GB/T 12459  异径三通 DN 450×450×150-Sch40TR

DN 450×450×150-Sch40 TR

wn20-150 rf s=2.95

wn200-600RF1001法兰 WN200-600 RF | 化工CAD

wn50(B)-63 RF S=3

wn500-16rf s=12.

so100(b)-25t

wn65(b)-16 fm s=5

wn80-25rf s=10.5 &ampampamp;amp;amp;ampampamp;ampampnbsp;

WN 150-900 RF…¡

PL100b-40RF