NB/T 47022  法兰 RF 450-1.0/2

2 RF 450-1.02

LJ 5"-300 LT SchjF-R�

WN100-25RJ STS5 RJ2A5JF Sc

5M700-1.

3 B2S.0c

WN250-900 RJ s

BL20)-63 RF

SO25B-25RF vs1

PL 550-40 MA 1000F167.5 RJ RF SF8SsF40s2/h400R5 RJ

WN150-63RfaF0005N�10R@4MRF@RF0 rj s=9.15F0RF=F S=3.7�amp;amp;amp;