Drainage close to the miniature pump can block the normal work

We need a miniature pump due to the need for production equipment: 100-200mL / Min flow rate is not required, but the pressure is not high, but to meet the following conditions: The built-in micro-pump requires long-term reliable operation in the case of a nearly clogged drain . In fact, we are going to add an element with a diameter of less than 1 mm to the drain line of the pump, and in some cases it is very likely that the orifice will become clogged. Such a damping element can cause a significant Back pressure. The condition of our instrument can not be evaded, and the quality of the micro-pump in this condition almost determines the quality of our instrument. At first, we found a lot of mini pumps on the market, but none of them met the requirements: as long as the drain was clogged, the time would be longer, or the motor burned out or leaked. After nearly a year of hard work, finally finally filtered out a fully qualified product: WKA600-24V micro-pump. It completely blocked the drain, day and night continuous operation for a whole month, actually intact! Later found it has many advantages, self-priming function, not afraid of dry turn, the inlet can be blocked, and even blocked the import and export all no problem. After bulk use, the performance is stable, good quality.