NB/T 47023  法兰 C-FM 600-0.6/20δ0=10

47021 PL100-6RF)6RFFf40s6HG/T2059R591260

3 CFM 600-0.620δ0=10

LWN 80-150 RF8d=

法兰WN150-63 RFa=s f1=3.5 B=31561525RF

LWN32-300 FMRFB

SO80-40 RF/70=81Ш®В

WN15-600RJSCH40=лh100.0 ã-16rf b=2 25

WN 25-900 RF S=102.5ï¿80)(B)-16 RF0a3c0/5

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