NB/T 47022  法兰 C-RF 650-0.25/2

2 CRF 650-0.252

PL250(B)-16 RF¦45(B)-

3 CM 900-1.620δ /u00S=200

1 FF 1900-0.25022cm/BGr00RFS

bl350-10mM1F-11 r5606B

WN50-150RFs40s FF4

WN200-900 RF Sch40S16 RFF3

PL100(B)-10 RFch4

BL125-16 RFFRF76mpampa

A BL1050-300 RF/4.59´=5�žºäm5RF/52ampam