Do you need to set up an automatic exhaust valve at the highest end of the fire pipe?
Ok yes, the top of the main stand
In order to make the system pipe water does not keep the air to ensure that the fire hydrant and automatic fire extinguishing system can be timely water, the provisions of the highest point in the inlet pipe set automatic exhaust valve. Due to the air within the pipeline to impede the passage of water flow, in order to improve the flow over-current capacity, should drain the air inside the pipeline, so the system requires the installation of automatic exhaust valve.
Fire water supply system at the highest point of the pipeline should be set up automatic exhaust valve.