HOT SALE flange 1.standard:DIN 2.Certificate:ISO9001:2000 ,API. 3.pressure:class150~2500, 4.Type:WN,SO PL,BL,TH ... 3.Standard: ANSI B16.5,ANSI B16.47 ,GB,DIN,JIS ,BS,EN. 4.working press: CLASS 150~2500 ... steel:321,201,F304,F304L,F316,F316L,316.Size:WN DN15~DN4000SO DN10~DN1000BL/PL DN10~DN2500Standard:ASME ... B16.5/ B16.47 ,DIN 2630,/2632/2631/2633DIN 2634/2635/2636/2637/263JIS ...