GB/T 12459  弯头 DN 40-Sch80S180ELB360Rh80f000-15

DN 40-Sch80S 180ELB360Rh80f000-15

SO25(B)-150 RF16

SO150-150RFR/6rfs=12)5RF Sch4 RFs=1/ RFT166

法兰so250(b)-16rf

3 FM 1500-2.5 δ1=16=5hg/4-100

WN 200-150 RF Sch80SF)-60pfm

PL600(B)-16 T0-110150RFFamF=3‚

WN1400(B)-16 RF S=6

wn25(a)-16m101