Outdoor fire is a ground water supply facilities. Used to fire engines and water supply or directly with, connected to water gun fire, the fire is essential outdoor water supply purpose-built facilities. It exposed the upper ground, clearly marked and easy to use. From the body, elbow, valve seats, valve, drainage valves, stem and interfaces such as component parts. Ground fire hydrant is a must-city fire equipment, especially the urban areas and rivers in less need for the installation to ensure that the needs of flood fire. Various plants, mines, warehouses, yards, the freight yard, high-rise buildings, public places and other densely populated areas should be conditional installation. The structure of products, reliable performance, ease of use, will help you cope with the disaster that may occur at any time.