弯头 DN 200-Ⅱ-890ES00-4.0/1

DN 200-Ⅱ-8 90Es00-4.0/1

ã€bL500-16 RFD=40SS1-

pl10-16FF B=221.5 C=30 D=

SO80(a)-600RF/16 RF0(B)-1

LWN150-300 RF SCH80/

A 22000-0.25600-0.25FFRF

WN500-150 RF ASME16/

WN500-150RF B=415WN1035 HG/T20615r´=150(b)-1685

wn100(b)-150rf sch40s so-1

PL50