Filter Bags Progressive filter bags are manufactured under strict quality control standards through our advanced manufacturing process. Bags range in sizes from 1 to 800 micron and are available to suit a variety of applications. Monofilament mesh - this surface filtration media removes particles using its mesh structure. The fibres are thermally bonded and the mesh material does not exhibit fibre migration. Micron levels range from 15 to 800 micron. Needle felt - features a three dimensional structure of high porosity enabling high flow rate and high particle retention. High quality needle felt shows a 60-70% filtration efficiency. High quality needle felt with heat treatment surface has no fibre migration without reducing flow rate. Melt-blown non woven - multi-layer melt-blown depth filter media is made from polypropylene micro-fibre and consits of three layers. The inner layer is similar to woven polypropylenewhich maintains mechanical stability, the intermediate layer is melt-blown non woven structure with 90% porosity with an efficiency level of 90-98% with large particle retention and the external layer is structured polypropylene needle felt. This bag shows good absorption capacity of oils and hydrocarbons. Steel ring, no ring or Plastic Flange filter bags are available. All Progressive's bags are ready to use, our style of filter Progressive's plastic flange filter bag with thermal bonded plastic offers 100% filtering by absolutely preventing bypass. As the differential pressure increases the integrity of the sealing unit increases.The plastic flange is available on the polypropylene and polyester range.
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bags are sewn on the inside of the bag so that you don't have to turn the bag inside out. We also design our bags so that the bag diameter is bigger than the ring diameter, thus no tension is applied to the sewn area. This prevents any damage to the bag and ensures no bypass of liquid through the bag.