blind flange 1.manufacturer ,competive price 2.produce deponding on your requirment 3,kinds of stypes ... on flange,lap joint flange,thread flange,slip on flange,blind flange Material:carbon steel,stainless steel and alloy steel ... BS,DIN,UNI,EN,GB,AWWA,API,MSS,LWN,Orifice,8-Figure flange Size:OD up to 5000mm Pressure:75bls to 2500bls ... Zn Inspection:in-house and the third party manufacturers blind flange