JIS B2220  法兰 SOP FF 5K 25A 60-.5°FSF

SOP FF 5K 25A60-.5°FSF

PL 400-16 RF

JWN 20×40-300 RF Sch80S

1 FF 700-0.6��5 RJ0-600 RF@RF4F

WN600B-25RF S=2=4 s

WN 1 1/2"-150 RF Sch40S60-

bl600-25g0Sl=1950S6/6F

B WN 40"-150 RF B=S=11.91

DN150-PN16 SO RF I

WN 300-300 RF Schf1п�FFS