
Clearstream Cloth filters are offered to the greenhouse industry exclusively through Zwart Systems. Cloth filters are instrumental when recirculating water in greenhouse irrigation. These filters are also good for filtering pond, rain or creek water. The water to be filtered is pumped from the water source into the inlet of the filter distributing the liquid over the entire width of the filter media leaving the solids behind as the clean water flows via gravity through the filter discharging out the bottom. When the solids reach a pre-set level a sensor will initiate an index cycle and the excess media and solid waste are discharged from the filterCloth. Filters are made from stainless steel so the filter will last for many many years.
Cloth filters come in many sizes starting with 50, 100, 200, and every hundred up to 1,200 gallons per minute. Cloth is available in several weights to provide different levels of filtration. Standard cloth filters out to 28 micron ideal for filtering before UV sterilization or heat pasteurization.
For many crops this type of filtration is good enough to recirculate right back on the crop. At 28 micron we are removing a lot of the food source for pathogens. By removeing the food source you will greatly reduce pathogens feeding on them. In many regions you are required to have a zero run off system. Sand filters and screen filters require backwashing to clean them. When the cloth is used up it becomes a solid waste and meets requirements for a zero run off filter. These filters are also good for filtering pond, rain or creek water.
Think of Zwart Systems when considering a recirculation project we have been doing them for over thirty years addressing a variety of crops. Nobody does it better.