Home / Manufacturer Category / Mechanical Equipment / General Machinery

Top 10 Fire Damper Brand & Manufacturers

This section provides a list of the top 10 Fire Damper manufacturers, Website links, company profile, locations is provided for each company. Also provides a detailed product description of the Fire Damper, including product introduction, history, purpose, principle, characteristics, types, usage and purchase precautions, etc.

Manufacturers （Ranking in no particular order）

: Zhejiang Shangfeng High-tech Special Fan Industry Co., Ltd.

Address: No. 1818, Renmin West Road, Dongguan Street, Shangyu District, Shaoxing City, Zhejiang Province

Company website: http://www.sz-gf.com.cn/

Company Overview

Shangzhuan Co., Ltd. was spun off from Shenzhen Main Board listed company Yingfeng Environment (000967.SZ) and its main business is the research and development, design, production and sales of ventilation system equipment, mainly including fan equipment, ventilation system supporting equipment, air conditioning equipment, etc. Shangzhuan Co., Ltd. was founded in 2004 and is located in the High-tech Industrial Park of Shangyu Economic and Technological Development Zone, Zhejiang Province. Shangzhuan Co., Ltd. has become a leading enterprise in the domestic fan industry, maintaining a good market share in nuclear power, rail transit, industrial and civil engineering, etc., and vigorously entering the fields of industrial fans and supporting software. The company has achieved rapid growth for many consecutive years. The company has two major brands, Shangfeng and Zhuanfeng, and mainly develops, produces and sells various axial flow fans, centrifugal fans, cabinet fans, oblique mixed flow fans, subway tunnel fans, magnetic levitation blowers, single-stage high-speed blowers, multi-stage centrifugal blowers, cooling tower special fans, combined air conditioning boxes, fresh air units, fan coils, air conditioning boxes, various cooling towers and related supporting tuyere, air valves, smoke exhaust valves, fire dampers, electric control boxes, various impedance mufflers, industrial mufflers, sound insulation covers, sound barriers, HVAC system equipment integration, in-depth design of mufflers, energy-saving fans and system transformation, waste heat and waste pressure power generation system integration, fan and dynamic equipment full life cycle management system integration, marine winches, cranes, anchor winches and other high-tech products. The company has a registered capital of more than 100 million yuan, covers an area of more than 100,000 square meters, has more than 800 employees, complete production equipment, good process flow, and perfect inspection methods. After the completion of the merger and reorganization, the company has further improved its R&D capabilities, production capabilities, management capabilities, and sales capabilities, and has become a company with a priority market share in the three major sub-segments of the fan industry, namely the nuclear power field, rail transit field, and industrial and civil construction field. At the same time, it has vigorously entered the field of environmental protection, marine military products, etc. In the field of nuclear power, the company is a manufacturer that has entered the field of nuclear power ventilation earlier, and is one of the companies that have obtained the nuclear-grade fan design and manufacturing license issued by the Nuclear Safety Administration earlier. It has rich experience in supplying nuclear power ventilation system equipment. In the field of rail transportation, the company has developed large-flow, high-pressure, high-efficiency, and low-noise subway ventilation and air handling equipment in China with the help of CFD (Computer Fluid Dynamics), which has reduced the volume and weight while improving the operating efficiency of the equipment, and has completely replaced imports, changing the situation of ventilation and air handling equipment relying on imports. Up to now, the company has undertaken more than 98 domestic and foreign rail transportation projects, and its products are widely used in domestic and foreign subway lines such as Beijing Metro Line, Hangzhou Metro Line, and Guangzhou Metro Line. In the field of civil construction, the company is committed to researching "high-efficiency, low-energy consumption, and low-noise" ventilation equipment, and constantly launching new products to seize the market. Up to now, the company has a high market share in the field of industrial and civil construction, and has won bids and applied to the main venue of the Olympic Games, the Bird's Nest, the Olympic Water Cube, and the Hangzhou G20 Main Hall. In the field of industrial construction, the company's products cover the fields of chemical industry, electricity, copper and iron, building materials, and environmental protection grades. Relying on strong independent research and development capabilities and internationally advanced fluid dynamics technology, it has become a high-quality supplier of domestic large-scale petrochemical, coal chemical, building materials, large-scale power generation, and tens of millions of tons of green and silver iron pipe slopes.

: Shandong Jinguang Group Co., Ltd.

