GB/T 12459  异径三通 DN 350×350×350-Sch160TR

DN 350×350×350-Sch160 TR

WN 100(B)-63 RF S=866 FF0 FM S=1crFF4-10

WN20-300TS=3. d=278水Mu505RF16html.fm-11

HG/T20615 SO80-150RF65.Sch4060086-185F=5-60

wn250-300rj0-0.TS

pl80-10rf16FF ScX=10929

WN 50(B)-10 RF S=3.5

WN 32(B)-16 RF S=30- C=2

WN25(A)