... steel . 2.Size:DN15-DN1000. 3.Standard: ANSI B16.5,ANSI B16.47 ,GB,DIN,JIS ,BS,EN. 4.working ... press: CLASS 150~2500,PN2.5~400 Production: flangeType:WN/SO/PL/BL/TH/SW/LFMaterial ... WN DN15~DN4000SO DN10~DN1000BL/PL DN10~DN2500Standard:ASME B16.5/ B16.47 ,DIN 2630,/2632/2631/2633DIN 2634/2635 ... 900, CLASS 1500, CLASS 2500European Series:PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63 ...