Heavy Duty Hydraulic Door Closer Reinforced Parts
For Industrial Workshop Door
| Category | Specifications |
| Size & Power | EN1-EN6 grade, standard mounting holes, fits door width ≤1200mm |
| Material | Aluminum alloy / cast iron body, stainless steel linkage arm |
| Structure | Hydraulic buffer, anti-leakage oil seal, high-toughness spring |
| Function Type | Adjustable speed, fire-rated, hold-open optional |
| Performance | Max opening angle 180°, long service life over 500,000 cycles |
| Fitment | For door thickness 35–80mm, wooden/metal/fire door |
Door Closer Features：
Built-in premium hydraulic buffer system enables two-speed adjustable slow and quiet closing, effectively avoiding loud slamming impact.
High-strength metal main body with precision internal structure, stable load-bearing capacity and long service life of over 500,000 cycles.
Fully adjustable closing and latching speed, compatible with different door weights and usage scenarios, easy to operate.
Universal mounting design with complete installation accessories, suitable for most wooden, metal and fire doors on the market.
Door Closer Applications：
Ideal for household interior doors, entrance doors, balcony doors and bedroom doors.
Widely used in offices, hotels, retail shops, schools and various commercial public buildings.
Perfectly matched with fire-rated doors to meet building safety and fire protection requirements.
Great for new door installation projects and old door closer replacement & daily maintenance work.
Door Closer Installation Steps：
①Mark the mounting positions on the door and door frame accurately according to the installation template.
②Drill mounting holes at the marked points and clear away wood/metal dust and debris.
③Fix the main body of the door closer on the top of the door with the matching screws tightly.
④Install the linkage arm and connect it firmly to the mounting bracket on the door frame.
⑤Adjust the speed control valves to set the proper closing and latching speed according to the door weight.
⑥Test the door opening and closing repeatedly until it works smoothly, no jamming and no abnormal noise.
FAQ
Q1: Can I adjust the closing speed of this door closer?
A1: Yes, it is equipped with independent adjustable valves to freely control the 10-180° closing speed and 0-15° latching speed.
Q2: Will it make noise when closing the door?
A2: The hydraulic buffer design ensures soft and silent closing, no slamming noise even after long-term frequent use.
Q3: Is it suitable for fire doors?
A3: We have professional fire-rated models that meet UL10.C and EN1154 standards, fully compatible with standard fire safety doors.
Q4: What kinds of doors does it fit?
A4: It is compatible with most wooden doors, metal doors, glass doors and ordinary entry doors with width ≤1200mm and thickness 35-80mm.
Q5: Is installation hard for DIY?
A5: It comes with standard mounting holes, full installation accessories and detailed manual, supporting easy self-installation without professional tools.