Address: Jinguang Industrial Park, East of Dongfanghong Road, Economic Development Zone, Dezhou City, Shandong Province

Company website: http://www.kinflare.com.cn/

Company Overview

Shandong Sinar Mas Group Co., Ltd. is located in the vibrant Dezhou Economic Development Zone, Shandong Province. It is a modern high-tech enterprise park dedicated to the engineering design, development, manufacturing, sales, installation and technical services of new materials and central air-conditioning systems. It integrates technology, nature, humanities and ecological environment in one park, with beautiful environment and convenient transportation. Sinar Mas Group was founded in September 1970 and has established two major production bases in Dezhou and Wucheng, covering an area of 500,000 square meters, with total assets of 1 billion yuan and more than 2,600 employees. The two major production bases of Sinar Mas Group share resources and complement each other. They not only have advanced production equipment and technical level in the field of new materials and central air-conditioning, superb product quality and performance, but also have reasonable product performance-price ratio, high-quality customer service and support guarantee. It is a global new material and central air-conditioning system service provider. Among the more than 2,600 employees of Sinar Mas Group, 35% are engineering and technical personnel, including 12 professor-level senior engineers, 130 senior engineers, and 680 intermediate professional titles. The Jinguan Group employs talents with both integrity and ability to fill different positions such as scientific research, development, design, manufacturing, and sales at high salaries, so that they can show their abilities and give full play to their wisdom, injecting vigor and vitality into the development of the Jinguan Group. The Jinguan Group has established the business philosophy of "customer satisfaction as the direction, product quality as life, scientific and technological progress as the driving force, and market demand as the pursuit". It has established a large-scale scientific research team and created more than 20 functional departments such as management center, sales center, technology development center, production center, product display center, after-sales service center, quality inspection center, and market information center, which have effectively guaranteed the healthy development of the enterprise. The company has invested heavily in purchasing office automation equipment, and has achieved networking and modernization from product design, manufacturing, inspection, installation and after-sales service, which has enhanced the company's competitiveness. "If you want to do your job well, you must first sharpen your tools." Advanced equipment is the guarantee of high-quality products. In order to ensure the leading position of product processing and production technology, the Jinguan Group takes advanced and quality as the prerequisite for purchasing equipment with a discerning eye and a responsible attitude towards products and customers in the selection of production equipment. We have introduced advanced production lines from Germany, Japan, the United States, Switzerland, Italy, South Korea and other countries, and have performance testing systems, central air conditioning equipment testing centers, and fiberglass performance testing centers. They are controlled by software systems to eliminate all imperfections, inject a powerful booster into production, and ensure the double guarantee of quantity and quality of Jinguan products. First-class raw materials, first-class production equipment, first-class testing methods, first-class management, unique corporate culture and advanced corporate philosophy constitute the boutique model of Jinguan Group, providing users with high-quality products. The growing needs and expectations of customers are the driving force for Jinguan's development. As a global excellent new material and central air conditioning system service provider, Jinguan continues to launch products with modern concepts to meet customers' increasingly high requirements. With its strong R&D strength and professional manufacturing scale, Jinguan Group continues to innovate technology and products based on market changes. At present, it has four series and more than 20 product production lines, mainly including: water-cooled units, air-cooled units, variable frequency central air conditioners, ground source heat pump units, fan coils, air conditioners, cooling towers, SMC modular water tanks, molded products, J-MPF aluminum foil composite air ducts and other ventilation ducts, fireproof magnesium plates, FRP winding pipe tanks, GRC and GRP products, cable trays, highway guardrails, air conditioning accessories, various fans, purification equipment, laboratory equipment, electrical control equipment, textile air conditioning equipment and steel structure engineering, etc. Shandong Jinguan Group Co., Ltd. takes branding and internationalization as its goals, adheres to integrity as its foundation, and builds the reputation of the Jinguan brand. In the process of continuous brand creation, Jinguan Group has accumulated strong intangible assets, established a strong marketing network, and established more than 44 overseas offices in Beijing, Tianjin, Xi'an, etc. With strong brand awareness and reputation, it has opened up domestic and foreign markets, and its products have been sold to provinces and cities across the country and many countries in the world. While guiding the development trend of new materials and central air conditioning technology, it has set up wonderful examples of honest cooperation. And exported to the United States, South Korea, Greece, Australia, Egypt, Sri Lanka, the Netherlands, India, Sweden, Syria, Vietnam, Singapore, Cambodia, Myanmar, Kyrgyzstan and other countries. "Jinguan is by your side every moment" is the purpose of our company's after-sales service. In the after-sales service work, we constantly summarize experience, continuously improve service quality, continuously strengthen work efforts, and gradually form a set of high-quality and complete after-sales service system, which solves the user's worries and improves the credibility of product quality. Our services reach every corner of the country, and Jinguan users anywhere in the country can get thoughtful and meticulous services from Jinguan Group. The service scope includes pre-sales product technical support, assistance in design solutions, provision of equipment supply solutions, warranty services during the warranty period, spare parts supply, emergency repair services and equipment operation and maintenance. In order to better serve customers, Jinguan Group actively seizes development opportunities, advances in stability, innovates in advancement, and surpasses in innovation. Constantly inject more modern, more fashionable, more harmonious and international elements to shape the new image of Chinese enterprises! With a grandeur in the heart and infinite realm, Jinguan China shines on the world.

