GB/T 29465  法兰 RF 0-0.6d.

DN150/PN16/11A-4fFrf70S500 Sch40S�45EM RF Sc.0/80thg1=3 b=5 RF0-0.6d.

LF/SE 50-300 RFSm

WN25-25 RF S=4.503000(b)-6FMRF S5k

PL450-25RFMFM-0HFMrnb

WN 25-300 RJ Sch120 SM Sch80

so 250-150 rfSC0-0.6-1.

wn100(B)-63 FFRF60S=

wn200- 40rf1016rfn0g/t

BL45