FIRE PUMP OPERATION through the CONTROL of CONTROL CABINETS and PRESSURE SWITCHES, PRESSURE in the PIPELINE in OPERATION STATE ALWAYS at 6.0 KG/CM2. When the PRESSURE WITHIN the PIPE FALLS BELOW 5.0 KG/CM2 PRESSURE PUMPING ACTIVITY WILL PROVIDE the WATER for the SYSTEM to ACHIEVE the INSTALLATION STATUS AS ORIGINAL is 6.0 KG/CM2. IF the WATER FLOW in the SYSTEM CONTINUE to DECREASE RAPIDLY BELOW the 4.5 KG/CM2, the MAIN PUMP SYSTEM WILL PROVIDE TIMELY WATER ACTIVITY to FIRE (TWO MACHINES RUNNING CONSECUTIVELY)
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