... " to 80" (DN15 to DN20005)Special designavailable as the requirements of customer6)Certificates: the TUV CERT ,ISO9001 - 2000, WO , PED.7)Standard ... , DIN, JIS, HG, GB, JG, BS.8)All the flanges are according to the ASTM, BS, DIN, JIS, EN, GB and customer ... to AD -Merkblatt WO/TRD100 and PED. We have approved the audit of ISO9001-2000 . If you have demand in our ...