HOT SALE flange 1.standard:DIN 2.Certificate:ISO9001:2000 ,API. 3.pressure:class150 ... 3.Standard: ANSI B16.5,ANSI B16.47 ,GB,DIN,JIS ,BS,EN. 4.working press: CLASS 150~ ... /PL DN10~DN2500Standard:ASME B16.5/ B16.47 ,DIN 2630,/2632/2631/2633DIN 2634/2635/2636/2637/263JIS ... CLASS 2500European Series:PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400 Applications range: ...