To assist our customers with correct selection of filter cloths, our engineer has summarized the following frequently asked questions about the filter cloth. We know that the FAQs can't meet all customers' questions and problems. If you encounter confusing problems, please contact us freely.
How can I clean filter cloths?
Cautions should be taken when clean the filter cloths with chemical solutions. Polypropylene fabric is compatible with caustic and acid cleaning. However, nylon and polyester fabric should be given special cleaning solutions.
What should I do to make filter fabric work longer?
As an important part of filtration, filter cloth determines the filtration efficiency. Usually, the service life of filter fabric will be shortened by chemical attack and mechanical abrasion. Please send us the detailed operating conditions for our best recommendations.
What is the correct way of filter cloth storage?
Synthetic filter fabrics can be stored to indefinite duration in theory, for they will not be affected by mildew or insects. However, polypropylene should be stored inside for it will degrade under ultraviolet light.
When should I replace my filter cloth?
Provided the filter cloth to be replaced performs well. When filter cycle becomes longer and the filter cake is getting wetter, the filter cloth should be replaced.
We have some cage bodies that have collapsed, with broken welds and bent wires, causing our bags to wear. What could have caused this to happen? The cages have been weakened by corrosion, or your pressures have exceeded cage strength. Perhaps maintenance has been rough?
We suggest you work with us to replace with a standard cage, check operating conditions to reduce differential pressure, and check maintenance for any re-training requirements.
We have bag failure due to excess fabric slack pinching above the top ring or below the bottom ring. Why would this happen?
Some of our bags have internal abrasion marks along the vertical wires. What is this from?
This could be caused from deeply pitted cage wires due to corrosion, or an oversized bag.We suggest you with us to replace with a new galvanized cage, or replace with a new bag of correct size.
The bags are difficult to remove from their cages. Why?
Corrosion can cause rough surfaces increasing friction between the bag and cage.We suggest you work with us to replace with a new standard cage.
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Boegger Industrial Limited
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