HG/T 20592  法兰盖 BL 500-25 M-15/p/606150oFMX

BL500-25M-15/p/606150oFMX

pl500(B)-6FF´0 RF R

WN200-150 RF Sch40 wn40-150rf sch80.6/ b=97 b=4

EHA2600*3/.F0/27.7-2B=5824980SFTfch400-

WN 1-1/2"-150 RF Sch

bl300-150 ff l=1/f c=3

DN 15×15×80-Sch80S TR

wn50(b)-300 rf sch40/п╟п÷п╒п┴п