HTB DC04 Door Closer

Heavy-Duty Hydraulic Door Closing System

The HTB DC04 Door Closer is designed for smooth, controlled, and automatic door closing, offering durability and reliability for commercial and residential applications.

Key Features:

✅ Adjustable Closing & Latching Speed – Closing speed adjustable from 180° to 20°, latching speed from 20° to 0°.

✅ Supports Large & Heavy Doors – Ideal for doors 1000-1600mm wide and weighing 80-110kg.

✅ Corrosion-Resistant Build – Made with spray-coated plastic cement and a rocker arm for long-lasting durability.

✅ Leak-Proof Hydraulic System – Precision-sealed oil tank prevents leakage, ensuring smooth operation.

✅ Durable Alloy Construction – High-quality aluminum alloy body with three-layer anti-oxidation coating for extended lifespan.

✅ Dual Hydraulic Mechanism – Independently controls door closing speed, latching speed, and hydraulic pressure for precision.

✅ High-Strength Steel Gears – High-carbon steel gears and racks treated with high-frequency processing for enhanced durability.

Installation & Usage Precautions:

⚠️ Do not turn the gear shaft beyond 180° to prevent damage.

⚠️ If set to 180° using the arm, the door will remain open. Ensure it returns to its original position to maintain functionality.

⚠️ The door closer has an automatic closing function – avoid pulling the door manually to prevent damage.

Perfect for:

🏢 Offices, Commercial Spaces, Industrial Buildings, and Residential Homes – Ensuring smooth door operation and long-lasting performance! 🚪