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Commercial Aluminium Alloy Strong Spring Slow Door Closer
- Product Information
Silver
Black Aluminium
White Aluminium
DC‑004 Commercial Aluminium‑Alloy Strong‑Spring Slow Door Closer
DC‑004 commercial heavy‑duty strong‑spring slow door closer manufactured by WINGTEC. Cast‑aluminium alloy housing fitted with reinforced strong‑spring hydraulic internal assembly, premium gear‑shaft, piston and high‑quality sealing components. Adopts slow‑closing hydraulic damping mechanism to achieve soft slow‑close performance. Max 180‑degree opening angle, independent two‑valve adjustment for closing speed and latching speed. Surface‑mount standard arm installation, stable automatic door closing performance for heavy‑usage commercial door‑sets. Works cooperatively with wooden, metal, steel and fire‑rated interior‑exterior door assemblies. Full‑set mounting accessories are supplied. Monthly production capacity reaches 200,000 units for B2B wholesale architectural commercial door‑control hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | Cast‑Aluminium‑Alloy Surface‑Mount Strong‑Spring Slow‑Closing Hydraulic Commercial Door Closer |
| Operation | Reinforced strong‑spring power output, hydraulic slow‑close damping, max 180° opening angle, two‑valve adjustable closing‑latching speed, hydraulic‑spring auto‑closing |
| Material | Cast‑Aluminium Alloy Housing, reinforced strong‑spring, precision gear‑shaft, piston and seal‑ring hydraulic‑spring assembly |
| Core Functions | Strong‑spring powerful closing force, hydraulic slow‑close soft damping effect, dual‑speed tunable, stable auto‑closing for high‑frequency commercial door‑sets |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior‑Exterior Door Assemblies, Commercial Building Door‑Control Hardware Projects |
| Production Capacity | 200,000 Units / Month |
| MOQ | 100 PCS |
| Sample Time | 5‑7 Working Days |
| Lead Time | 30‑35 Days |
| Packing | 1 Set / White Box, Standard Export Carton |
Application Scenarios
High‑Frequency Commercial Building Door Installations
DC‑004 strong‑spring slow door closer is designed for office, retail and public‑building commercial door‑sets. Reinforced strong‑spring delivers reliable closing power while hydraulic slow‑close damping avoids violent door‑slamming. Well‑suited for heavy‑traffic interior‑exterior commercial door assemblies.
Wooden & Fire‑Rated Door New‑Build & Renovation
This cast‑aluminium surface‑mount hydraulic door closer fits wooden, metal, steel and fire‑rated interior‑exterior door‑sets. Reinforced spring‑hydraulic system maintains stable performance under repeated frequent opening‑closing cycles. Suitable both for new‑construction and renovation retrofit building hardware assignments.
Architectural Hardware Tender Specification Projects
Full mounting hardware kit included. Standard arm surface‑mount design simplifies field installation. Datasheet and installation drawings available for tender submission documentation for commercial building projects.
Product Characteristics
High‑strength cast‑aluminium alloy housing, reinforced heavy‑duty strong‑spring for reliable closing‑power output
Built‑in hydraulic slow‑close damping mechanism to realize soft slow‑closing and prevent harsh door‑slamming impact
Max 180‑degree opening angle, two‑valve independent adjustment for closing speed and latching speed for different site‑condition tuning
Standard surface‑mount arm installation structure, mature proven design for commercial high‑frequency usage scenarios
Stable hydraulic‑spring system, compatible with wooden, metal, steel and fire‑rated interior‑exterior door assemblies
Full‑set mounting accessories included for quick on‑site installation; monthly capacity 200 000 units for B2B wholesale orders
Warranty & Customization
Standard quality warranty against manufacturing defects of aluminium housing and reinforced strong‑spring hydraulic‑spring components
Bulk wholesale supply for architectural construction and commercial door‑control hardware tender projects, multiple surface finish selections available
2D installation drawing and product performance specification datasheet available for tender submission documentation
Frequently Asked Questions
What is the advantage of strong‑spring design for DC‑004?
DC‑004 adopts reinforced strong‑spring structure to guarantee sufficient closing force for commercial high‑traffic door‑sets, together with hydraulic slow‑close damping to avoid hard slamming for safe and quiet operation.
Can DC‑004 adjust closing and latching speed separately?
Yes, DC‑004 is equipped with two independent adjusting valves, you can tune closing sweep speed and final latching speed separately according to site door‑weight and usage environment.
Which door types suit DC‑004 commercial door closer?
DC‑004 strong‑spring slow door closer fits wooden, metal, steel and fire‑rated interior‑exterior door assemblies for various commercial building projects.
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