Pressure is low or no pressure, high viscosity gear wheelpump don't inhale the liquid or leakage is serious.
压力低或无压力，说明高粘度齿齿轮泵没有吸入液体或泄漏严重。
2
Check the gear wheelpump at this time of the actual speed, pump and motor connection and power matching, etc.
此时应检查齿齿轮泵的实际转速、泵与电动机的联接及功率匹配情况等。
3
High viscosity gear pump does not generate pressure, it is only the output flow. Pressure is low or no pressure, high viscosity gear wheelpump don't inhale the liquid or leakage is serious.