HG/T 20592  法兰 WN 60-10 FF10091./4.900-1.6/ RF100 rf0sw40f,100-46045f

WN 60-10 FF10091./4.900-1.6/ RF100 rf0sw40f,100-46045f

WN150-600RF sch40s s=16ampampampquotHG20615

SO 400-150 FF)78

WN400-600RFf S=4 C=20pl3

WN 250-300 RFj8.21=2.5 b=

LWN150-300 RF B=154 H=421FS0-16

BL40-16 RF B=52 H=269e100-f/@A

LWN80-300 RF B=77.