Industrial Electric Overhead Steel Insulated Roll up Sectional Garage Door for Warehouse or Freezer
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Product Highlights
- Superior Thermal Insulation: Double-layer PIR sandwich panels with 40-75mm thickness for excellent heat retention.
- High Wind Resistance: Back reinforcement panels withstand Beaufort scale 10-12 (28-35m/s) wind speeds.
- Comprehensive Safety Features: Includes finger-safe panels, anti-fall devices, and bottom airbag sensors for human protection.
- Customizable Dimensions: Max size up to W12000mm*H8000mm with RAL color options available.
- Fast Spare Parts Delivery: Spare parts shipped via DHL, UPS, or TNT within 24 hours.
- Flexible Installation Methods: Customized for factory situations with optional vision panels and swing doors.
- Low Maintenance Design: Torsion spring balance system reduces motor power usage and extends working life.
- Certified Quality Standards: ISO9001 and CE certified with B1 fire-rated PIR foam meeting international standards.
Product Attributes
- Customization
- Available
- Opening Mode
- Electric
- Max Size
- W12000mm*H8000mm
- Model NO.
- LESHO-Sectional
- Power Supply
- 1-Phase 220V or 3 Phase 380V, 50/60Hz
- Panel Thickness
- 40, 50, 75mm
- Structure Materia;
- Galvanized Steel, Aluminum Alloy
- Color Customize
- Ral Color Available
- Working Temperature
- -35 to 65 Celsius Degree
- Protection Class
- IP55
- Feartures
- Thermal Insulation
- Function
- Burglar Proof
- Material
- Aluminum Alloy
- Type
- Rolling
- Open Style
- Rolling
- Opening Type
- Induced
- Special Function
- Security
- Certification
- ISO9001, CE
- Position
- Industrial
- Surface Finishing
- Finished
- After-sales Service
- Spare Parts by DHL
- Warranty
- 1 Year
- Color
- Ral Color Available
- Transport Package
- Wooden Package
- Specification
- PVC Fabric
- Trademark
- LESHO
- Origin
- China
- HS Code
- 8530800000
- Production Capacity
- 5000sets/Year
- Package Size
- 300.00cm * 80.00cm * 80.00cm
- Package Gross Weight
- 500.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Industrial Electric Overhead Steel Insulated Roll up Sectional Garage Door for Warehouse or Freezer
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Product Description
Industrial Sectional Overhead Door
(Normal type,Wind resistant type ,Freezer type)
What you will get :
Application:
Industrial Sectional Overhead Door Widely used in various industrial occasions because of their scientific torsion spring balance system and multiple safety devices. Its double-layer PIR sandwich door panel gives it excellent thermal insulation, wind resistance, and flame-retardant and fire-retardant properties. Therefore, sliding doors are widely used in factories, logistics loading and unloading areas, medicine, food, electronics, printing and other workshops and areas that require high indoor environmental temperature cleanliness.
Techincial Data :
| Application location | both interior and exterior |
| Power supply: | 1-phase 220±10%V,50/60HZ, or3-phase 380±10%V,50/60HZ |
| Protection of Electric: | IP 54. |
| Max Dimension: | Anti-wind door panel with back reinforcement W11.4*H4.5m. |
| Max Dimension: | Normal panel,W8000*H8000mm. |
| Running Speed : | 0.3m/s |
| Thermal insulation: | 40mm Normal panel 0.51 W/ (m2·K).50mm thermal type0.4W/ (m2·K). 75mm Thermal Panel 0.30 W/ (m2·K). |
| Whole Door Thermal insulation: | 40mm Normal panel 5000*5000mm ,1.0W/ (m2·K). 75mm Thermal Panel 5000*5000mm,0.55W/ (m2·K). |
| Wind resistant: | Beaufort scale 10-12(28m/s-35m/s) |
| Water tight: | 70 Pa no leak, Door width ≥ 8m. |
| Air tightness: | 0.4-2.5m³/*h. Under the 50 Pa pressure. Door width ≥ 4m. |
| PU Foaming density: | 45kg/m³ |
| Fire Rated PU Foam: | B1 |
| Sound Insulation: | R= 24 dB |
CAD Drawing :
Accurate shop drawing to show the door dimension clearly, make sure there is no misunderstanding of the door size .
Normal finger protective panel :
Double layer PPGI,inside fill with high density PIR Foam.(45kg/m³), the 75mm door panel R can reach 0.30 W/ (m2·K).
The Fire rated PIR Foam flame retardant grade :GB8624 B1, EU standard NF-P92-503, Germany standard M2 DIN 4120 B1.
Double layer 0.4+0.4mm PPGI, inside fill with high density PU Foam,with excellent structure strength .Wind resistant :Beautiful scale 11,28m/s.
Especially our Back Rib panel ,its special used for the big door opening size within W11.4*H4.5m.Even under this door opening size .its also with excellent wind resistant .
Benefit for the balance system ,the door was close and open by a small power ,so the motor bear a little power ,the working life is greatly improved ,and low maintenance.
Intelligent.
The running speed can reach 0.3m/s ,and the various operation way will make the door more intelligent ,and improve the transport and production greatly.
Control Options:
Push Button.
Remote Control.
Radar and infrared motion sensors.
Inductive Loop detection (detects vehicles same as traffic lights).
Interlocking with other doors (allows only one door to be open at a time for hygiene control).
Automatic-manual operation mode:
When power is off or faulty,it can be turned on or off by manually operating the chain.The balanced torsion spring system counteracts most of the tension at the opening. It can be opened with a little force by hand or easily opened with a hand chain
Excellent safety performance.
