Flange system firstflange

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Our country’s current flange standards are divided into two systems, respectively PN series(European system) and Class series (American system) • ‪@flangespardal‬ ‪@ratherBweldingChris‬ ‪@weldingtipsandtricks‬ ‪@GommeBlog‬ • #flanges #GOST33259 #JISB2220 #fittings #GOST12836 #BS3293 #pipeline #GOST12821 #BS10 #welding #GOST12820 #AS2129 #SANS1123 #weld-neck#slip-on#PN#DN#Factory-direct-sales #FF #RF #TG #MFM #RJ #Type-of-flange-sealing-face #shorts • #flange-manufacturer • #MS-flange • #flange-factory • #flange-sealing • #Flange-face • #Flange-price#Flansche #flanşlar #mặt bích #brides #bridas #фланец

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