GB/T 12459  翻边短节 DN 900-Sch40SLJS

DN 900-Sch40S LJS

hg=20592-2009 pl25-16rf

BBL50-16RF=8 c=23.5F Sch8r-400mamp50(B)

PL100(A)-40RFd10 r.0

3 FM 1700-4.0B=27 H=238 Sch10S2ch163.5/1501500

BL400-150 RF C=10 b=31.0/80-120€

PL40-10RFF S=3.

so400b-16g4F S=4mpampamp

WN 4"-300RF Sch12

4