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Four Hours Rating Rolling Steel Fire Door / Gray Fire Rated Roller Shutter

Good quality Insulated Fire Door for sales
Good quality Insulated Fire Door for sales
Suggestion of Zhongwo Fire Door is very professional. I got their reply for the first time within 5 hours. Very efficient!

—— Martin

I made a inquiry for them, and got feedback within 30 mins, so fast! And the receptionist is very considerate and professional, gave me very practical and useful suggestions! Thank you!

—— Catherine

Wonderful service by Zhongwo! And the price of them is very competitive for me who only has limited amount of money to buy motel fire doors.

—— Brittain

The fire doors are all in good quality and thank you for the professional installation suggestions!

—— Kagalwala

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Four Hours Rating Rolling Steel Fire Door / Gray Fire Rated Roller Shutter

China Four Hours Rating Rolling Steel Fire Door / Gray Fire Rated Roller Shutter supplier

Large Image :  Four Hours Rating Rolling Steel Fire Door / Gray Fire Rated Roller Shutter

Product Details:

Place of Origin: CHINA
Brand Name: ZHONGWO
Certification: 3C, ISO9001:2008
Model Number: ZW-JL11

Payment & Shipping Terms:

Minimum Order Quantity: 1 set
Price: negotiable
Packaging Details: Inside Bubble Bags+ Strong Carton+Wooden Frame
Delivery Time: 35 Days After Payment Received
Payment Terms: western union, moneygram,cash, l/c, t/t
Supply Ability: 600 Sets per Day
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Detailed Product Description
Material: Inorganic Fiber Composite Cloth Fire Resistance Duration:: 4H
Smoke Leakage: 0.05m3/(m2.min) Reel Deflection: 1/2059(Standard:<1/400)
Height Difference Between Two Curtain Surfaces: 8mm(≦50mm) Heat Insulation: 52℃(Average Temperature Rise On The Back Surface:≦140℃ )

Super-grade Double-track Fire Roller Shutter Made of Inorganic Cloth


The super-grade fire shutter adopts a double-track structure, and the transmission mechanism uses a roller shutter to drive two parallel reels to take off and land at the same time, and a certain air insulation layer is left between the two curtains. The curtain surface is made of aluminum silicate fiber cloth and coated with a rubber layer with enhanced fire resistance. On the surface it is covered with a thermal radiation cloth. The interior is filled with aluminum silicate fiber blanket to enhance the thermal insulation performance. The refractory time of the roller shutter is more than 4 hours. The average surface temperature rise is less than 55.6 degrees, and the single point maximum temperature rise is below 63.6 degrees. Fire roller blinds have the functions of hand, electric control, linkage control, automatic lowering, etc., and can choose a variety of colorful decorative clothes according to user requirements, which provides convenience for Integration into the environment.


Technical performance:

The fire resistance duration is longer than 4 hours, the highest single point temperature of the backfire surface is 63.5 degrees Celsius, and the average temperature of the backfire surface is 55.6 degrees Celsius. Wind pressure resistance meets the requirements of GB14102-2005;


Opening and closing speed: 2m-7.5m/min.



Low operating noise;

Great Reduction of The Project Cost Thanks To Removal of Water Curtains;

Good appearance decoration effect and Convenient Construction.

Contact Details
Henan Zhongwo Fire Science and Technology Co., Ltd

Contact Person: admin

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