HG/T 20592  法兰 WN 800-10 RF=6 SCH@d=3-16Ramp4B)F=3.5 RF S=3.56@RF@

WN800-10RF=6 SCH@d=3-16Ramp4B)F=3.5 RF S=3.56@RF@

pl250(b)-16m d=86ch120210

PL 300(B)-10 RF

DN300-PN25 PL/W-A T Ⅱ S=5

WN15(B)-2500FMpampS0)MRF0c

WN 20-150 RF0 S=3.0-

SW25-150 RF

SO200-900RJ00s0 /

SO 1 1/2"-150 FF8 FF0s00ot

BL600-25RF S=10RFC=8