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Metering pump suction is not normal
Edit:Lianyungang Mi Lu Luo Pump Industry Co., Ltd   UpDate:2017-03-13

Metering pump aspiration does not rotate normally to the stroke length of 100%. This allows the entire set of components to rotate to the backsheet drain drain holes aligned with the bottom of the pump. Adjust the hydraulic end and diaphragm to the proper position during pump operation.
The duration of the pulse may not be long enough for the reaction time. With respect to the standard pulse width of 80msec, the flow monitor pulse width extension can be activated to increase the pulse width to 300msec. Activate the smart switch, remove the cover of the fixed circuit board, remove the jumper X-1. This activates the extended function, allowing more time before the fault indication.
Dosing pump installed from the exhaust pump head, using self-irrigation liquid. Keep the aspiration line as short as possible.
A metering pump is one of the fluid delivery machines, and is characterized by a constant flow rate that can be maintained regardless of the discharge pressure. The use of metering pumps can simultaneously deliver the functions of delivery, metering and adjustment, thus simplifying the production process. Using multiple metering pumps, several media can be mixed in an accurate proportion of the input process. Due to its own prominence, metering pumps are now widely used in petrochemical, pharmaceutical, food and other industrial fields.