: Shanghai Yingda Air Conditioning Equipment Co., Ltd.

Address: No. 508, Zhudai Road, Jiading Industrial Zone, Jiading District, Shanghai

Company website: http://yingta-hvac.com

Company Overview

The Yingda brand owned by Shanghai Yingda Air Conditioning Equipment Co., Ltd. (hereinafter referred to as "Yingda") was founded in Taiwan Province in 1985. It is a listed company of the National Equities Exchange and Quotations (stock code: 870294) that provides purification and treatment system solutions for ventilation and air treatment systems, medical and semiconductor industry systems, new energy and rail transit systems, etc. It is a high-tech enterprise that mainly provides healthy, comfortable, energy-saving and environmentally friendly systematic solutions for industrial and civil buildings. Yingda is a practitioner of energy conservation and environmental protection, and a promoter of building high-quality "dual-carbon" new materials. Yingda, which settled in Jiading, Shanghai in 2001, has Jiangsu Yingda Electromechanical Technology Co., Ltd., Chengdu Ying'an Technology Co., Ltd., Shanghai Yingda Construction Engineering Co., Ltd., etc. It is a large-scale enterprise integrating R&D, marketing, and production services. Yingda's marketing network is spread all over the world, serving many countries and regions. Yingda is committed to the research of efficient energy-saving solutions and industrial Internet platforms. Adhering to the "three-in-one" concept of "demand" + "Internet service" + "system integration platform" solutions, Yingda breaks the traditional model and provides customers with a full range of healthy, comfortable and customized services. Yingda always takes customer needs as the center, and uses the Internet of Things, the Internet, intelligence, sensor technology and logistics big data to provide customized solutions for customers, so that customers can obtain considerable benefits and a good experience. In the future, Yingda will continue to adhere to the business philosophy of "practical, calm and steady", and continue to be committed to the company's transformation, innovation and sustainable development. By cultivating the employee belief of "mentality, character, responsibility, dedication, professionalism and innovation", the company will give full play to the strategic advantages of scale cost, technology research and development, and capital strength, and shape and cultivate the company's core competitiveness, so as to be at the forefront of the world in three to five years. To this end, Yingda regards human resources as the first resource and selects talents from all over the world. Yingda adheres to the employment philosophy of "retaining talents with career and educating talents with corporate culture", creates an open and challenging employment environment, provides employees with competitive salaries and broad development space, establishes a complete employee training system, selects key personnel to study abroad, and establishes school-enterprise cooperation mechanisms with Tongji University, Shanghai University, Nantong University and other universities to accelerate the internationalization of talents, continuously introduce domestic and foreign management and technical experts, and overseas returnees to join Yingda, and promote the continuous advancement of Yingda's business.

: Guangdong Kangmeifeng Ventilation Equipment Co., Ltd.

Address: No. 2, Zhihui Road, Guangzhou () Industrial Transfer Industrial Park, Shijiao Town, Qingcheng District, Qingyuan City, Guangdong Province

Company website: http://www.comifo.com.cn/

Company Overview

Guangdong Kangmeifeng Ventilation Equipment Co., Ltd. took over the industrial transfer of Guangzhou Kangmeifeng Air Conditioning Equipment Co., Ltd. and settled in Guangzhou (Qingyuan) Industrial Transfer Industrial Park in December 2015. It covers an area of 33,300 square meters, with large steel structure workshops, multi-story frame workshops and R&D office buildings, with a total construction area of 26,000 square meters and a total investment of RMB 160 million. Kangmeifeng is an economic entity integrating the design, production, sales and engineering installation of fire ventilation products and central air conditioning terminal equipment. It is a manufacturer of central air conditioning centrifugal fans, axial flow fans, fire smoke exhaust fans, mixed flow fans, terminal devices, ventilation ducts, various air valves, air outlet accessories, fire dampers, smoke exhaust valves, air valve drivers, mufflers, static pressure boxes and other ventilation products. It has high-speed punching machines, plasma machines, 630-ton hydraulic presses, 16-160-ton punching machines, folding machines, shearing machines, CNC fully automatic duct production lines, CNC fully automatic fire damper production lines, fan fully automatic production lines and other processing equipment; it has automatic CNC lathes, milling machines, injection molding machines and other machining equipment. The products have excellent performance, beautiful appearance and high energy efficiency. Kangmeifeng has an installation team that has been trained for more than ten years and various types of sophisticated installation machinery. Kangmeifeng's customer groups include real estate companies such as Hutchison Whampoa Real Estate, China Overseas Group, R&F Group, Poly Group, Times Real Estate, Helenberg Real Estate, Wanda Real Estate, and long-term partners of installation engineering companies such as China Railway Construction, China Construction Fourth Bureau, China Construction Third Bureau, China Construction Second Bureau, China Construction Eighth Bureau, Provincial Safety Fourth, Provincial Safety Third, and Shenzhen Jianan. Kangmeifeng Group is a member of the China Refrigeration Society, China Refrigeration and Air-conditioning Industry Association, Guangdong Refrigeration Association, Guangdong Fire Protection Association, and Guangdong Building Decoration Materials Industry Association. It has passed ISO9001 quality certification and the CCCF mandatory certification of the Ministry of Public Security. It is a national science and technology giant and a national high-tech enterprise. It has been listed on the New Third Board and has obtained a number of invention and utility model patent technology certificates. Kangmeifeng has established a practical quality assurance system and service system, strictly controls quality, and provides customers with high-quality, low-cost, and cost-effective products. It has also forged an industry brand with its strict and standardized management, excellent products, and perfect after-sales service.

