... " 4. Type:slip on flange 5. Certificate:IS09001:2000/2008/TUV 1. ANSI 304 Slip on flange2. Material:Stainless Steel:such as ... . ANSI class 150,300,400,600,900,1500,25005. Size:1/2"-40"6. Type:Slip-on flanges, Blind flanges, Lap ... .1B12. Certificate:TUV13. ISO certificate :IS09001:2000 and ISO 9001:2008.14. Special equipment manufature license : manufacture license of special equipment ...