Cavitation Control for Dirty Service
Introducing two Fisher® cavitation control technologies ideal for dirty service applications: DST trim and NotchFlo™ DST valve. These technologies allow entrained particulate to pass, while resisting cavitation damage in severe liquid flow conditions. In addition to these two Fisher cavitation control technologies, Fisher Cavitrol™ III trim with improved sealing technologies is available for applications where plug tip erosion and seal wear are issues.

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Fisher® DST Trim
Fisher Dirty Service Trim (DST) is a multi-stage (2, 3, 4, 5, or 6 stage) anti-cavitation trim used with a variety of control valves. Learn more>> |

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Fisher NotchFlo DST Valve
NotchFlo DST valve with 3-, 4-, and 6-stage NotchFlo anti-cavitation server service trim offer control of high pressure drop liquids (up to 4200 psi) while avoiding the damaging effects of cavitation. Learn more>> |
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Cavitrol III Trim with Improved Sealing Technology
The improved sealing technologies for the Fisher Cavitrol III trim include the protected inside seat and an improved pressure balance seal. Together, both extend the sealing life of the trim by addressing plug tip erosion and seal wear from entrained particulate. Learn more>> | |
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