DN1050 42 inch U type double flange butterfly valve,ASME 16.47 series A end, ductile iron body,A351 CF8M disc,gearbox operate

09-12-2020

DN1050 42 inch U type double flange butterfly valve,ASME 16.47 series A end, ductile iron body,A351 CF8M disc,gearbox operate


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