... DIN 2573 3.ISO9001, SGS, BV 150# Weld Neck flange 1. Specification Type150# Weld Neck flangePipe Size1/2"—72" Pressure150# , ... , 25barStandardANSI B 16.5, ANSI B16.45, JIS B2220, DIN2633,ASME , ASTM,,JIS , DIN , EN,MaterialQ235, 20#, ... clients requestPackagePlastic film, wooden cases ,wooden pallet or on customers' requestCertificateISO9001:2008, SGS,BV, etcCapacity50000tons/yearAdvantages1.Reasonable ...