HOT SALE flange 1.standard:JIS 2.Certificate:ISO9001:2000 ,API. 3.pressure:class150~2500, 4. ... relation. 1.Material;carbon steel ,alloy steel ,stainless 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 ... CLASS 600, CLASS 900, CLASS 1500, CLASS 2500European Series:PN 2.5, PN 6, PN 10, PN 16, PN 25, ...