描述
Heavy-Duty Concealed Hydraulic Floor Spring for Glass Doors
Product Introduction
The BM-KD.28 Floor Spring Series is a premium-grade concealed hydraulic floor spring specially engineered for modern architectural door systems. Designed for durability, stability, and smooth door control, this model is widely used in commercial and residential projects requiring reliable door closing performance and elegant concealed installation.
Manufactured with precision hydraulic technology and reinforced internal components, the BM-KD.28 provides consistent opening and closing performance for frameless glass doors, aluminum frame doors, wooden doors, and steel swing doors. Its concealed floor-mounted structure helps maintain the clean and luxurious appearance of modern entrances while ensuring long-term operational reliability in high-traffic environments.
The BM-KD.28 is an ideal solution for contractors, building hardware distributors, glass door manufacturers, wholesalers, and project developers seeking high-quality floor spring systems for export markets.
Main Features
1. Concealed Floor Mounted Structure
The BM-KD.28 adopts a hidden floor installation design that allows the entire hydraulic mechanism to be concealed beneath the floor surface. This design significantly improves the overall appearance of entrance systems and creates a minimalist architectural style suitable for modern commercial buildings and luxury interiors.
Compared with traditional exposed door closers, concealed floor springs provide a cleaner and more professional visual effect.
2. Advanced Hydraulic Technology
The product is equipped with a precision hydraulic control system that ensures stable, smooth, and silent door operation. The advanced hydraulic mechanism effectively controls door opening and closing speed, reducing impact force and preventing sudden slamming.
The internal hydraulic components are carefully engineered to maintain long-term performance stability under continuous heavy-duty usage.
3. Heavy-Duty Bearing Capacity
The BM-KD.28 floor spring is specially designed for medium and heavy glass door applications.
Technical Data:
- Suitable Door Width: ≤850mm
- Maximum Door Weight: ≤90kg
- Opening Angle: 90°–135°
- Product Length: 249mm
- Product Width: 118mm
- Product Height: 49mm
Its reinforced internal structure provides excellent load-bearing performance and ensures stable operation even in high-frequency commercial applications.
4. Smooth and Silent Closing
The hydraulic damping system minimizes operational noise during door movement, creating a quiet and comfortable environment.
This feature is especially important for:
- Hotels
- Office buildings
- Hospitals
- Conference centers
- Luxury retail stores
- Residential apartments
The soft-closing function also improves safety and reduces wear on door hardware and glass fittings.
5. Adjustable Closing Speed
The BM-KD.28 supports adjustable closing speed and latching control, allowing installers to customize door movement according to environmental requirements and project conditions.
This flexibility ensures:
- Better user experience
- Enhanced safety
- Reduced door impact
- Improved door alignment
6. High-Quality Materials
The product body is manufactured from premium-grade steel and high-strength alloy materials with anti-corrosion treatment.
Material Advantages:
- Excellent wear resistance
- Strong structural stability
- Corrosion resistance
- Long service life
- High fatigue resistance
The internal mechanical parts are precision-machined to ensure consistent hydraulic performance and operational durability.
7. Long Service Life
The BM-KD.28 is developed for long-term commercial usage and intensive daily operation.
Each unit undergoes:
- Pressure testing
- Hydraulic leakage inspection
- Opening and closing cycle testing
- Durability testing
- Dimensional inspection
This strict quality control process guarantees reliable performance and long operational lifespan.
Product Specifications
| Item | Specification |
|---|---|
| Product Name | Floor Spring |
| Model | BM-KD.28 |
| Type | Concealed Hydraulic Floor Spring |
| Material | Steel + Alloy |
| Door Width | ≤850mm |
| Door Weight | ≤90kg |
| Opening Angle | 90°–135° |
| Length | 249mm |
| Width | 118mm |
| Height | 49mm |
| Installation Type | Floor Mounted |
| Door Type | Glass / Wooden / Aluminum / Steel Door |
| Finish Color | Black |
| Application | Commercial & Residential |
| OEM Service | Available |
| ODM Service | Available |
Product Advantages
Elegant Architectural Appearance
The concealed installation design helps maintain modern architectural aesthetics while eliminating visible hardware components.
Excellent Door Control
The precision hydraulic mechanism provides stable and controlled door movement for enhanced user comfort and safety.
Reliable Heavy-Duty Performance
Designed for continuous high-frequency usage in busy commercial environments.
Reduced Maintenance Cost
Durable internal components and high-quality materials significantly reduce maintenance requirements and replacement frequency.
Easy Installation
The BM-KD.28 is designed for efficient installation and compatibility with standard glass door hardware systems.
