GB/T 12459  异径三通 DN 65×65×15-Sch140TR

DN 15×15×65-Sch140 TR

WN 150(B)-16 T2500 RJF N

PL150(B)-16 RFF rff R2

SO600(a)-16 RF0-2.

WN 80-400 RFuotKRJ DRF

BL80B)-16 RF0rf@47020/70-

wn300-16m=1000f/@LWN

WN 40(B)-16 RF S=5

WN80-150RF B=66.95-ot;HG20h6000h

WN20-2500 RJ6RF815/5 RE-60.0/-20ch40S