B16.5 A105N cl3000 weld neck RF Flange 1.Type: WNRF, SO, ... SS 3.Size: 1/2"-60" 4.Certificate:ISO B16.5 A105N cl3000 weld neck RF Flange1.Type: WNRF, SO,SW ... "NB. DN15– DN1200Standard: ASME ANSI, JIS DIN GBPressure Ratings: Class 150, 300, 600, 900, 1500 and2500.Pressure Ratings: PN 6, PN ... newest inquiry; we will offer you our best price. B16.5 cl3000 weld neck RF Flange