Name: Emergency Manual-Operation Industrial Sectional Overhead Door with Wind Resistance Level 7-8 and 24dB Sound Insulation
Brand: Changzhou YOHO Industrial Door Co., Ltd.
SKU: Sectional Overhead Door
Price: negotiable USD
Availability: InStock

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Emergency Manual-Operation Industrial Sectional Overhead Door with Wind Resistance Level 7-8 and 24dB Sound Insulation

Emergency Manual Operation

Power Failure Door Access

Manual Release Sectional Door

Place of Origin:

China

Brand Name:

YOHO

Certification:

ISO 9001/CE

Model Number:

Sectional Overhead Door

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Product Details

Product Name:

Sectional Overhead Door

Emergency Operation:

Manual Chain Hoist (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

Sound Insulation:

24dB

Application:

High-Occupancy Warehouse Safety

Highlight:

Emergency Manual Operation

Power Failure Door Access

Manual Release Sectional Door

Payment & Shipping Terms

Minimum Order Quantity

1 Unit

Price

Negotiable

Packaging Details

Plywood case

Delivery Time

10-15 Days

Payment Terms

T/T

Supply Ability

300 Units per Month

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86--18021983369

yohao260105@gmail.com

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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.

Tags：

Emergency Manual-Operation Industrial Sectional Overhead Door with Wind Resistance Level 7-8 and 24dB Sound Insulation

Emergency Manual Operation

Power Failure Door Access

Manual Release Sectional Door

Emergency Manual Operation

Power Failure Door Access

Manual Release Sectional Door

Flexible Lift Configuration Industrial Sectional Overhead Door for Low-Headroom Building Openings with 24dB Sound Insulation

Anti-Drop Protection Industrial Sectional Overhead Door with Wire-Rope Anti-Break and Spring Anti-Broken Devices

Anti-Drop Protection Industrial Sectional Overhead Door with Wind Resistance Level 7-8 and 24dB Sound Insulation

Anti-Pinch Anti-Drop Quiet Operation Industrial Sectional Overhead Door for Safety Facility Entrances

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