What is the height of the outdoor hydrant from the ground?
The distance between the top water outlet of the underground fire hydrant and the bottom surface of the fire protection cover shall not be greater than 400mm, and there shall be enough operating space in the well, and a ladder shall be set up. Frost protection should be done in the cold area.
The outdoor fire hydrant and fire pump adapter installation dimensions should meet the design requirements, the nozzle installation height allowed deviation of 20mm.
The position sign of outdoor fire hydrant should be obvious, and the position of bolt should be operated conveniently. When the wall adopts the wall type, if the design does not require the center of the entrance of the inlet and outlet, the installation height shall be 1.10M from the ground, and the measures against falling objects shall be provided above.
The system must be subject to hydrostatic test. The test pressure is 1.5 times the work pressure, but not less than 0.6MPa.