Flexible Application
Suitable for:
- Single-action doors
- Frameless glass doors
- Commercial swing doors
- Interior and exterior entrance systems
Application Areas
The BM-KD.28 Floor Spring Series is widely used in various architectural and commercial projects worldwide.
Commercial Buildings
Ideal for office entrances, business centers, and corporate buildings where professional appearance and reliable performance are required.
Shopping Malls
Suitable for heavy pedestrian traffic and frequent door operation.
Hotels and Resorts
Provides quiet and smooth door movement for luxury hospitality environments.
Hospitals and Medical Facilities
Silent operation improves patient comfort and creates a professional healthcare environment.
Airports and Transportation Hubs
Designed to withstand intensive daily operation and continuous public usage.
Retail Stores
Enhances storefront appearance while ensuring smooth customer access.
Residential Projects
Perfect for villas, apartments, and luxury residential entrances.
Manufacturing Process
We strictly control every production stage to ensure export-quality standards.
Production Procedures:
- Raw material inspection
- Precision machining
- Hydraulic system assembly
- Surface treatment
- Functional testing
- Quality inspection
- Packaging inspection
- Export preparation
All products are manufactured under strict quality management systems to ensure stable product performance and international export compliance.
OEM & ODM Services
We provide comprehensive OEM and ODM services for global distributors, importers, and construction hardware brands.
OEM Services Include:
- Customized logo
- Customized packaging
- Product labeling
- Brand-exclusive production
- Customized manuals
ODM Services Include:
- Structural optimization
- New product development
- Customized dimensions
- Surface finish customization
- Technical solution support
Our professional engineering and export teams work closely with customers to meet project-specific requirements and market demands.
Export Services
As an experienced export-oriented manufacturer, we provide complete international trade support for overseas customers.
Our Export Services Include:
1. Professional Export Packaging
Strong and secure export packaging ensures product safety during long-distance transportation.
2. International Logistics Support
We assist customers with:
- Sea freight
- Air freight
- Container arrangement
- Consolidated shipment
- Port delivery coordination
3. Export Documentation
We provide complete export documentation including:
- Commercial Invoice
- Packing List
- Bill of Lading
- Certificate of Origin
- Product inspection documents
4. Technical Support
Professional technical assistance before and after shipment.
5. Quality Assurance
Strict quality inspection before delivery to ensure product consistency.
6. Fast Delivery
Stable production capacity ensures timely shipment schedules for international orders.
Packaging Details
To ensure safe international transportation, all products are packed according to export standards.
Standard Packaging:
- Individual inner box
- Protective foam packaging
- Strong export carton
- Pallet packaging available
Customized packaging solutions are also available according to customer requirements.
Minimum Order Quantity (MOQ)
MOQ: 200 Pieces
We mainly support:
- Importers
- Hardware wholesalers
- Construction suppliers
- Glass hardware distributors
- Engineering contractors
- Building material companies
For bulk orders and long-term cooperation, competitive pricing and customized solutions are available.
Quality Assurance
Our company strictly follows international manufacturing and quality inspection standards.
Each BM-KD.28 floor spring undergoes:
- Hydraulic leakage testing
- Closing force testing
- Durability testing
- Opening angle inspection
- Surface quality inspection
- Final assembly inspection
We are committed to supplying stable, durable, and export-grade architectural hardware products to global markets.
Why Choose Us
Professional Manufacturing Experience
Years of expertise in architectural hardware and floor spring production.
Stable Product Quality
Strict quality control ensures consistent product reliability.
Competitive Factory Price
Direct manufacturer supply with export-oriented pricing advantages.
Strong Export Capability
Rich experience serving overseas distributors and project contractors.
Fast Response
Professional international sales team provides efficient communication and support.
Long-Term Cooperation
We focus on building stable and mutually beneficial partnerships with global customers.
Cooperation Process
- Customer inquiry
- Product confirmation
- Quotation and negotiation
- Sample arrangement
- Order confirmation
- Mass production
- Quality inspection
- Shipment arrangement
- After-sales support
After-Sales Service
Customer satisfaction is our long-term priority.
We provide:
- Technical consultation
- Installation guidance
- Product usage support
- Quality issue assistance
- Long-term cooperation support
Our experienced team is ready to provide timely and professional service for all overseas customers.
Conclusion
The BM-KD.28 Floor Spring Series is a high-quality concealed hydraulic floor spring designed for modern commercial and residential door systems. Combining elegant concealed installation, heavy-duty performance, smooth hydraulic control, and long service life, it is an ideal choice for global architectural hardware markets.
With professional manufacturing capability, strict quality control, comprehensive OEM/ODM support, and complete export services, we are committed to providing reliable door control solutions for customers worldwide.
We sincerely welcome distributors, wholesalers, project contractors, and international buyers to establish long-term business cooperation with us.
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