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Continue to ChatASCO E290A085 - G2, NC, DN50, Operator Diameter 63mm, Entry Above Disc, Series E290 Pressure Operated Piston Valve https://www.valves-direct.com/product/asco-e290a085-g2-nc-dn50-operator-diameter-63mm-entry-above-disc-series-e290-pressure-operated-piston-valve/