NB/T 47023  法兰 C-T 450-0.6/20δ0=14wn350-60S0

3 CT 450-0.620δ0=14wn350-60S0

BL15-600 RF

PL 100(B)-40 RF

WN 500-900 RF S=24

PL65(B)-16RF b=35F0-2h4010 rfg6S00F)30-N20S=136.3

pl50-16m5640-2500-17= RFh.29.B405910

BI 800-10 RF B=

WN40-16RF Sch4-016RFRF50Rb pl00(B)-11.h6CH80Srf–Γ s=1080

WN300-30