: Trox Air Conditioning Equipment (Suzhou) Co., Ltd.

Address: Building 46, Venture Capital Industrial Square, Yangcheng Lake Avenue, Suzhou Industrial Park, Jiangsu Province

Company website: http://www.troxchina.com/

Company Overview

TROX is a leader in the development, manufacture and sale of equipment and systems in the field of air conditioning and ventilation. TROX Air Conditioning Equipment (Suzhou) Co., Ltd. is a wholly-owned subsidiary of TROX GmbH in China. In 1998, TROX established a representative office in Shanghai and officially entered the Chinese market. Three years later, in 2001, TROX Air Conditioning Equipment (Suzhou) Co., Ltd. was formally established as a wholly-owned company in Suzhou Industrial Park and established a production base, thus opening a new era of TROX's development in China. Subsequently, TROX China successively established sales offices in Shanghai, Beijing and Guangzhou. In 2008, TROX China moved to a new factory, further expanded its production area, and sought greater development in the Chinese market with a new look. So far, the total production area of TROX China has reached 23,000 square meters, and it has a complete R&D and testing laboratory in the industry. It has always regarded first-class technology and quality as the company's core competitiveness, and continuously carried out technological innovation and new product development. As a leader in technology and market, TROX China can provide a complete set of products and systems for centralized and independent ventilation and air conditioning technology, including air vents, air-water system terminals, air volume control valves, fire smoke exhaust valves, tunnel industrial valves, silencers, filters, air conditioning boxes, independent ventilation systems and laboratory system solutions. TROX China implements German production and management inspection standards. After more than ten years of development, TROX has been recognized nationwide for its "first-class technology, first-class quality and first-class service". Whether it is comfort air conditioning or industrial air conditioning, the successful application of countless projects has witnessed the good quality of TROX products.

: Beijing Jisheng Electromechanical Equipment Co., Ltd.

Address: No. 51, Xinggong Section, Zhaosi Road, Xinggong Village, Zhang Town, Shunyi District, Beijing

Company website: http://www.jishengjd.com.cn/

Company Overview

Beijing Jisheng Mechanical and Electrical Equipment Co., Ltd. was established on November 13, 1999. It is a manufacturer of ventilation and air-conditioning equipment, smoke exhaust equipment, and noise reduction equipment. Relying on high-tech advantages, it continues to innovate, inherits the development achievements of more than 20 years, and absorbs international advanced manufacturing technology to develop and develop "Jisheng" brand ventilation series products. The structure and components of this series of products have successively obtained more than 40 national patents. The main technical parameters are better than the relevant national standards and specifications, and are at the leading level in China. The company covers an area of more than 20,000 square meters, has more than 8,000 square meters of modern standard factory buildings and domestic first-class mechanized production lines, and has a sound guarantee system. It is a high-tech enterprise integrating R&D, production and service that has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, GB/T28001 occupational health management system, and GB/T 29490 intellectual property management system certification. The company has now formed a complete system integrating R&D, mass production, quality control and nationwide sales and after-sales service network from the production of ventilation and air-conditioning systems including mechatronics, fire and smoke exhaust systems, noise reduction system equipment, etc. The company has offices or project departments in Shenyang, Dalian, Lanzhou, Zhengzhou, Chengdu, Chongqing, Wuhan, Hefei, Nanjing, Hangzhou, Nanchang, Changsha, Nanning, Fuzhou, Xiamen, Guangzhou, Shenzhen, Dongguan and other places. The company has taken advantage of the overall advantages through group management and rationally coordinated to provide high-quality sales and after-sales service for Jisheng products. The company's leading products include: various air volume control valves, large combined air valves, matching electric actuators, control boxes, fire dampers, smoke exhaust fire dampers, smoke exhaust ports, mufflers, various aluminum alloy air outlets and other products, which are mainly used in urban rail transit, nuclear power plants, airport terminals, cigarette factories, automobile manufacturing plants, office buildings, theaters, gymnasiums, landmark buildings, national projects and other places. Jisheng brand products have advanced technical advantages and high performance characteristics among products in the same industry. Hundreds of projects in China, including many projects, have selected Jisheng products. The company has realized equipment export since 2000 and has successfully served more than ten countries and regions. The company provides products and services for domestic and foreign rail transit projects, and has formed a complete set of high-quality series products and high-quality service teams serving the ventilation and air-conditioning industry, providing professional and more advanced services: So far, the company has provided high-quality products and thoughtful services to more than 90 rail transit projects (subway lines) in more than 20 cities across the country, and has been well received by the owner unit, construction unit and supervision unit. The supply and service projects have passed the completion acceptance and put into operation. The company is taking the quality policy of quality-oriented, pioneering and innovative, customer-oriented and sustainable development, and the purpose of survival by quality, development by innovation and striving to create a first-class enterprise, fully combining advanced scientific management with flexible market mechanisms, working hard, making every effort to create a well-known brand in the ventilation industry, and serving the majority of users with good quality.

