描述
The BM-KD.38 Floor Spring Series is a professional-grade concealed hydraulic floor spring designed for modern architectural door systems and heavy-duty commercial applications. Manufactured with advanced hydraulic technology and precision-engineered internal mechanisms, this floor spring provides smooth, stable, and quiet door operation while maintaining long-term durability and reliability.
The BM-KD.38 is specially developed for frameless glass doors, tempered glass swing doors, aluminum doors, wooden doors, and steel doors used in commercial buildings, shopping centers, hotels, office entrances, banks, airports, hospitals, and luxury residential projects.
With its concealed floor-mounted structure, elegant appearance, and superior load-bearing capability, the BM-KD.38 offers an ideal combination of functionality, safety, and modern architectural aesthetics.
This model is highly suitable for global distributors, architectural hardware wholesalers, engineering contractors, glass door manufacturers, and building material suppliers seeking export-quality floor spring solutions.
Main Product Features
1. Concealed Floor Mounted Design
The BM-KD.38 adopts a hidden installation structure that is mounted beneath the floor surface. After installation, the hydraulic mechanism remains completely concealed, preserving the clean and elegant appearance of modern entrance systems.
Compared with traditional exposed door closers, the concealed floor spring design offers:
- Better architectural aesthetics
- Improved space appearance
- Modern minimalist style
- Enhanced commercial image
- Cleaner door system integration
This design is widely preferred in high-end commercial and luxury residential projects.
2. Advanced Hydraulic Control System
The BM-KD.38 is equipped with a precision hydraulic damping system that ensures stable and smooth door movement.
The internal hydraulic mechanism effectively controls:
- Door opening speed
- Door closing speed
- Buffering performance
- Latching action
- Door return stability
The hydraulic technology minimizes sudden impact and door slamming while improving operational comfort and safety.
3. Heavy-Duty Performance
Designed for medium and heavy glass door applications, the BM-KD.38 provides excellent load-bearing performance and long-term operational stability.
Technical Data:
- Suitable Maximum Door Width: ≤900mm
- Maximum Bearing Weight: ≤90kg
- Opening Angle: 90°
- Product Length: 249mm
- Product Width: 107mm
- Product Height: 49mm
Its reinforced internal mechanical structure allows the product to operate efficiently under continuous heavy-duty commercial usage.
4. Smooth and Silent Door Operation
The hydraulic damping system significantly reduces operational noise during opening and closing movement.
This silent operation is especially suitable for:
- Hotels
- Office buildings
- Luxury retail stores
- Hospitals
- Conference centers
- Residential apartments
- Libraries
- Commercial showrooms
The soft-closing performance enhances user experience while reducing wear on glass door systems and hardware components.
5. Adjustable Closing Speed
The BM-KD.38 supports adjustable closing and latching speed functions.
Installers can fine-tune the hydraulic settings according to:
- Door weight
- Installation environment
- User preference
- Traffic conditions
- Safety requirements
This flexibility ensures optimal performance for different architectural applications.
6. Premium Quality Materials
The floor spring body is manufactured using high-strength steel and premium alloy materials with advanced anti-corrosion surface treatment.
Material Advantages:
- Excellent structural stability
- Strong wear resistance
- Corrosion resistance
- High fatigue resistance
- Long operational lifespan
- Stable hydraulic performance
The internal components are precision-machined to ensure long-term durability and reliable door control performance.
7. Long Service Life
The BM-KD.38 is designed for intensive daily operation and long-term commercial use.
Each unit undergoes strict quality inspection and durability testing before shipment, including:
- Hydraulic pressure testing
- Opening and closing cycle testing
- Leakage inspection
- Surface inspection
- Mechanical performance testing
- Dimensional accuracy inspection
This ensures reliable product quality and stable long-term operation.
Product Specifications
| Item | Specification |
|---|---|
| Product Name | Floor Spring |
| Model | BM-KD.38 |
| Type | Concealed Hydraulic Floor Spring |
| Material | High-strength Steel + Alloy |
| Maximum Door Width | ≤900mm |
| Maximum Door Weight | ≤90kg |
| Opening Angle | 90° |
| Length | 249mm |
| Width | 107mm |
| Height | 49mm |
| Installation Type | Floor Mounted |
| Application | Glass / Aluminum / Wooden / Steel Doors |
| Color | Black |
| Usage Area | Commercial & Residential |
| OEM Service | Supported |
| ODM Service | Supported |
Product Advantages
Elegant Concealed Appearance
The hidden installation structure improves architectural aesthetics and creates a clean, professional entrance appearance.
Stable Hydraulic Performance
The advanced hydraulic mechanism provides controlled and smooth door movement for enhanced safety and comfort.
Heavy-Duty Durability
Specially designed for continuous commercial usage and high-frequency door operation.
Reduced Maintenance Costs
Premium materials and precision engineering reduce maintenance requirements and extend service life.
Flexible Installation Compatibility
Compatible with various frameless glass door systems and standard architectural hardware configurations.
Safe and Reliable Operation
The hydraulic damping function prevents sudden slamming and improves user safety.
