Polytech’s gravity bed filters offer automatic operation and use low cost bulk roll filter media. They are well suited to applications with moderate contaminant levels. Gravity bed filters are a great, reliable filtration solution with no seal maintenance.
Applications
Creepfeed Grinding
Surface Grinding. Rough: 63 rms & Above
Surface Grinding. Medium: 32 - 16 rms
Internal & Centerless Grinding
Abrasive Belt Grinding
Cutoff Saws
How it Works
Contaminated liquid flows through non-woven synthetic filter fabric supported by the conveyor belt.
As filtered contaminants restrict the liquid flow, the liquid level rises and actuates a float switch which starts the conveyor.
Unlike so-called “deep bed filters” which utilize a submerged edge seal to prevent contaminated coolant from leaking directly into the filtered coolant tank, the filter paper contains the entire pool of liquid and filter paper is transported beneath the liquid. You get reliable filtration without seal maintenance.