NB/T 47022  法兰 RF 1500-1.6/20δ1=16 L

2 RF 1500-1.620δ1=16 L

WN150-100RJ6 RF SO300(B)-16RFSc-660 R

WN 80(B)-25 RF.0/5

BL150-25RF04.= C=537.5�=0b500-150 R/RF b=6

WN150-150 RF Sch40 S=4 A=1680432/72O650-RFRF RF

WN 80(B)-40 FM S=8├

pl80(b)-10 rf gb/t91

WN50(B)-16 M S=6/-s=3 不/

BL500