GB/T 12459  异径三通 DN 550×550×50-Sch120TRh10 T

DN 550×550×50-Sch120 TRh10 T

WN300(a)-63 RF5rfl=2050s00-8 Sch

wn300(a)-25fm s=1

so15-300 m6S=9M900-6.4S/ D=406 S=5h

DN 125×125×350-Sch120 TR

WN 15-600 T Sc�

WN450-300 RF B=

LWN50-300 RF B=52 H=165 HG/

PL 450(B)-40 RF80 C=7 H=352 WN

so150-150