180 Degree Door Closer Fireproof

Light Duty Door Closer - Model DDDC012

1. Product Overview

The DDDC012 Light Duty Door Closer by D&D HARDWARE is a UL Listed (3 Hours Fire-Rated, File No.: R40717) and CE Certified door closer engineered for smooth, controlled door operation in residential and light commercial applications. Designed to integrate seamlessly with D&D’s door hardware ecosystem (including door locks, door hinges, and door handles), this closer delivers reliable performance with adjustable closing & latching speed. Ideal for doors up to 750mm wide and 15–30kg in weight, it combines safety, durability, and ease of use for hotels, apartments, offices, and more.

2. Light Duty Door Closer - Technical Specifications

• Model Number: DDDC012
• Brand: D&D HARDWARE
• Max. Door Width: ＜750mm
• Door Weight Capacity: 15–30kg
• Speed Control: Adjustable Closing & Latching Speed (via two separate valves)
• Certifications: UL Listed (10C, 3 Hours Fire Rated, File No.: R40717), CE Certified
• Endurance: 500,000 Cycles Guaranteed
• Work Temperature: -30°C to 60°C (suitable for diverse climates)
• Installation Types: Standard, Top-Jamb, Parallel Arm
• Finish Options: Gold, Brown, Antique Bronze, Light Bronze, Matt White, Silver, Dark Bronze, Matt Black, or custom

3. Light Duty Door Closer - Product Images and Videos

4. Light Duty Door Closer - Product Features & Advantages

• UL Listed & CE Certified: 3-hour fire protection (UL Listed, File No.: R40717) and CE compliance ensure safety and code adherence in residential and light commercial buildings.
• 500,000 Cycles Endurance: Guaranteed durability for long-term use in moderate-traffic environments, reducing replacement frequency and maintenance costs.
• Adjustable Speed Control: Two separate valves enable precise adjustment of closing and latching speeds, ensuring smooth, controlled door operation without slamming.
• Wide Temperature Range: Operates reliably from -30°C to 60°C, making it suitable for diverse climates and indoor/outdoor applications.
• Universal Installation: Compatible with standard, top-jamb, and parallel arm setups, fitting various door configurations and design requirements.
• Light Duty Efficiency: Optimized for doors weighing 15–30kg (width ＜750mm), delivering efficient performance in residential and light commercial spaces like apartments or small offices.
• Seamless D&D Hardware Integration: Works with door locks, door hinges, door stops, and door accessories to create a unified door hardware system for comprehensive building functionality.

5. Light Duty Door Closer - Installation Steps

1. Prepare the Door & Frame: Ensure door width (＜750mm) and weight (15–30kg) match DDDC012 specifications. Gather installation tools (drill, screwdriver, measuring tape).
2. Select Installation Type: Choose standard, top-jamb, or parallel arm installation based on door/frame design and project requirements.
3. Mount the Closer Body: Attach the door closer body to the door or frame using provided hardware, aligning with door hinge and door lock components.
4. Install Arm & Linkage: Connect the closer arm to the door and frame, adjusting linkage length for proper door travel and closing force.
5. Adjust Speed Valves: Set closing and latching speeds via the two separate valves, testing operation for smooth, controlled movement.
6. Verify Integration: Ensure compatibility with door locks, door hinges, and door stops for seamless system performance in opening/closing cycles.

6. Light Duty Door Closer - Application Scenarios

The DDDC012 Light Duty Door Closer excels in environments requiring efficient, fire-rated performance for light-duty doors, including:

In hotels, it ensures guest bathroom doors close securely while meeting fire safety codes, integrating with door locks for privacy control. For apartments, the 15–30kg weight capacity handles interior bedroom or closet doors, pairing with door hinges for quiet, durable operation. In small offices, adjustable speed control provides smooth door closing in meeting rooms, matching door handles for a professional aesthetic.

7. Light Duty Door Closer - Value for Buyers

• Fire Safety Compliance: UL 3-hour fire rating meets building codes, ensuring occupant safety and reducing liability for property owners.
• Light Duty Efficiency: Optimized for 15–30kg doors, delivering energy-efficient performance without unnecessary bulk or cost for residential and small commercial spaces.
• Systematic Procurement: Integrates with D&D’s door locks, door hinges, door stops, and accessories, enabling buyers to source a complete door hardware solution from one supplier—streamlining logistics and project management.
• Customization Flexibility: Diverse finish options and universal installation adapt to unique project requirements and design aesthetics.
• Easy Installation & Operation: Clear instructions and adjustable speed valves make setup accessible for contractors, while smooth operation enhances user experience in occupied spaces.

8. Light Duty Door Closer - Certifications and Compliance

The DDDC012 Door Closer meets rigorous international standards for safety, performance, and quality:

• UL Listed (10C, 3 Hours Fire Rated): File No.: R40717—validates fire protection performance in emergency scenarios.
• CE Certification: Complies with European safety, health, and environmental protection standards.
• ISO 9001 Quality System: Produced in D&D’s ISO 9001-certified factory, with strict quality control from material sourcing to final testing.

9. Light Duty Door Closer - Customization Options

D&D offers OEM/ODM customization for the DDDC012 door closer to meet project-specific needs:

• Finish Customization: Select from standard finishes (Gold, Brown, Antique Bronze, etc.) or request custom colors to match door handle and architectural aesthetics.
• Branding: Incorporate custom logos or engravings on closer bodies for property developers or brand-specific building solutions.

10. Light Duty Door Closer - Production Process & Quality Control

1. Material Sourcing: Procure high-quality components tested for strength, corrosion resistance, and fire-rated performance.
2. Precision Manufacturing: Use advanced machining to produce closer bodies, arms, and speed valves—ensuring dimensional accuracy for UL/CE compliance.
3. Finishing & Coating: Apply selected finishes (powder coating, plating) with strict adhesion and uniformity testing to ensure aesthetic durability and corrosion resistance.
4. Assembly & Calibration: Integrate speed valves, springs, and mechanical components, calibrating speed control for smooth, consistent door operation.
5. Quality Inspection: Each closer undergoes functional testing (speed control, closing force, fire-rated performance) and visual inspection for defects—critical for UL/CE certification.
6. Certification Testing: Random samples are tested against UL 10C and CE standards to verify fire-rated performance and safety in emergency scenarios.
7. Packaging: Pack in protective white/color boxes or custom cartons to prevent damage during shipping, with clear labeling for easy identification in logistics.