... B16.48,JIS B1503/B2220, DIN 2573 3.ISO9001, SGS, BV 300# Weld Neck flange 1. Specification Type300# Weld Neck ... flangePipe Size1/2"—72" Pressure150# ,300#, 600#, 900#,1500#, 2500#, PN16, PN25, PN40, 5K, ... cases ,wooden pallet or on customers' requestCertificateISO9001:2008, SGS,BV, etcCapacity50000tons/yearAdvantages1.Reasonable price with excellent quality2.Abundant ...