Outdoor ground fire hydrant

Outdoor fire hydrants are an important part of the urban fire water supply system, mainly used to provide water for fire fighting. They are usually installed in public places such as streets, squares, parks, etc., and are designed to work properly even in extreme weather conditions. Outdoor fire hydrants are mainly composed of a main body, a valve, a water outlet (usually one or two) and an interface. Some models are also equipped with an antifreeze device to ensure normal use in cold winters. There are two types of outdoor fire hydrants: - Above-ground fire hydrants: installed directly on the ground, easy to find and use. - Underground fire hydrants: For beauty or to prevent damage, fire hydrants are sometimes installed underground and protected by special manhole covers. Outdoor fire hydrants are usually made of cast iron or stainless steel, both of which have good corrosion resistance and strength and can withstand long-term outdoor environment tests. The main function of outdoor f…