HG/T 20615  法兰盖 BL 100-300 Mf57-wn100-150 r

BL 100-300Mf57-wn100-150 r

SO 200(B)-300 RF=1�

PL80-6RF RF-

23FM500-1.0/64=6=4)-1

PJ/RJ 32(B)-16 RF000-104.56 D=wn40-1

PL500(B)-10 RFc3RFR D=405�(B)-12

bl150(a)-63fm=4/ S=4/1.2H1390R

SO50-150 RF B= L=1

PL300(B)-16rfSch40fm/51r80E†â€�4RFrf=