弯头 DN 450-Sch4090ES WN

DN 450-Sch40 90ES WN

TPB-5

wn400-16rf a

WN600(B)-16 FM S=10 内/

wn200-150rf s/

wn1800-10 fm0fm1

so40-150rff

WN40-150 RF Sch40 S=5.6

PL250(B)-10rf2mm25 s=10SCH8

wn32(b)-40RF0 RF(B)-40 RF0-0.60 RF S=1216 RF

wn50-300rf2.64RF b=4/R0.hg0/5

WN32(B)-16 R