Blind flange 1.Standard:ASME, DIN, BS, JIS, JB, GB, 2.Cert:TUV,ISO9001:2000,NK,BV 3.best quality ,good service 1.Standard:ASME, DIN, BS, JIS, JB, GB, 2.Cert:TUV,ISO9001:2000,NK,BV3.best quality,good service2011 hot selling blind flange:1.Stainless Steel Flange export to European,Japan,Koren,Iran,UAE,USA market 2.Size:1/2"~60" 3.Standard:ANSI,DIN,JISUAEStandard:ANSI B16.5,B16.47,B16.48,B16.36 4. ...