GB/T 9124.1  法兰 DN800-PN25 PL RF Ⅱ H1=13B0FF=90.5-22(B)-(B)-16R

DN800-PN25 PL RF ⅡH1=13B0FF=90.5-22(B)-(B)-16R

47023 fm500-1.6 Г®Вҙ=45 h=10

47023 fm500-1.6 Г®Вҙ=45 h=107

PL50(B)-16RF=100000- H62 s=h400-10a=273K=2f107A406 RF3/u50HM3D

WN40B)-63M=18j-s=13 as8 s=3/�-5

WN20-150 RF0 RF Sch60= L=12�1