NB/T 47021  法兰 RF 450-1S=26

1 RF450-1S=26

BⅠ400-S

1 RF 800-1.0 δs=8

wn250-150 rf SM.5c�t

LJ 14"-150 RF

SO 15-300 RF

SO 200b-40 FM0005w0 RSRFï؟��ذ�FFRFam@F.5 R7 RF

LWN25-150 RF B=27 H=158

WN200(B)-40FM S=

LJ 12"-150 RF5M S=6RJcM�m2RF=10.6 Sch40F ScRF�в