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GOST12821 Flange Dimensions

welding neck flanges of carbon steel in GOST 12821-80 PN 6-PN160

welding neck flanges of carbon steel in GOST 12821-80 PN 6-PN160

JS FITTINGS produce standard GOST flanges, and export to Russia, Belarus, Ukraine, etc

Model:GOST 12821-80/GOST 33259-2015