HG/T 20592  法兰盖 BL 1000-16 RF16Rch40u0-40 rf5Spa��RF Sch80

BL1000-16RF16Rch40u0-40 rf5Spa��RF Sch80

WN 125-600 G S

BL 25-150 RF80 C SCH(/0RF825 RF S=7.1

WN 150-25 RF S=7.11

1 FF 1700-0.2520

SO50-300 RF.5

SO 80(B)-16RF=4.5h80 B2=3430¦â0592-1b)-16 rf-1663F A

2 CT 1500-1.020δ

WN100(B)-100mF S4+s=60/r3fb