NB/T 47022  法兰 T 1900-1.0/20δ1=8

2 T 1900-1.020δ1=8

PL25(B)-16 RF

SO150-25 FFR/

SO150-150RF0RFN=34

wn125(b)-40 fm-1.�CSRD=1

WN 500(B)-40 FM-4 FM130

WN 40-16 RF S=6/pampampamp;quot=/62M160/RFj&ch

BL50-16 RF

WN 600(B)-10 RFJRF-1�0.0/70-1

WN 80-2500 RF S=8(b)-63rffF HG/-4.0-1.50R