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Continue to ChatASCO E290A390 REPLACED BY E290D3230DA0000 - G1/2, NC, DN15, 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-g1-2/