Case Study #1
PROBLEM:
An engineer developing a new piece of machinery for his company requires an air filter with an efficiency of 99.98% when challenged with 0.1 micron particles. The machine produces a large volume of air to be filtered, but does not allow for great latitude in the filter's dimensions because of space constraints. A number of units must be ready for field testing in only a few months.

SOLUTION:
Keystone Filter first determines the grade of filter media required. Material is chosen based on our knowledge that the filter will have minimal surface area, because of the space constraints, and that we want to maintain a low pressure drop while providing the desired efficiency of 99.98%. Once filter media is deter- mined, we develop the filter dimensions according to the space requirements given by the customer. In a short time, a prototype mold and filter are produced for testing on the customer's machinery.

RESULTS:
The customer confirms the filtration efficiency of their new machine by having it tested and certified by an independent laboratory. Within two weeks of approval, production tooling is completed and a short run of filters is produced.

Case Study #2
PROBLEM:
A filtration supply company serving the HVAC / HEPA industry currently purchases panel filters from a large filter manufacturer who private labels their products. They would like to manufacture their own filters, but do not have all of the equipment required to produce them.

SOLUTION:
Keystone Filter, with its advanced pleat and glue bead technology, determines that they can supply pleated filter media that offers improved performance. This will allow the company to assemble their own panel filters and in turn, reduce their costs.

RESULTS:
The company continues to purchase components from Keystone Filter and assembles the filter panels themselves.

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