HG/T 20592  法兰盖 BL 500-6 RF

BL 500-6 RF

1 CRF 600-1.6 δs=10

PL200(B)-6RF131/150 rf

WN 50-150 RF Sch160

WN 850-600 RF

1 RF 550-1.6 δs=10

1 RF 550-1.6 δs=

bL200(B)-10RF

WN20-25RFb= b= c=30 C=46 f1=40068 H=568B0R

WN450(B)-25RF S=12ot;-150 RF S=3.5 f=1.6 r=73.15 R1=5 R2=3�150RF0