NB/T 47022  法兰 RF 000-0.25

NB/T47022 RF000-0.25

WN 50-150 RF

WN 100(B)-16 RF S=3

PL 80(B)-10 RF@B

SO 4"-150 RF

47023 RF1500-1.0 δ000 LFM�

SO 3/4"-600 RF

SP-1

SOH MF-F 20K 65A

BL80-16RF RF B=96.52 1400Ar_shaF&@��@RF@4 Rc60-6=16f G49/FF PL RF IIF51@F5500m6ASTM=1