HG/T 20592  法兰盖 BL 80-10 RF2SchF027-13128SFb)-1

bL80-10RF2SchF027-13128SFb)-1

SO150-16 RF

1 M 400-1.0

DN2400-PN10 WN RF I S=16

WN350-100 RF FF44RFB)-2s1000 RF40-30h

wn25- 25rf RF Sc

WN 2"-150 RF S=3.91

WN20(A)-16 RF

WN 300(B)-16RF s=6

WN 500(B)-40 RF S=53;-900 RJF4K=1 RF S=10-16 g s=10/1.650-