德标法兰标准2543(德标法兰标准尺寸表PN25)
不锈钢法兰常用标准国标GB911288GB9113·188~GB9123·3688美标ANSIB165,ANSI1647Class1503006009001500THLJSW日标JIS5K10K16K20KPLSOBL德标DIN2527254325452566。设计标准DIN3352结构长度DIN3202F4F...
不锈钢法兰常用标准国标GB911288GB9113·188~GB9123·3688美标ANSIB165,ANSI1647Class1503006009001500THLJSW日标JIS5K10K16K20KPLSOBL德标DIN2527254325452566。设计标准DIN3352结构长度DIN3202F4F...