GB/T 12459  异径三通 DN 450×450×300-Sch120TR

DN 300×300×450-Sch120 TR

1 m400-1.61=50R

WN25-2500 RJ XXS S=9.09470ä5rf-

wn50(b)-40rf s=3

wn80(a)-100rf a=7355 δ1=RFs=F/=1.1 C01 S

LF/SE250-150RF

PL 200(B)-16 RF8501400-1-600rj& S6mP

PL350-16RF f1=4 d=438 b=5f/0i1

SO25-150 RF B=3M S=1H=200