Finger Safe door panel. People will never be hurt by the finger safe panel .
Anti-fall device. Even the steel wire rope break by accident ,the door will not fall down . The door will be stuck by this device,and keep human safety.
Torsion spring anti-breaking device. Even the spring break by accident ,the door will also not fall down.
Bottom airbag. When the door bottom touch something or human ,it will revert back to open,will protect the human and the door safe .
Variety of flexible installation methods, we can all be customized for your factory situation .
Vision panel,better lighting and convenient for observed.
Small swing personal door:are available (fitted to allow foot traffic access while the door is closed), maximizing energy efficiency and savings.
Wind resistant type, for big door opening size .
75mm thick below 0ºC
Thermal insulation type,for freezer room 0ºC--20 ºC.
Our Certification :
Our Exhibition :

FAQ
Q Why choose us ?
A:
- Most cost effective products (Best Bulk Price with stable quality.)
- Professional Technical sales support pre sale work also the after sale work.
- More than 20 years experience on the production and customization ,
- More than 10 years export experience ,reasonable shipment arrangement,and fast delivery ,save time is save money
Q How can we get start the first?
A. We only need your basic background information and the project site information.If there are drawings to show your factory site plan will be best.
We can provide whole set completely solution for you based on these information .
Q What about the installation?
A For all of our products ,we will provide the clearly installation manual and video ,also make description installation precautions documents ,make sure even you do not have experienced workers, you can also install the door by your own worker.For the complex big project ,we will send our engineer to site guide for the installation.
Q Which kinds of payment you accept?
A We usually accept T/T in advance, L/C for large sum, West Union, etc. If you prefer other payments terms, please feel free to contact us .Q How long is the lead time ?
A 7-10 days for production ......
Q How about the factory tour ?
A We are very welcome for your visit .We have office ,showroom ,and warehouse in Shanghai ,Our own factory is in Zhengzhou City,Henan Province .We also have more than 80+ partner factory In Wuxi,Suzhou,Changzhou and so on .
Q How about the after sale service?
A Spare parts will be delivery out within 24 hours by DHL ,UPS ,TNT and so on .
Q Can we become your agent ?
A Yes ,we are very welcome new partners ,but we have to check if there is already have partners in your local area .
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI249942". Items marked "" are certified.
Company Profile
Lesho is a Modern Intelligent Industrial door manufacturer in China with 28 years experience, committed to providing different industry background customers with complete customized Entrance Solutions in clean room areas, low temperature refrigeration areas, and loading bay areas.
Our product range include: High Speed Roller Shutter Door, High Speed Spiral Door, Clean Room Zipper High Speed Door, clean room door Steel Door, clean room Sliding door, cold room Sliding door, Sectional garage door, logistic Equipment, dock leveler, dock shelter and Big Hangar door series.
Our solutions cover the food and pharmaceutical, electronic, textile, chemical, machinery manufacturing, automobile manufacturing, modern agriculture, logistics cold chain storage industry, etc.
We can provide all in one solution for all kinds of application, with extremely reasonable prices and high quality products that offer users an excellent performance and durability.
Not only pre sale, our after sales service, installation guide service, and spare parts stock and supply solution also save a lot of cost for customer during the products working life. We take care of the customer experience about our products and experience.
We always think about customer concern, and take care of their concern and create value for customer.
Now Lesho has become the designated supplier of many world top 500 and domestic well-known enterprises. Our customers include Siemens, ABB, Nestle, IKEA, BMW, Coca-Cola, FED EXPRESS, Midea, 3M and so on.
Based on product quality and customer service, we have develop our customer in so many overseas country. Now, we have customer in USA, Canada, Australia, New Zealand, Sinapore, Malaysia, Indonisia, Southeast, Middle East, Central American, South American and so on.
About Our Factory & Business Background
- Address
- No. 168 Gangwang Village, Zhengzhou Airport Economic Comprehensive Experimental Zone
- Terms of Payment
- LC, T/T, PayPal, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, Others, FCA
- Average Lead Time
- Peak Season Lead Time, within 15 workdays, Off Season Lead Time, within 15 workdays
- Nearest Port
- Shanghai,Qingdao
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2020-03-02
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Mid East, Eastern Asia
FAQ
- Why choose us?
- Most cost effective products (Best Bulk Price with stable quality.) Professional Technical sales support pre sale work also the after sale work. More than 20 years experience on the production and customization , More than 10 years export experience ,reasonable shipment arrangement,and fast delivery ,save time is save money
- How can we get start the first?
- We only need your basic background information and the project site information. If there are drawings to show your factory site plan will be best. We can provide whole set completely solution for you based on these information .
- What about the installation?
- For all of our products ,we will provide the clearly installation manual and video ,also make description installation precautions documents ,make sure even you do not have experienced workers, you can also install the door by your own worker. For the complex big project ,we will send our engineer to site guide for the installation.
- Which kinds of payment you accept?
- We usually accept T/T in advance, L/C for large sum, West Union, etc. If you prefer other payments terms, please feel free to contact us .
- How long is the lead time ?
- 7-10 days for production
- What about the factory tour ?
- We are very welcome for your visit .We have office ,showroom ,and warehouse in Shanghai ,Our own factory is in Zhengzhou City,Henan Province .We also have more than 80+ partner factory In Wuxi,Suzhou,Changzhou and so on .
- What about the after sale service?
- Spare parts will be delivery out within 24 hours by DHL ,UPS ,TNT and so on .
- Can we become your agent ?
- Yes ,we are very welcome new partners ,but we have to check if there is already have partners in your local area .
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