Micronics specializes in liquid-solid separation. In a nutshell, the dewatering process occurs under high pressure with the slurry pressure provided by the feed pump. Irrespective of the filter press manufacturer, the function of the filter press framework is really to hold the filter plate pack together against the pressures building up in the chambers during the dewatering process.
Micronics’ filter presses are rugged and robust in their construction and the filter frame’s strength is designed (rated) for a certain operating pressure. As a rule of thumb, filter presses are generally designed for either of two working pressures, 100 psi (7 bar) or 250 psi (15 bar).
You should absolutely read the operating manual for your filter press to ensure you do not exceed the pressure that your filter press framework (skeleton) was designed for. If you have a filter press that is designed for 100 psi, the framework is not designed for 125 psi or 150 psi. Over-pressurization can be potentially catastrophic to your filter plates and/or to your hydraulic system.
So the short answer to the questions of whether you may feed slurry through your press at a higher feed pressure than its rating is NO.
Micronics’ pressure filtration experts will work closely with you to improve operational efficiencies in your filter press operation including filter cloth recommendations and filter plate recommendations for your specific performance requirements and achieving uniform, consistent filter cakes.
Contact us to learn more about Micronics’ pressure filtration expertise for your applications.