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Engine Components Manufacturer Recycles Expensive Quench Polymer -- A Real World Documented Case Study
16th October, 2005

How self-cleaning filter reduced an engine component manufacturer's product rework and scrap, while permitting a better reuse of their expensive quench polymer. All this while significantly cutting their labor costs.

(PRWEB) October 19, 2005 -- SITUATION: An engine components manufacturer using an in-line strainer to clean quench polymer had a problem. As rust and scale collected in the strainer, the flow of quench polymer was being reduced. As a result, the product was not being completely quenched and had to be reworked or scrapped, which added to their waste.

Based on these criteria, the engine components manufacturer installed a Ronningen-Petter (RPA Process Technologies), self-cleaning filter to completely remove rust and scale, while allowing the quench polymer to flow freely.

How does this filter work?
With the DCF self-cleaning filter, process water enters the top inlet and passes through the screen. The screen holds any particles over 50-microns while cleaned water leaves through the bottom outlet. A cleaning disc moves up and down the filter screen, removing debris. With the aid of the downward fluid flow and the disc movement, the debris is deposited in a holding chamber at the bottom of the filter housing and regularly purged through a valve at the bottom of the chamber.

As a result, rework and scrap were drastically reduced, and the quench polymer recycle rate was significantly increased.

In addition, labor costs and downtime were significantly reduced due to the ease with which a filter can be cleaned compared to breaking the piping and cleaning an in-line strainer.

by Ask Filter Man

For questions about industrial filtration, please visit the Ask Filter Man at

If you would like to discuss this filtration solution with one of RPA Process Technologies highly-trained Applications Specialists, please contact us at

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