: Dezhou Yatai Group Co., Ltd.

Address: No. 1186, University East Road, Economic Development Zone, Decheng District, Dezhou City, Shandong Province

Company website: http://www.yatai.cc

Company Overview

Dezhou Asia Pacific Group is a large-scale comprehensive enterprise group focusing on HVAC equipment and clean air conditioning engineering, and investing in higher education, real estate and other diversified businesses. Asia Pacific Group was founded in 1994 and has now developed into a large-scale enterprise integrating R&D, manufacturing and installation, from host to terminal central air conditioning and clean air conditioning overall engineering. Composite materials, ventilation equipment and other related industries are complete. The service objects range from civil, industrial to military, nuclear power, subway, wind power and other fields. The Asia Pacific team, which is built by 2,200 employees, has more than 100 high-precision CNC special equipment, more than a dozen assembly lines, and a professional refrigeration equipment testing center; strictly operating important management systems such as ISO9001, ISO14001, ISO45001, and the meticulous professionalism of Asia Pacific people, and the harmonious atmosphere of "harmony but difference" have become a strong backing for creating Asia Pacific boutiques and maintaining the health and progress of the enterprise. Management innovation, technological innovation, and product innovation. Asia Pacific has always closely followed the pace of the times, and has launched a series of energy-saving and environmentally friendly high-tech products such as rooftop air conditioning units, centrifugal water-cooled chillers, full-liquid variable frequency units, falling film water source heat pump units, dual-energy units, etc., with comprehensive energy saving reaching 30%, and has obtained many patents and enjoyed a large number of independent intellectual property rights. With the group as the center, and Beijing, Tianjin, Xi'an, Hohhot, Zhengzhou, Taiyuan, Shenyang, Qingdao, Hefei, Chengdu, Lanzhou, Changchun, Xuzhou, Harbin, Yinchuan, Urumqi, Xiong'an New Area, Wuhan and other large and medium-sized cities as the base points, a service network radiating across the country and connecting overseas has been formed, and a bridge has been built with users through green service channels. Asia Pacific central air-conditioning projects are spread across major and medium-sized cities across the country and exported to dozens of countries and regions. Such as the new site of CCTV, Beijing Daxing International Airport, Jiuquan Satellite Launch Center, Phoenix International Media Center, China National Convention Center (Press Release Center for the 2022 Winter Olympics), General Administration of Quality Supervision, Inspection and Quarantine, Wuhan Huoshenshan Hospital, Wuhan Leishenshan Hospital, Beijing Xiaotangshan Hospital, General Hospital of the Chinese People's Liberation Army, more than 20 Olympic venues in Beijing, and overseas projects such as Angren Rubber Factory in Uzbekistan and Vitebsk Hydropower Station in Belarus. Asia-Pacific HVAC is developing steadily and healthily; Shandong Huayu Institute of Technology is thriving; joint ventures such as Aihe Filtration Equipment Co., Ltd., Yian Asia-Pacific Biotechnology Co., Ltd. and Shandong Chuangyuan Air Conditioning Equipment Co., Ltd. are expanding rapidly. A magnificent blueprint has been unfolded before Asia-Pacific people: "domestic first-class" is waving to us; going global is just around the corner.

: Shenzhen AVIC Daji Co., Ltd.

Address: 22nd Floor, Hangdu Building, Huafu Road, Futian District, Shenzhen, Guangdong

Company website: http://www.catictaikee.com

Company Overview

Founded in 1985, AVIC Daji has grown up with Shenzhen Special Economic Zone. AVIC Daji was listed on the New Third Board in July 2016 with the stock code 838078. AVIC Daji is a professional manufacturer of ventilation ducts and environmental central air-conditioning supporting products, and is one of the compilation units of the People's Republic of China's construction industry standard JG/T14-2010 "Ventilation and Air Conditioning Air Vents". The company's main products are five major categories of products, including air disinfection and purification equipment, ventilation ducts, air duct silencers, fire and smoke exhaust valves and air valves, and ventilation and air conditioning air vents. Among them, the fire and smoke exhaust valve is a national fire certification product, and more than 1,000 specifications and sizes have been certified. The core technology of the product has obtained a number of national patent certificates, and more than 100 product inspection reports have been obtained. In product production, key equipment comes from Germany, Switzerland, and Japan, with more than 200 sets of various production lines and production equipment, a production area of nearly 8,000 square meters, and an annual output value of up to 100 million yuan.

