UNI stainless steel flang Size: from 1/2 to 200 inch ... BS, JIS, EN, JB, GB, HG, UNI, API UNI stainless steel flang Technics: Forged Size: from 1/2 to 200 inch ... , Class2500, Wnrf, Sorf, Blrf, Thrf, Swrf, Ljrf Carbon Steel FlangeDin2573 Pn6 Slip-On, Din2576 Pn10 Slip-On, Din2543 Pn16 ... Plywood Case Of Outside, Linoleum And Plastic Cloth Of Inside Dampproof, or other methods according to the requirements ...