Product Name: SNZ65 rotary fire hydrant Product Type: SNZ65 Product Features: The mounting structure is divided into two kinds of internal tooth outer tooth. Product Information: indoor fire hydrant is installed in a building fire control line to fire water interface with the valve. It is a factory, warehouse, high-rise buildings, and shipbuilding and other indoor fixed fire-fighting equipment, used for fighting fires in buildings, usually installed in the fire hydrant box, supporting the use of fire hoses and water cannons, etc.