NB/T 47022  法兰 FF 1000-1/5 K=f

2 FF 1000-15 K=f

DN150-PN16 PL RF Ⅱ

LWN20-300 RF Sch40 D=120 C=19.3 H=938

WN 200-300 RF Sch160

20615 wn150-300rf sch40

SO 6"-150 FF

SO 50-150 FF155F sch16.5 RJ@6R2

SO 150-25 RF166RJfFkh�5 RJ

BL 15-40 RF��TSRF11ScspDF5 RJf10RR)-16RSh80@4