Steel Fire Roller Shutter Door
| Drive device | Fire-Rated Motor | Control Method | Manual Push-Button / Fire Alarm Interlock |
| Speed | 0.1m/s（max） | Safety Devices | Thermal Release Device / Smoke & Temperature Detector (optional) |
| Track Material | 1.5~2.0mm galvalume steel sheet / 3.0mm galvanized steel sheet / 1.5mm~3.0mm stainless steel sheet | Fire Resistance Limit | ≥ 240 min |
| Slat Material | 18mm composite steel slat |
Split box design
Save installation space, three-dimensional appearance, easy maintenance.
Automatic deviation rectifying system for anti-cross slice
Self-adjustment, avoid friction between track and door plate, more quiet.
IIC explosion-proof certification
Cover IIA, IIB application scenarios, can reach the gas explosion-proof level.
Weldless process
Weld-free pre-opening design, connecting combination by bolt bolting, quick and convenient installation.
Our Newhb Rolling Door Co., Ltd. is the source manufacturer of rolling shutter doors. The company has more than 30 modern operating machines, including automatic door roll forming machines, laser cutting machines, bending forming machines, and shears. There are dozens of technical R&D teams, 31 utility model patents and invention patents. Welcome new and old customers to visit and guide us.
We have an explosion-proof certificate issued by the Explosion-proof Electrical Institute of the National Explosion-proof Electrical Product Quality Supervision and Inspection Center. Different from the electrical explosion-proof on the market, we can provide an explosion-proof certificate for the entire door. The explosion-proof technology of the whole door is more mature and safer.
Class II electrical equipment is classified into A, B and C according to the minimum spark energy of explosive gases. The representative gas IIA is propane, the representative gas IIB is ethylene, and the representative gas IIC is hydrogen, of which IIC is the highest grade and can be used in the service conditions of IIB and IIA equipment. T4 indicates that the maximum surface temperature of the equipment does not exceed 135 ° C. The choice of explosion-proof grade is mainly based on the use of the scene to distinguish, our company for gas, dust, dangerous chemicals and other flammable and explosive site design are quite research, according to the use of different scenes demand, can provide the overall solution.
Explosion proof rolling doors are special doors. Special doors refer to doors with special functions, such as fire doors, explosion-proof doors, anti-wind doors, thermal insulation doors, soundproof doors, etc. All doors with special functions are considered special doors. Buy special doors and find Newhb.
Newhb Rolling Door Co.,Ltd based on the rolling shutter industry for 20 years, has been focusing on the production and research and development of special rolling shutter doors, Explosion proof rolling doors since the listing, reputation, He has participated in the construction of Explosion proof rolling doors for China Aerospace Huilai Space Vehicle Test Center, Changshu Yonghe Fine Chemicals (dust explosion-proof), Huai 'an Xiangyun Xusheng Chemical (dangerous chemicals), SAIC Volkswagen Automobile (natural gas), and Anxin Flow. He has rich experience in the industry. Welcome to visit our company on the spot.
