HG/T 20592  法兰 WN 150(B)-10 RFSch40S80S051600 RF S

WN150(B)-10RFSch40S80S051600 RF S

so600(b)-16RFR6h4s10r

SO 80(B)-16 RF

WN80-300RF Asme B�5C=2

WN15-300RF11/00-1.6hrf R

WN80-25 RF-100 RF Sch40Sm2.900 RF/15wn4500RF=10RFS=100-0.6S9MLMRJ40mpaF@5 RJSc002@F9@0 FFRJ00RJ5RF@40@6Sc2@RF RF S00-4..u22 n=12