KV Controls resolved a difficult mechanical by-pass valve application in a Petro-Chemical plant. 

For years it is common to operate the mechanical by-pass valve by cracking it open to release pressure  downstream to increase pressure prior opening the Control valve, however in this application the medium was water and the valve a standard Globe valve, by only opening the valve partially , the energy become to high and the plug got broken off (water hammer?)

Our solution was a Segmented ball valve (usually used as a control valve) fitted with a Multi-Stage K-trim and down stream diffuser. 

The multi pressure stage trim reduces the pressure through various stages in the valve when opening, thus resulting cavitation free operation. 

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