GB/T 12459  异径三通 DN 1150×1150×250-Sch140TR

DN 1150×1150×250-Sch140 TR

WN25-150RFB=104n400-600rj

法兰 WN25(B)-16 RF S=106ampamSch40s762=4. f3

LF/SE 125-16 RF S=Fj/¶=12.5F102)-150RF n=h10

WN250-300RF A=273 B=rj-63 FL0.6FF0-600 FM B=

WN600-300RF B=55015 B=3325 S=

wn450(b)-16 rf b=460

wn25-4