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Zero Fugitive Emission

The Mark 74 provides long-term, leak-free performance when fugitive emissions are a primary concern. The Mark 74 offers exceptional bellows life with a valve stroke that is just a fraction of that of other rising stem valves.
The Mark V1C cage-guided, balanced trim control valve offers high pressure and tight shutoff with standard spring/diaphragm actuators. The balanced cage trim design enables this valve to handle differential pressures up to 1480 psi (102 bar) through the 6" (DN150) size.
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