... ,ASTM,JIS,DIN 4.Certificate:ISO9001 CE API ASTM A 105N BLINDS flanges Flangesize 1/2" to 24" ... , 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47, ... F347,F310F44F51,A276 S31803, A182, F43, A276 S32750,A705 631,632,A961, A484, Alloy steel(ASTM A694 F42,F46 ... , construction, etcProducts show Products package FLANGE INSPECTION ASTM A 105N BLINDS flanges