forged steel flang Size: from 1/2 to 200 inch ( ... EN, JB, GB, HG, UNI, API CS,SS... forged steel flang Technics: Forged Size: from 1/2 to 200 inch (DN15-DN6000 ... Class1500, Class2500, Wnrf, Sorf, Blrf, Thrf, Swrf, Ljrf Carbon Steel FlangeDin2573 Pn6 Slip-On, Din2576 Pn10 Slip-On, Din2543 Pn16 ... separate and check the situation of pipe line; easy to seal pipe line, such as oil, petroleum, gas, chemical ...