The Creator of Mesh Food-Grade Silicone Rubber Material

Can newborn baby pillow sample charge be refunded if order is placed?
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How to choose the filter tank backwashing pump? 1. frequency of BackwashingDuring the normal operation of the filter, due to the interception of many dirty and miscellaneous substances on the surface of the filter layer, the gap of the filter material is blocked, resulting in increasing pressure losses and decreasing water output, which cannot meet the water quality update requirements of the pool, at this time, the filter should be backwashed to wash away the accumulated impurities. Therefore, since the filter begins to filter the waterway filter, the time required for backwashing is called backwashing frequency. If one of the following conditions occurs, the filter should be backwashed:1) the head loss of the filter running to the filter layer is increased by 0 compared with the head loss when cleaning the filter layer. 06MPa or reach the pressure difference value specified by the filter manufacturer. according to relevant information, the self-resistance loss of quartz sand filter is about 0.02 ~ 25

What are the types of industrial wastewater? What are the types of industrial wastewater?
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