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Continue to ChatASCO E290A392 REPLACED BY E290D3430DA0000 - G1, NC, DN25, Operator Diameter 50mm, Entry Above Disc, Bronze, Series E290 Pressure Operated Piston Valve https://www.concretespares.ie/product/asco-2-2-normally-closed-0-10-bar-bronze-operator-diameter-50mm-g1/