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The correct operation of the fire pump, fire plays a vital role in today's fire pump to say what the correct steps. Fire pump fire pump pressure pump the correct steps a. Before starting preparation 1. Pull the motor by hand, the impeller should be no card grinding phenomenon, rotating flexible; 2. Open the inlet valve, open the exhaust valve so that the liquid filled the entire pump chamber, And then close the exhaust valve; 3. If the transfer of hot liquid, starting è· should be preheated, heating rate of 50 ° C / h: pump preheating is used to continuously circulate the liquid delivered to achieve uniform heating of all parts; 4 should be manually handwheel several times to make the lubrication water into the mechanical seal face; 5 jog motor to determine the steering is correct. Second, the starting and running 1. Fully open the inlet valve, close the discharge pipe valve; 2. Connect the power, when the pump reaches normal speed, and then gradually open the valve on the discharge pipe., And adjust to the required conditions; Observe the instrument readings, check the shaft seal leakage inertia, the normal mechanical seal leakage of 3 drops / min, check the motor, bearing temperature rise if abnormal circumstances should be promptly addressed. Shut down 1. Gradually close the discharge pipe valve, cut off the power; 2. Close the inlet valve; 3. If the ambient temperature is below 0 ° C, the pump liquid should be depleted to avoid freezing crack pump; 4. If the long-term stop Use, the pump should be disassembled and cleaned, packed and stored. Further Reading: pump valve pipe fittings Exhibition 2016 Exhibition of Information Industry, Internet (Xiamen) Technology Co., Ltd. Author: Asian pumps Network Editor: Yao Xiaoxia (QQ / micro letter:) http://beng.liuti.cn/ (Hotline :)