Fire switch ball valve Fire accessories FQS water cannon ball valve manufacturer in stock

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　　Fire and firefighting is a very ancient topic. Among various natural disasters, fire is a type of disaster that is not limited by time and space and has a high frequency of occurrence. This disaster has accompanied the history of human use of fire; The fire prevention and control work (formerly known as "fire management") emerged to prevent and control fires.

　　The 583rd and 584th editions of the "Oracle Bone Inscriptions Collection" feature two vermilion painted oracle bone inscriptions, documenting the night burning of three grain warehouses owned by slave owners during the Wu Ding period of the Shang Dynasty from 1339 BC to 1281 BC. This is the earliest record of a fire since the beginning of writing. In fact, before the emergence of writing, our ancestors had already been ravaged by fire. For the sake of survival, our ancestors have long been engaged in fire prevention and control work. When archaeologists excavate and display a human habitation site buried underground for thousands of years, we are amazed to find that these habitation sites are simply witnesses of early building fires. If we talk about the Banpo site in Xi'an two thousand years ago, where a semi subterranean square hut was destroyed by a fire and the charcoal left behind is still clearly visible, it is enough to indicate that it is a relatively primitive site of an early building fire scene. Then, the large-scale public building site in Dadiwan, Qin'an, Gansu five thousand years ago, is not just a site of a building fire scene. The "fireproof protection layer" built with soil around the wooden columns and the remaining "fireproof protection layer", coated with a strong fireproof coating (adhesive material) on the wooden columns, can further prove that our ancestors have been exploring the technology of building fire prevention for a long time, and their achievements are amazing.

　　Shandong Dongyue Crane and Fire Fighting Equipment Manufacturing Co., Ltd. is located in Mingshui Zheshan Industrial Park, Zhangqiu District, Jinan, Shandong Province, which is known for its outstanding people. Located to the north of Jinan International Airport, Jinan Qingdao High speed Railway, and Qingyin Expressway, and to the south of Zhangqiu District's transportation hub, the transportation is very convenient. The company was founded in 2001 with a registered capital of 15 million yuan. It covers an area of 69000 square meters and has a standard steel structure factory building of 12000 square meters. It has 166 employees and 22 personnel with intermediate and high technical titles. Our company has the ability to independently research and develop, design, and produce, with excellent production equipment and advanced inspection equipment. All types of products have passed ISO9001 international quality management system certification, and various products have obtained certifications from the State Administration of Quality Supervision, Inspection and Quarantine, China Fire Products Qualification Assessment Center, and "3c" quality certification.

　　Shandong Dongyue Crane Fire Equipment Manufacturing Co., Ltd. produces specialized ball valves for various fire monitors, with specifications and models: FQS80A, FQS80B, FQS80C, FQS65. There are two specifications for the interface: 65 and 80. Among them, the FQS80 fire ball valve is divided into three models: A, B, and C according to the size of the flange interface. The flange base is generally circular; The number of flange threads can be customized according to customer requirements.

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