... on flange,lap joint flange,thread flange,slip on flange,blind flange Material:carbon steel,stainless steel and alloy steel fange Standard:ANSI,JIS,BS,DIN ... ,UNI,EN,GB,AWWA,API,MSS,LWN,Orifice,8-Figure flange Size:OD up to 5000mm ... .oil and Zn Inspection:in-house and the third party High Quality Stainless Steel Special Forged Flange