HG/T 20592  法兰 WN 50(B)-16 M804 H=g/1=1.6 H=38.4FSch8

wn50(B)-16 M804 H=g/1=1.6 H=38.4FSch8

LWN 150-1500 RF

wn100-150 fm sch40120S110617

BL50(B)-150RFRFFfH=2500-66 δ0r

wn150-300 rfw0 ff16 RF1.0 RF0=61.1-1.60(B)-/6RF S/RFF b0-G

SO150(B)-40T06ž�

WN400-150 RF-1f/A=325 k=84

WN 25(B)-100 RJ S=4

5 CRF 1