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Continue to ChatASCO E290B053 REPLACED BY E290D0450SA0000 - G1, NC, DN25, Operator Diameter 63mm, Series E290 Pressure Operated Piston Valve https://www.concretespares.ie/product/asco-2-2-normally-closed-0-10-bar-stainless-steel-operator-diameter-63mm-g1/