NB/T 47022  法兰 RF 900-1.6/60 RF0000F��SCF&@/s@G5 RJScFRFN1§A 10006RFFt6RF355

47022 rf 900-1.660 RF0000F��SCF&@/s@G5 RJScFRFN1§A 10006RFFt6RF355

WN 600(B)-25 RF S=12

WN250-16FMS=940s)-2185h=122FSM35.6 RF S

WN250(B)-150RF s5-11

WN40(B)-40RFS=/d

SO 300-150 RF

WN400-600TJf25mF S400240am/Fh10d

WN200-150RJ0/

WN50-150 RF Sch40