: Shanghai Xianlong Ventilation Equipment Co., Ltd.

Address: Room 1502, Building 2, Lane 39, Shangyi Road, Minhang District, Shanghai (Wujing Baolong Plaza)

Company website: http://www.shinelong.com

Company Overview

Shanghai Xianlong Ventilation Equipment Co., Ltd. is a manufacturer that produces and sells fire damper series products and central air conditioning terminal products. The factory is located in the economically developed Huqiao Industrial Zone, Fengxian, Shanghai. Xianlong products are widely used in high-rise buildings, modern factories, nuclear projects, warships and other places that require air conditioning. Sales cover major cities across the country and are sold well in countries and regions such as Japan, Europe, Singapore, and South Korea. The company was established mainly to replace Shanghai Xianlong-Huili Air Conditioning Equipment Co., Ltd. established in 1993 due to business development needs. The company and Shanghai Xianlong-Huili Air Conditioning Equipment Co., Ltd. are the same legal person. The company has a technical team with strong business capabilities and innovative spirit, and actively cooperates with colleges and universities and scientific research institutes in technical research and development. In 1995, it established an acoustic and aerodynamic performance testing center with Shanghai Tongji University to improve the credibility of product performance. The company has its own product testing center and a dedicated product development and research laboratory. In 2005, the company established a special technical cooperation with Shanghai University of Technology on constant air volume valves. In 2009, the company established an air conditioning laboratory, which is dedicated to the ventilation performance, noise and other technical performance tests of air valves and fire dampers. In order to expand the market in North China, the company established Tianjin Xianlong Air Conditioning Equipment Co., Ltd. in April 2008. In order to expand the sales coverage of products, the company has established 4 offices in Hangzhou, Nanjing, Jinan and Tianjin. Over the years, Xianlong has been adhering to the principle of "seeking innovation, change and development", gradually establishing and improving various management systems within the enterprise, implementing a modern business model of parallel production and marketing, and providing users with high-quality products and good services. In order to enhance the company's competitiveness and participate in the competition in the international market, the ISO9000 series international quality management system was implemented in July 1998. In product development, we adhere to the principle of "rigorous design and continuous improvement". We promote the enterprise planning resource management system and computer-aided design system centered on ERP within the company. In combination with the new trend of central air-conditioning product development in the world, we have formed our own complete central air-conditioning terminal product series, including fire dampers, air valves, air vents, silencers, telescopic hoses, spiral air ducts and other major categories. In terms of product processing technology, we adhere to the principle of "excellent equipment and quality-oriented". We have successively introduced cutting-edge bending, stamping and other sheet metal processing and pipe processing production equipment from countries and regions such as Japan, Germany, and the United States, and strive to produce products with multiple varieties and small batches. The development of flexible processing modes has gradually promoted mass production of molds and standardized operating methods. Combined with the market demand for short delivery cycles and a wide variety of specifications, we have successively launched processing lines for air outlets, air valves, fire dampers, spiral air ducts and aluminum telescopic hoses, as well as electrophoresis, plastic spraying and paint spraying production lines, laying the foundation for the company to mass produce, shorten delivery time, improve product quality and reduce product costs. In terms of production services, we take "timely delivery and thoughtful service" as the principle, and have formed a strict management mechanism for the operation procedures of each link from ordering, planning, production, delivery to after-sales service, which can provide customers with high-quality products and thoughtful services in a timely manner.

: Jiangsu Xinyang Electromechanical Equipment Co., Ltd.

Address: No. 28, Zelan Road, Hailing District, Taizhou City, Jiangsu Province

Company website: http://www.jsxyjd.com/

Company Overview

Jiangsu Xinyang Electromechanical Equipment Co., Ltd. was founded in 1996. It is a manufacturer of ventilation and air-conditioning terminal products integrating R&D, manufacturing, sales and maintenance. After years of accumulation, the company has brought together a group of engineering and technical personnel who have been engaged in the research of ventilation and air-conditioning and smoke exhaust products for many years, as well as installation and maintenance personnel with rich experience. The company is located in Taizhou City, Jiangsu Province, a famous city in the Yangtze River Delta, on the bank of the Yangtze River. The company covers an area of 30 acres and has a construction area of 15,000 square meters. The company has successively passed ISO9001 quality management system certification, ISO14001 environmental management system certification, and ISO18001 occupational health and safety management system certification. Since its establishment, the company has maintained friendly exchanges and cooperation with academic institutions such as Tongji University and Zhejiang University, providing strong guarantee and support for the upgrading of the company's product technology.

