... SS Size:1/2"-40" Type:din flange Certificate:ISO9001:2000/2008/TUV forged din 2527 flangeMaterial:Stainless Steel:such as 201 ... 316,316L,321 and so on.Standard:GB,JIS,BS,DIN.ANSI/ASTM ,NF and Non standard,Size:1/2"-40 ... 40 64 and 160, 150LBS-2500LBS ,DIN2572,2502,2527,2631-2635,2642,2573,2566,etc.5K-40K and so on .Sealing ... business relationship with you in the near future . forged din 2527 flange