NB/T 47022  法兰 C-G 1600-1.6/20δ1=12FF Sch40

2 CG 1600-1.620δ1=12FF Sch40

wn40-25 rffEL0-2500 FF /uh160C1.0/am

3 FF 1600-1.020δ0=10pl100(b)-10rfS=5)

bl150(b)-40 gæ³

PL125(B)-16 RF b=3jT20615

BL200-63rf80S16 RF S=1

1 FM 1000-2.5RFch80s7RF D=400 d=3EL=

A WN900-150RFforu00N40(B�0-5.54RF0-1

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