Categories related to Fire Damper

Fire Damper Information

Information

Fire Damper Information

What is a Fire Damper?

A fire damper is a passive fire protection device used in heating, ventilation, and air - conditioning (HVAC) systems. It is designed to prevent the spread of fire and smoke through ductwork. The damper is typically a metal plate or a set of louvers that can close off the duct when exposed to high temperatures, usually caused by a fire in the building.

History of Fire Dampers

Early Origins: The concept of fire dampers emerged as buildings became more complex and HVAC systems were installed. In the early days of building design, as the importance of fire safety grew, the need to protect the ductwork that could act as a pathway for fire and smoke became evident. Initially, simple mechanical devices were developed to close off ducts during a fire, which were the predecessors of modern fire dampers.
Development with Building Codes: As building codes and fire safety regulations became more stringent, the design and performance requirements of fire dampers evolved. In the mid - 20th century, with the increasing use of HVAC systems in commercial and high - rise buildings, fire dampers were standardized and required to meet specific fire - resistance ratings and performance criteria. This led to the development of more reliable and effective damper designs.
Modern Technological Advancements: In modern times, fire dampers have seen improvements in materials, actuation mechanisms, and integration with building management systems. Advanced materials such as high - temperature - resistant alloys and intumescent materials (which expand when heated) are used to enhance the damper's fire - resistance. Electronic sensors and controls have been integrated to provide better detection of fire conditions and more reliable damper closure.

Purpose of Fire Dampers

Fire Containment: The primary purpose of a fire damper is to contain the spread of fire within a building. By closing off the ducts, it prevents flames and hot gases from traveling through the HVAC system and reaching other parts of the building. This helps to compartmentalize the fire and limit its damage to a specific area.
Smoke Control: Fire dampers also play a crucial role in smoke control. Smoke can be more deadly than the fire itself in many cases. By blocking the ductwork, the damper helps to prevent the spread of smoke, which can improve visibility for occupants and firefighters, and also reduce the inhalation risks associated with toxic smoke.
Protecting HVAC System Components: The damper protects the HVAC equipment such as fans, coils, and other components from damage due to fire and smoke. By isolating the ducts, it reduces the likelihood of fire - caused damage to these expensive and critical building systems, which can be costly to repair or replace.

Principle of Fire Dampers

Thermal Activation: Most fire dampers are activated by heat. When the temperature around the damper reaches a certain threshold (usually around 165 - 280 degrees Fahrenheit, depending on the type and design), a fusible link melts or an intumescent material expands. The fusible link is a metal alloy that holds the damper in an open position during normal conditions. When it melts, it allows the damper to close. Intumescent materials expand when heated and can push the damper shut or block the duct.
Mechanical Closure: Once activated, the damper closes through a mechanical mechanism. This can involve a spring - loaded system, gravity - assisted closure, or a combination of both. The damper blades or plates move to block the duct opening completely, creating a seal to prevent the passage of fire and smoke.

Features of Fire Dampers

Fire - Resistance Rating: Fire dampers have a specific fire - resistance rating, usually measured in hours. This rating indicates the length of time the damper can withstand the passage of fire and maintain its integrity. Common ratings are 1 - hour, 1.5 - hours, or 2 - hours, depending on the building's fire - safety requirements and the location of the damper in the HVAC system.
Low - Leakage Design: To effectively prevent the spread of smoke and hot gases, fire dampers are designed to have a low - leakage rate. The seals around the damper blades and the overall construction of the damper are optimized to minimize air and smoke leakage when the damper is in a closed position.
Versatility in Installation: Fire dampers can be installed in various types of ductwork, including rectangular, round, and oval ducts. They can be integrated into different parts of the HVAC system, such as supply ducts, return ducts, and exhaust ducts. Some dampers are also designed to be installed in a horizontal or vertical orientation, depending on the duct layout.[!--empirenews.page--]
Maintenance - Free or Low - Maintenance: Many modern fire dampers are designed to be relatively maintenance - free. The use of reliable activation mechanisms and durable materials reduces the need for frequent inspections and maintenance. However, regular checks are still recommended to ensure the damper's proper functioning.
Compatibility with Building Automation Systems: Some fire dampers can be integrated with building automation and control systems. This allows for remote monitoring of the damper's status, such as whether it's open or closed, and can provide alerts in case of a malfunction or activation. Integration with the overall building management system enhances the building's fire - safety and emergency response capabilities.

Types of Fire Dampers

Static Fire Dampers: These are the most common type. They are installed in the ductwork and remain in a fixed position until activated by heat. Static fire dampers can be further classified based on their blade design, such as single - blade, multi - blade, or louvre - type dampers. The choice of blade design depends on factors such as the size of the duct, the required flow characteristics, and the fire - resistance rating.
Dynamic Fire Dampers: Dynamic fire dampers are designed to handle the movement of air through the duct during normal operation. They are used in ducts where air is constantly flowing, such as in supply and exhaust systems. These dampers have a more complex design to ensure that they can close effectively even in the presence of an air stream. They often use sensors and actuators to detect fire conditions and close the damper quickly.
Ceiling - Mounted Fire Dampers: These are installed in the ceiling plenum, which is the space between the ceiling and the floor above. Ceiling - mounted fire dampers are used to protect the ductwork that passes through this area and prevent the spread of fire and smoke from one floor to another through the ceiling void.

