HG/T 20592  法兰 WN 150(B)-16 RF S=S=5

WN 150(B)-16 RF S=S=5

WN 150-600 RF S=14.27h8/6 b=wn6005 RF=10R150 RFl150-25

pl 25(b)-2.5rf.

BL50-10RF6h80°6/m00-15.

WN300-600 RF s1hga50 RF50nW1.035b)100-16rfR)FR┐�N450-a=3=8100 RF S0rf4H40S00-S

WN15-63Md=18. b=31S=5=4

WN 50(B)-63 RF S=4erserF1