Applications
The BM-KD.38 Floor Spring Series is widely used in various commercial and residential projects.
Commercial Buildings
Suitable for office towers, business centers, and professional commercial entrances.
Shopping Malls
Handles heavy pedestrian traffic with stable and reliable performance.
Hotels and Resorts
Provides smooth and quiet operation for luxury hospitality environments.
Airports and Transportation Facilities
Designed for continuous operation in public traffic areas.
Hospitals and Medical Buildings
Silent closing improves environmental comfort and reduces noise disturbance.
Banks and Financial Institutions
Supports secure and professional entrance systems.
Retail Stores and Showrooms
Enhances storefront appearance while ensuring stable customer access.
Residential Villas and Apartments
Ideal for luxury residential glass door applications.
Manufacturing Process
We follow strict production standards and export-level quality management procedures throughout the manufacturing process.
Production Workflow:
- Raw material inspection
- Precision CNC machining
- Hydraulic assembly
- Surface treatment
- Functional testing
- Durability testing
- Final quality inspection
- Export packaging
Each production stage is carefully controlled to ensure product consistency and stable export quality.
OEM & ODM Services
We provide professional OEM and ODM services for international customers, distributors, and construction hardware brands.
OEM Services:
- Customized logo engraving
- Customized product labels
- Customized export packaging
- Brand-exclusive production
- User manual customization
ODM Services:
- Product structure modification
- New product development
- Special dimension customization
- Surface finish customization
- Technical design support
Our engineering team works closely with customers to develop customized solutions for different market requirements.
Export Services
As an experienced export-oriented manufacturer, we provide comprehensive international trade support and global logistics solutions.
Our Export Services Include:
1. Professional Export Packaging
All products are packed with reinforced export-standard packaging to ensure transportation safety.
2. International Shipping Support
We assist customers with:
- Sea freight arrangement
- Air freight arrangement
- Full container loading
- Consolidated shipment
- Port delivery coordination
3. Export Documentation
Complete export documents are provided, including:
- Commercial Invoice
- Packing List
- Bill of Lading
- Certificate of Origin
- Inspection documents
4. Quality Control Support
Strict pre-shipment inspection ensures stable product quality before export.
5. Technical Assistance
Professional technical support before and after shipment.
6. Fast Delivery Service
Stable production capacity supports timely order fulfillment and shipment schedules.
Packaging Information
To guarantee safe transportation during international shipment, the BM-KD.38 floor spring is packed using professional export packaging standards.
Standard Packaging Includes:
- Individual inner box
- Foam protective materials
- Strong outer export carton
- Pallet packaging available upon request
Customized packaging solutions are available according to customer branding requirements.
Minimum Order Quantity (MOQ)
MOQ: 200 Pieces
We mainly cooperate with:
- Architectural hardware distributors
- Importers and wholesalers
- Building material suppliers
- Engineering contractors
- Glass hardware companies
- Construction project suppliers
For large-volume orders and long-term partnerships, we provide competitive pricing and customized cooperation plans.
Quality Assurance
Our company strictly implements international quality control standards to ensure every product meets export-grade requirements.
Each BM-KD.38 floor spring undergoes:
- Hydraulic performance testing
- Opening and closing cycle testing
- Load-bearing inspection
- Surface quality inspection
- Leakage testing
- Dimensional accuracy inspection
- Final assembly verification
We are committed to providing durable, reliable, and high-performance architectural hardware products for global customers.
Why Choose Us
Professional Manufacturer
Years of experience in architectural hardware and floor spring manufacturing.
Stable Product Quality
Strict quality control ensures reliable and consistent performance.
Competitive Factory Pricing
Direct factory supply with cost-effective export pricing advantages.
Strong Export Experience
Rich experience serving international distributors and engineering projects worldwide.
Fast Response and Communication
Professional international sales team provides efficient customer support.
Long-Term Partnership Support
We focus on building stable and mutually beneficial cooperation relationships.
Cooperation Procedure
- Customer inquiry
- Product specification confirmation
- Quotation and negotiation
- Sample confirmation
- Order placement
- Mass production
- Quality inspection
- Shipment arrangement
- After-sales service
After-Sales Service
Customer satisfaction is our long-term business priority.
We provide:
- Technical consultation
- Installation guidance
- Product usage support
- Quality issue assistance
- Long-term cooperation support
Our professional service team is ready to provide efficient and timely assistance for overseas customers.
Conclusion
The BM-KD.38 Floor Spring Series is a premium concealed hydraulic floor spring designed for modern architectural door systems. Combining elegant concealed installation, advanced hydraulic technology, heavy-duty durability, smooth door control, and long operational lifespan, it is an ideal solution for commercial and residential glass door applications worldwide.
Supported by professional manufacturing capability, strict quality management, comprehensive OEM/ODM services, and complete export support, we are committed to delivering high-quality architectural hardware products to global markets.
We sincerely welcome importers, distributors, wholesalers, contractors, and project suppliers worldwide to establish long-term business cooperation with us.
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