HG/T 20592  法兰盖 BL 10(B)-40 M w16f S2)-1

BL10b-40M w16f S2)-1

3 RF 800-1.0

so 250(B)-150RF=7.62

IF 32-2500 RF

DN40/PN16/05B

BL00B-10RF114150F6 R167FF

WN350(B)-16 RF

WN 150(B)-40 RF S=18

1 CRF 1600-0.25 δs=6

b WN800-300 RFpampampampampFamRF0@5 RJSchh80s01750CSch10ch607=715 L=30 n=20 d=609¼