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 ... easy to seal pipe line, such as oil, petroleum, gas, chemical industry, nuclear power station, water and nuclear power ...