Cold room industrial sectional overhead door
Product Introduction:
Cold Room Industrial Sectional Overhead Doors are designed for cold storage facilities, warehouses, factories, and industrial buildings requiring excellent insulation, durability, and safe operation.
The door panel is constructed with double-layer hot-dip galvanized steel sheets with polyester surface treatment and filled with high-density polyurethane (PU) insulation core, providing excellent thermal insulation, dust resistance, and wind protection.
With a strong lifting system, reliable sealing structure, and advanced safety protection, these doors are suitable for frequent operation in demanding industrial and cold storage environments.
PRODUCT DESCRIPTION
Key Features
High-Performance Insulated Door Panel
· Double-layer hot-dip galvanized steel sheet construction
· Polyester surface coating for durability and corrosion resistance
· PU foam insulation core
· Door panel thickness: 40 mm/60mm/80mm
· Excellent heat insulation, dust-proof, and windproof performance
Durable Track & Balance System
· 2.0 mm hot-dip galvanized steel track
· Strong and corrosion-resistant structure
· External torsion spring balance system
· Automatic balance system lifespan: up to 100,000 cycles
· Stable operation with low maintenance requirements
Excellent Sealing Performance
The door uses a multi-layer sealing system to improve insulation and protection.
Features:
· Inner and outer sealing strips
· Box-type edge sealing design
· Frost protection and dust prevention
· Reduces heat loss
· Prevents wind, rain, and moisture penetration
Reliable Safety Protection
The sectional overhead door is equipped with multiple safety features:
· Anti-cable break protection device
· Chain-driven torsion spring balance system
· Low failure rate compared with traditional wire rope systems
· Anti-jamming air sensor
· Automatic rebound function when encountering obstacles
· Protects vehicles and personnel during closing
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