GB/T 12459  弯头 DN 300-Sch1045ELδ=6.3

DN 300-Sch10 45ELδ=6.3

1 RF 600-1.0

So350-150RF

WN 25-16 RFRF5g,s

SP-1090Stic/5/

WN 40(B)-10 RF Sch4

So 125-25 RF2-S=310014(hg/ SadM B=F0

WN15-900 RJ Sch80S=4.01=1815 dn=2500 Sch80Su0000/

WN100(B)-40 M S=8=60.3111/f/564

SOP FF 40K 20AFT20s5M B=S=14.