NB/T 47021  法兰 C-FF 650-1.0)-

47021 C-FF650-1.0)-

bl50-150 RF RF)-16RF0

DN 150-12 90ESF/@475400F h=1

WN200-300RFs=14t S5FM�=5311fch

WN50(B)-100RF N=52 b0u00.6Sc

SW40-150 RF3/20�

WN15-150 RF S=525Fc0d/t

PL20(B)-25 FF/0N0-1.0= FMRFRF3.

WN50-150RF S=3.91RF=5.08S=3.5516 RF0

pl100