with door frame width 500-1000mm.Medium Size: Suitable for doors weighing 45-65KG, with door frame width 600-1200mm.Large Size: Suitable for doors weighing 65-85KG, with door frame width 900-1300mm.Maximum door opening range: 180º. Not recommended for lightweight doors.【Wide Applicability to Door Types】Compatible with all types of medium-weight doors, including:Right-handed and left-handed doors.Metal doors, fire doors, wooden doors, and framed glass doors.Home doors, office doors, exterior doors, and interior doors.Its universal design makes it a versatile choice for residential and commercial scenarios.【Sturdy & Durable for Long-Term Use】Built to withstand 500,000 cycles of testing (with a guaranteed service life of 400,000 times), ensuring stable performance over years of use. The hydraulic system provides quiet operation, avoiding loud impacts when closing, and effectively protects doors and locks from damage caused by slamming.Usage SuggestionFor optimal performance: Set the closing speed from 180º to 15º to be slightly faster, and the latching speed from 15º to 0º to be slightly slower. This ensures the door closes completely while preventing damage from abrupt latching.【Product Details】Color: SilverType: 2 springs inside, universal 180° no positioningCore Function: Automatic hydraulic closing, speed adjustableMaterial: Commercial-grade aluminum alloy