High pressure plunger diaphragm pump operating procedures

October 14 05:04:16, 2022

First, the preparatory work before operation 1, if necessary, the antifreeze in the pump thoroughly washed. 2, check whether the fastening port. 3, open all the valves so that the pump get enough liquid level. 4, adjust the pump outlet pipe valve, the pump can start at the lowest pressure. 5, check the belt to make it tight and moderate. Second, start 1, turn on the power to start the pump 2, check whether the suction pressure or vacuum is normal (21 ℃ can not exceed 24Kpa, the pressure must not exceed 1380Kpa). 3, check whether the pump abnormal sound, the flow is stable. 4, Found that the pump system appears gas blocked and can not absorb liquid should do the following: a, turn off the power. b, remove the pump head at the bottom of the drain plug. c. Restart the pump system until liquid flows out of the drain tap. d, turn off the power, tighten the drain plug. 5, adjust the drainage pressure controller until the required operating pressure and bypass pressure (pump bypass pressure must not exceed the pump pressure limit). 6, adjust the pressure of the safety relief valve to make the pressure higher than the required operating pressure 690Kpa. Third, turn off 1, the pump suction line and the discharge line disconnected. 2, Remove the drain plug at the bottom of the pump, pump until all liquid in the pump is drained. 3, off the pump and install the row is not tied. 4, such as the external temperature is lower than the freezing temperature of liquid delivery, the pump filled with antifreeze.

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