How Often to Change the Filter in Your Filter Press

July 15, 2022
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As with any new machine, filter presses come with a learning curve. Along with quality equipment for stone and concrete fabricators, Full Circle Water provides the education and information you need to run a successful operation. Wondering how often you should change the hydraulic filter on your filter press? We’ve got the answer.


How Often Should I Change the Filter on my Filter Press?

The short answer to this question is this: whenever you change your oil, you should also be changing your hydraulic filter. As for the long answer, how often you change the filters on your press depends on what medium is being filtered, as well as the working conditions of your filter press.

Under normal conditions, a yearly change of the hydraulic oil is appropriate, but every 2,000 filter press operating hours is a more precise rule to go by. If conditions are more run-heavy with little downtime, that figure may change. The oil filter, on the other hand, should be inspected and cleaned monthly for the most extended working window possible for your machine.


When Should the Cloths on my Filter Press be Cleaned?

Cloth life varies from machine to machine and depends on the frequency of cycles, the level of cleaning and maintenance, and the type of sludge being filtered. The number one indicator of a cloth that needs to be cleaned or replaced is the filter cake not coming out as dry as before. A continually wet and slimy filter cake indicates the cloth is no longer viable and should be cleaned. If the cloth continues to produce less than ideal filter cakes, then replacement is the next step.

There are several other issues that could arise from an uncleaned cloth. If the same cloth is used for an extended period, this can allow solids into the filtrate. If the filter press plates are leaking during the feed process, this could indicate a wrinkle or hole in the filter cloth, requiring replacement. Leaking from your filter press could also be a sign that there’s a buildup of solids on the sealing surfaces or that the hydraulic pressure is set incorrectly.

If you’re experiencing any issues such as these, Full Circle Water can help ensure you’re getting the best dewatering technology for your business. Contact Full Circle Water today for the highest quality filter press experts, and get your filter press back up, running, and making you money today!