GB/T 12459  弯头 DN 80-Sch8090ES25 RF S=650-1.00-6

DN 80-Sch80 90ES25 RF S=650-1.00-6

wn500(b)-10rf s=1140r/-ch

pl150(B)-6 Rf c=16=165/

PL350(A)-16 RF b=640=2

so350(a)-25 rf/6C0/-0ch0-2.5RF1.600Sch

PL800-6rf=61=3 S16F s

BL 50-16 RF16S=15440SS=0--0

WN 25-16 RF A=25.4 S=1.2

PL150-10RFh4=)-10rfl°wn250