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The Enardo Series ES-850 represents the latest development in high performance enhanced sealing tank venting products with a leakage rate not to exceed 0.1 SCFH at 90% of the set point. This valve provides pressure vacuum relief for applications that require vapors to be piped away rather than released to the atmosphere while maintaining a safe internal working pressure and reducing fugitive emissions by a factor of up to 10 times less than similar valves that conform to the industry standard leakage rate of 1 SCFH at 90%
