弯头 DN 25-Ⅱ-4180ES3B/FF3.

DN 25-Ⅱ-4 180ES3B/FF3.

WN20(B)-600 RF S=1.65

PL50-16RF b=3 L=18.5 d=101

BI500-F/S/

WN125-63RF d=184/0-1.0/68h402.5/20-1ww.hgcad.FSRFM0 /u0

wn15-63rf8RF.

WN125(B)-16RF/

pl20b-25fm/r-1.6/fo6 rfdr D=2475

WN80-300 RF C=33.0600M.5550RF6 RF d=700 d=6

PL2