First, the material cannot be discharged: (1) the rotation direction is opposite and confirm whether the rotation direction is correct; (2) the suction or discharge valve is closed and the valve is closed; (3) the inlet is empty or the pressure is too low, check the valve and pressure gauge; (4) The viscosity is too high, the pump cannot bite the material, check the viscosity of the liquid, and check whether the flow rate proportional to the speed occurs when running at low speed. If there is a flow rate, the inflow is insufficient.
2. Insufficient flow: (1) the suction or discharge valve is closed and the valve is closed; (2) the inlet pressure is low and the valve is opened; (3) the outlet pipeline is blocked to confirm whether the discharge volume is normal; (4) the stuffing box leaks , Tightening, when a large number of leaks affect production, stop operation and disassembly inspection; (15) the speed is too low, check the actual speed of the pump shaft;
Third, the sound is abnormal: (1) the coupling is eccentric or poorly lubricated, find or correct the grease; (2) the motor is faulty, check the motor; (3) the reducer is abnormal, check the bearings and gears; (4) the shaft seal Defective installation, check the shaft seal; (5) Shaft deformation or wear, stop disassembly inspection;
多级离心泵 熔体粘度过大，检验粘度；（3）轴封装配不良，检查轴封，适当调整；（4）、轴或轴承磨损，停车后检查，用手盘车是否过重；（5）电动机故障，检查电动机； Fourth, the current is too large: (1) the outlet pressure is too high, check the downstream equipment and pipeline; (2) the melt viscosity of the multi-stage centrifugal pump is too large, check the viscosity; (4) Wear of shaft or bearing, check after stopping, check if the handcart is too heavy; (5) Motor failure, check the motor;
Five, the pump suddenly stopped: (1) power failure, check the power supply; (2) motor overload protection, check the motor; (3) the coupling is damaged, open the safety cover, check by turning; (4) the outlet pressure is too high, interlocking React and check the instrument interlocking system; (5) The bite in the pump is abnormal. After stopping, check the forward and reverse rotations; (6) The shaft and bearing are stuck and stuck.
包括： 塑料管浮子流量计 Flow meters sold by Jiangsu Dongxiang Instrument include: plastic tube float flowmeter Gas rotor flowmeter Metal tube float flowmeter Stainless steel glass rotor flowmeter, etc.