... class 2500Sealing Surface:FF, RF, LJ, TG, FM, and R.T.J. etcMaterials:Carbon Steel: ASTM A234WPB,WPC;ASTMA420 WPL9 ... , shipbuilding, construction, etcPacking:wooden box, wooden pallet,bundle,and other packings according to the customer's requirement.Quality:According ... 1.Special design available according to requirement2.anti-corrosion and high-temperature resistant with black painting3.All the ...