NB/T 47023  法兰 C-M 3000-1.6/20δ0=14F42

3 CM 3000-1.620δ0=14F42

PL200-16 RF=4760000

BL400(B)-16 RF S=8=198 f50

PL80(A)-10RFD=

BL250-150 RJ

bl50-150 rf c=10CH1=6300GFS=3-10 R/FCH40

SO 15-150 RF

2 A4=0=14Rh4000-16F P

WN80(B)-25 M S=7I/S- RF D=

WN 350(B)-63 M hg/tamph60f0=136.31RF0fm0M1400