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Description :

　　Shandong Dongyue Crane and Fire Equipment Manufacturing Co., Ltd. is located in Mingshui, Zhangqiu City, known as "Xiaoquan City" in the eastern suburbs of Jinan, Shandong Province. Production of industrial, national defense, and civilian firefighting equipment and devices.

　　The company's main products include PS series fixed fire monitor, PL series foam water dual-use monitor, PSY series mobile fire monitor, PSKD series fixed fire monitor, PSKDY series mobile fire monitor, automatic tracking and positioning jet extinguishing device, SSFT series ground fire hydrant, hydrant monitor integrated fire hydrant, PZK series fire gun base, PS series foam fire hydrant, PY series semi fixed (portable) foam fire extinguishing device, PHYM (L) series pressure proportional mixing device, PQ series foam gun, PHP series balanced foam proportional mixing device, PSG series foam fire hydrant Box, PC (L) series low expansion air foam generator, PT series fire turret, FQS series fire ball valve, steel tank fire cooling sprinkler, foam extinguishing agent and other more than 200 kinds of fire fighting supporting products.

　　All products of the company have passed the 3C certification of the Fire Safety Qualification Assessment Center of the Emergency Management Department, and obtained corresponding product inspection reports and 3C certificates. The company implements ISO9001 quality management system certification, environmental review report, safety review report and other system certifications. The product has advanced performance, reliable quality, and high reputation. Adhere to the concept of "survival through quality, development through reputation"; Adhering to the principles of "integrity, focus, and quality", we will provide technical solutions and excellent product performance to wholeheartedly serve our customers both domestically and internationally.

　　Create high-quality firefighting products and establish the Dongyue brand. Dongyue Fire Protection provides you with innovative products and satisfactory services, and is willing to cooperate with you in good faith to create brilliance together.

　　Shandong Dongyue Crane and Fire Equipment Manufacturing Co., Ltd. produces specialized ball valves for various fire monitors, with specifications and models of FQS80A, FQS80B, FQS80C, FQS65, and FQS80A/1.6. The fire monitor specialized ball valve is produced in accordance with the public safety industry standard GA79-94 "Performance Requirements and Experimental Methods for Fire Ball Valves" of the People's Republic of China, and is specifically designed for use with fire monitors. Its structural characteristics are: the connecting flange is a DN100 flange at the inlet and a DN80 flange at the outlet, with bidirectional sealing and a manual drain valve. When used in high-altitude areas in winter, the valve can be opened after being closed to drain the water inside the valve ball, thereby preventing the ball valve from freezing. Crack. The connection method can also be customized according to user requirements.

　　Appearance and structural requirements

　　Appearance quality: The shell of the ball valve should be made of corrosion-resistant materials or undergo anti-corrosion treatment, and there should be no defects such as peeling or scratches.

　　Material: The valve body and valve cover should be made of materials with corrosion resistance not lower than ordinary cast iron, and the corrosion resistance of the valve seat should not be lower than bronze.

　　The valve seat and sealing ring can be made of materials such as polytetrafluoroethylene or nylon, and the corrosion resistance of the valve seat material should not be lower than that of the valve body material.

　　The size and tolerance of the O-ring rubber seal should comply with the provisions of GB/T3452.1.

　　The packing and gasket should be suitable within the operating temperature range of the fire ball valve. Any metal gasket should have at least the same corrosion resistance as the valve body.

　　Handwheels, handles, and handle seats should be made of steel, malleable iron, or ductile iron.

　　The corrosion resistance of the valve body drain plug material should not be lower than that of the valve body material.

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