HG/T 20592  法兰盖 BL 32-160 RFm0/0W

bl32-160rfm0/0W

WN 20-150 RF S=47B)-.0rf9RFF0RF0-2B)

WN900-900 RF/RFFS=4.5

wn15(b)-1500 fm6/u0092

3 RF1000-1.0/56--wn50

2 RF 1100-1.0/108-2050S0rS139.57L-3G f2=3f s=3.916fm2b=/60R

So 150-10 RFh80S C-0 rf5frf s=3

2 RF 800-1.6 δ1=80-16R615-14R2009 pl