NB/T 47021  法兰 FM 500-1.6 δs=10

1 FM 500-1.6 δs=10

PL 50-16 RF=3 B=94L=28/60 H=120/�Fsch80f1000-0P(B)-16 RF Sch40 RF S=9hfm) RFH=87 N=50)0RF0-1.0GRF S=6a

SO 50(B)-100 RF500rj5000-fs=6-11B5010R88=66FF�G(B)-6341s1 bl450-4000sch30amp0R1000-1.6=188rf

/WN150-150 RF Sch4

pl600(B)-1