NB/T 47023  法兰 C-G 650-0.6/20δ0=2

3 CG 650-0.620δ0=2

wn32(a)-16rf Sch40/rfL=14/0

tha3300

PL200-40FMJRS=57B)F/F�f00 rf schc=200 RF0 RF2-0 R03

So25(B)-10 RF

PL 200(B)-6 RF

PL125(a)-16RF1557RF-6RF1

WN 20-300 RF Sch100cH80S/0c2/u00bb pl300(b)300 RFh2 b

SO 150-150RF0n 300-1507

WN 3&quo