high quality fire rated sectional overhead doors

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50 pc
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3000 pc/month

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Product Description:

 1.Sectional Industrial Doors Techncal Data


Door description
  Technical data
Door PanelsPanel StyleFinger protection 40mm thickness & non finger protection 40mm/50mm thickness door panels

Panel Construction and thicknessSteel+PU foam+Steel, 40mm/50mm thickness

Panel ColorWhite, silver gray,dark gray

Panel Surface StyleFlat stucco, Flat woodgrain/ Line stucco, Line woodgrain/ Square stucco,Square woodgrain/ Micrograin

Panel Steel thickness0.326mm/0.35mm/0.4mm/0.5mm, Panel Steel PE Paint thickness is 25um
Door HardwaresTracks style and thickness2" &3" tracks, 2.0mm thickness

Track cover(2.5mm thickness)Injury of the finger caused by the movements of rollers in vertical tracks will be effectively prevented by the track cover. It will seal the space between the wall and the vertical tracks so the finger can not be inserted in.

Track and track cover,Hinges,brackets surface finishBright Zinc Galvanized

Hinges/roller brackets & Bearing brackets thickness2.5mm

Steel Rollers2"*4, 2"*7, 3"*4, 3"*7 steel rollers

Top/bottom weather sealsAluminum stretches, and EPDM rubber seals
Safety systemSpring break safety bracketsIf spring broke , the spring break safe device will stop the door's falling to protect the people, kids or other things who is passing the door

Cable break safety systemIf cable break, the system will stuck on tracks then prevent the door from droping.

Air safety bottomthe door will rebounce back if it meet obstacle during closing.
Door MotorMotor styleAxle industrial motor

Manual chainopen or close the door if power off manually

Motor Voltage380V or 220V

Motor remote controls2 or more

Motor sensor (Optional)available


 2.Sectional Industrial doors Lift styles


Vertical Lift: if door opening Height H>= Door headroom distance h, then choose vertical lift

High Lift: Door headroom distance h>1m, but h<H door opening height

Standard lift: Door headroom distance h<1m< span="">


3.Sectional Industrial doors Hardwares


Safety System:

(1) Cable Break Safety Brackets: This bracket will hold the track and prevent the door from dropping immedirectly if the cable broke.

(2) Spring Break Safety Brackets: The bracket will hold the solid shaft and prevent the door droping if spring broke.

(3) Safety Edge: If the door meets obstacle druing its closing, the door will stop and go up directly, then protect the people or material from damage.

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Q:According to the national standard fireproof door in front of the steel how thick, how thick the back
According to the national standard fire security door steel plate, anti-theft door door plate steel plate thickness shall not be less than 2 mm; use the destruction tool in the security door to break a 615 square centimeter hole, time can not be less than 15 minutes. Equipped with anti-theft lock, in a certain period of time can resist under certain conditions, non-normal open, with a certain degree of security performance and meet the appropriate level of security security door. The security door is called "security door". It combines both anti-theft and safe performance. In accordance with the "anti-theft security door general technical conditions" provides that qualified security door in 15 minutes using chisels, screwdrivers, crowbars and other ordinary hand tools and hand drill and other portable power tools can not pry open or in the door to open a 615 square millimeters Open, or open a 38 mm square opening in the semicircle with a locking point of 150 square millimeters. And anti-theft door on the use of the lock must be detected by the Ministry of Public Security testing with anti-drilling function of the anti-theft door dedicated lock. Anti-theft doors can be made of different materials, but only to achieve the standard test qualified, to receive security products to ensure that the door can be called security door.
Q:Class A anti-theft fire door standard is what
The anti-theft door level is the anti-damage time is greater than the set helmet lodging school shoots the rhinoceros basket or is equal to 30 minutes. Fire doors Class A Class A Fire resistance time 1.5 hours. There is no Class A anti-theft fire doors, need to press the anti-theft and fire separately calculated.
Q:How to determine the security door is good or bad
I will give you a way to judge the soil, good doors are more heavy. Believe i'm not wrong
Q:Is it easy to lock the door lock
Looking for the door frame slot where there is C logo? A to E are genuine. No you understand ,,,,,
Q:Which anti-theft door is particularly strong, home anti-thief.
Anti-theft doors are very strong, but you have to pay attention to the security door and safety raft anger Wo to drums over the state of the difference between the card, security doors have to go through the national quality acceptance, the brand can, security door is not,
Q:Corridor security door how much money
800 per square meter, you can count about.
Q:How to do the security key in the lock?
Cross lock The lock was removed, took out the tongue. The rod of the tongue and the head of the place where there are generally gaps. Turn the pole and the keyhole will follow. Take a paper clip off straight, inserted from the gap in the lock bar, you can top to the broken key. You turn the bar, when you go to the usual point of pulling the key, broken key head was ejected. Original, Fu Dian Dian twisted thieves lost thieves lost Lou hand to fight, coal.
Q:My home security door abc3 kinds of keys,
Feel insecure, in the other lock it. Not expensive in more than 100 yuan, buy a peace of mind
Q:What are the top ten brands of China's security door?
1 Panpan anti-theft door 2 Wang Li security door 3 million plus anti-theft door 4 step Yang anti-theft door 5 Sophie security door 6 rich new security door 7 spring security door 8 gold security door 9 group security door 10 Wangjia Le security door This is the latest ranking in 2011
Q:What is the difference between a roll gate and a shutter door?
Rolling shutter doors are generally used to do cloth or leather to do the soft curtain, roll gate is metal, aluminum and other electric devices with the door, but the basic difference

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