HG/T 20615  法兰 LWN 150-300 RF B=136

LWN 150-300 RF B=136

WN 6"-300 RF S=6.35

WN RF 16K 40A Sch40S

WN 350(B)-16 RF S=9

WN 600(A)-16 RF S=10

WN 15-300 RF Sch40S

LWN20-300RF

WN 1400-150 RF S=10 20592

WN200(A)-600 RF

wn200-300g FF Sch80SF ScFpampampa00a3/0rf1Ss-=.5 &;Jffцch40FT4amp;