Fire door prices, Xi'an Forsafe fire doors (certified), Xi'an fire doors

Fire shutter doors are fire doors on the basis of steel shutter on, will be transformed transmission components, together with the fire appliances and other equipment, in order to achieve fire resistance: Fire Motor fireproof electrical control box controlled by the transmission driving the reel so that shutter doors from closing Class A fire doors, power outages can also be used to manually crank the fire on the motor can be achieved manually. Mechanical relative movement at the coupling instead of using sprocket B fire doors, rail friction inlaid copper or nylon. Ideal for use or storage of flammable gas, and other volatile chemicals and other items with high pyrophoric factories and warehouses or may occur fire explosion hazardous environments. Xi'an detection methods on quality steel fire doors, steel fire doors focuses on the detection of raw materials, the thickness of the door leaf, fire-resistant glass, automatic shutdown, signal feedback and other issues, the following eleven expand elaborate. Raw material problem: the actual use of raw materials and design or detection of the material does not match. Instead of using thin slabs as steel, cold-rolled instead of galvanizing, fire insulation materials are not filled, or cardboard, aluminum silicate fiber cotton or wool instead of filling dissatisfaction, shoddy, to reduce their production costs. Check the focus on the control of information in the inspection report content technical requirements, the filler: One way is to beat listen to the sound test method, the sound muffled showed the door, with a filler wood fire doors within doors, the more boring the more reality shows that fill ; Another method is to check the gap method, check from the door frame at each hole of doors (hinge hole, keyhole, bolt hole, door closers order fixing holes up and down holes, drilled holes, etc.), at present, armor on the market, B fire doors with a filling of white aluminum silicate fiber cotton (density different grade of 200kg / m3 or more, B is 160kg / m3 and above), with Class C of yellow wool. Fire door prices, Xi'an Forsafe fire doors (certified), Xi'an fire doors provided by the Xi'an Fu Fire Equipment Co., Ltd. Xi'an Fu Fire Equipment Co., Ltd. (www.dabaidu.com.cn) (www.dabaidu.com.cn) is Xi'an, other leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Fire doors in Xi'an Forsafe leadership with the staff warmly welcome all inquiries negotiations to create Xi'an Forsafe fire doors better future.