Emergency Manual-Operation Industrial Sectional Overhead Door with Wind Resistance Level 7-8 and 24dB Sound Insulation
Price:
Negotiable
MOQ:
1 Unit
Delivery Time:
10-15 Days
Brand:
YOHO
Product Description
Emergency Manual-Operation Industrial Sectional Overhead Door For High-Occupancy Warehouse Safety
An Emergency Manual-Operation Industrial Sectional Overhead Door is designed for high-occupancy warehouses where safe access must never be blocked. If a power failure or motor malfunction occurs, the door can be manually opened to keep evacuation and emergency routes available.
Safe Access for Busy Warehouses
In busy warehouses, keeping entrances operational is a safety priority. The emergency manual operation system allows staff to open the door by hand when power is interrupted, maintaining access for people and emergency services. The balanced spring system makes manual opening quick and low-effort for a single operator.
Key Advantages
- Manual Opening During Outages: The door can be opened by hand during a power failure or motor fault to keep emergency access clear.
- Low-Effort Hand Operation: Torsion-spring counterbalancing limits the manual opening force to around 140N, so one person can manage it.
- Safe Emergency Egress: Reliable manual operation supports evacuation and emergency response in high-occupancy buildings.
- Durable and Insulated: Reinforced insulated panels deliver dependable everyday performance alongside the emergency function.
Product Specifications
| Emergency Operation | Manual chain hoist for power failure or motor malfunction |
| Manual Opening Force | Approx. 140N |
| Balance System | Torsion spring with anti-broken device |
| Panel Material | SUS 304 Stainless Steel / Color-Coated Steel Plate |
| Panel Thickness | 40mm / 50mm / 80mm |
| Wind Resistance | Level 7-8 |
| Speed | 0.2-0.4m/s |
| Torsion Spring Life | 30,000+ cycles |
| Sound Insulation | 24dB |
| Power Supply | 380V 50Hz / 220V 50Hz |
| Operating | Automatic with manual chain hoist backup |
Typical Applications
- High-occupancy warehouses
- Facilities with strict emergency egress needs
- Busy distribution and sorting centers
- Buildings requiring reliable manual access
- Sites with safety as the top priority
Frequently Asked Questions
Can the door be opened without power?
Yes. During a power failure or motor malfunction, the door can be opened manually via the chain hoist.
Is manual opening physically demanding?
No. The spring balance keeps the manual opening force to around 140N for easy one-person operation.
Which panel materials and thicknesses are available?
Panels are offered in SUS 304 stainless steel or color-coated steel plate, with 40mm, 50mm, or 80mm thickness options.
Does this support emergency evacuation?
Yes. The manual operation helps keep emergency and evacuation routes available at all times.
We provide technical consultation, OEM services, and bulk order solutions for emergency manual-operation industrial sectional overhead doors for high-occupancy warehouse safety.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Changzhou YOHO Industrial Door Co., Ltd.
Location
Beihua Huashan Science and Technology Park, Xinbei District, Changzhou City, Jiangsu Province
Contact Person
Helen