NB/T 47022  法兰 C-M 350-1.6/20δ1=�RF-1.

2 CM 350-1.620δ1=�RF-1.

SO500(B)-16RFor/RF0.6h80RFRFS=

WN20(B)-25 RF S=4 �

3FM1100-4.0/TmF Sch402=10

WN 4"-300 RF Sch40

PL200(B)-16 RF B=22

wn50(B)-300RFSc0R0RF0@RJ-1671a5 RJ@4RJ RFF�RJ Sch1 Sch

WN 6"-150 FF Sch40S

PL 40(B)-16 RF

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