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DN200 X DN150 SCHSTD reducer product specifications 1.MATERIAL:A234-WPB.A420-WPL6.A234-WP12.A234-WP11.A234-WP5. 2. PRESSURE:Sch5-Sch160,XXS,XS,STD 3.STANDARDS: ISO, ANSI. JIS. DIN GB/T12459,GB/T13401...