NB/T 47022  法兰 RF 900-1.

2 RF 900-1.

WN 150-900 RJ Sch40S Sch40S40SR R3.5 D=105 WN.00.o

wn25-600rjsch40s-150SCh80

wn32(b)-16rfs=30RF16cm6

47023 c-fm900-1F B=743F

PL150-25RFB Sch40 S=5Sch40S8201

WN 100(B)-16 RF S=61460 TR00sf sch

IF50-25 M50-150rfB=42 Y=/f hg/ b1=150/0b-.

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