Precautions for using Fire Dampers

Proper Installation: Fire dampers must be installed correctly according to the manufacturer's instructions and relevant building codes. Improper installation can lead to the damper not functioning properly during a fire. Ensure that the damper is installed at the correct location in the ductwork, with the proper orientation and clearances. The installation should also allow for easy access for inspection and maintenance.
Regular Inspection: Regular inspections of fire dampers are essential to ensure their proper functioning. Inspect the damper for any signs of damage, such as bent blades, damaged seals, or a malfunctioning activation mechanism. Check the fusible links to make sure they are intact and not corroded. The frequency of inspections depends on the building's usage and local regulations, but it's generally recommended to inspect at least annually.
Integration with Fire - Safety Systems: Ensure that the fire damper is properly integrated with the building's fire - safety systems. This includes the fire alarm system and any smoke control systems. The damper should be able to receive signals from the fire alarm and close in a timely manner. Test the integration during fire - drill exercises to confirm that all systems work together effectively.
Environmental Considerations: Consider the environment in which the fire damper is installed. Damp or corrosive environments can affect the performance of the damper over time. In such cases, it may be necessary to select a damper with corrosion - resistant materials or take additional measures to protect the damper from environmental damage.
Obstruction Avoidance: Make sure that the area around the fire damper is clear of any obstructions. Obstructions can prevent the damper from closing properly or can affect the air flow through the duct, which may lead to problems during normal operation and in a fire situation.

Things to consider when purchasing Fire Dampers

Fire - Resistance Rating and Building Code Compliance: Determine the required fire - resistance rating for the damper based on the building's fire - safety plan and local building codes. Make sure the damper you purchase meets or exceeds these requirements. Compliance with building codes is crucial to ensure the safety of the building's occupants and to avoid legal issues.
Type and Size of Ductwork: Consider the type (rectangular, round, etc.) and size of the ductwork in which the damper will be installed. The damper should be sized and designed to fit the specific duct dimensions and airflow requirements. A mismatched damper can lead to inefficiencies in the HVAC system and may not provide adequate fire protection.
Flow Characteristics and Pressure Drop:[!--empirenews.page--] Analyze the expected air flow through the duct and the impact of the damper on the pressure drop. Different damper designs have different flow characteristics and can cause varying amounts of pressure loss. Choose a damper that can maintain the desired air flow while still providing effective fire protection. Excessive pressure drop can affect the performance of the HVAC system.
Activation Mechanism and Reliability: Evaluate the activation mechanism of the fire damper. The reliability of the fusible link, intumescent material, or other activation methods is crucial. Look for dampers with a proven track record of reliable activation in fire conditions. Some advanced dampers may also have additional safety features such as redundant activation mechanisms.
Cost and Budget: Establish a budget for the fire damper purchase. The cost can vary depending on the type, size, fire - resistance rating, and features of the damper. Consider not only the initial purchase price but also the long - term costs such as installation, maintenance, and potential replacement. A more expensive damper with better quality and reliability may be a more cost - effective choice in the long run.
Brand and Reputation: Choose a reputable brand with a good track record in manufacturing fire dampers. Read customer reviews and ask for recommendations from other building professionals or fire - safety experts to assess the quality, durability, and performance of different models. A well - known brand is more likely to provide reliable customer service and technical support.

Terms of Fire Dampers

Fire - Resistance Class: A classification that indicates the damper's ability to withstand fire for a specific period. It is usually based on standardized fire - testing procedures and is used to ensure that the damper meets the required fire - safety standards for a particular building application.
Leakage Rate: The amount of air or smoke that can leak through the damper when it is in a closed position. It is usually measured in cubic feet per minute per square foot of damper area (CFM/ft?) and is an important parameter for evaluating the damper's effectiveness in preventing the spread of smoke and hot gases.
Actuation Temperature: The temperature at which the fire damper's activation mechanism is triggered. This temperature is carefully selected to ensure that the damper closes in a timely manner during a fire but does not close accidentally during normal temperature fluctuations.
Free - Area Ratio: The ratio of the open area of the damper (when it's in an open position) to the cross - sectional area of the duct. This ratio affects the air flow through the duct and is an important consideration when designing the HVAC system and selecting the appropriate fire damper.
Installation Clearance: The space required around the fire damper for proper installation, operation, and maintenance. Adequate installation clearances are necessary to ensure that the damper can function correctly and that it can be easily accessed for inspections and repairs.