DIN 28034-2005《非合金钢压力容器和设备预焊法兰》
This standard specifies the dimensions and designation for welding neck flanges for pressure vessels and process apparatus of non-alloy steel to be used in accordance with DIN 28030-1 and DIN 28030-2. The requirements for flanged joints are specified in DIN 28030-1, the limit deviation in DIN 28030-2.#,,#