HG/T 20592  法兰盖 BL 150-40 FM00-4.0(fm)2.5RFsFF S=520.5-R@W1

wn50(A)-16 RF S

bl150-40FM00-4.0(fm)2.5RFsFF S=520.5-R@W1

WN 350(B)-16 RF00R0.6cB)-1

pl40(b)-16 rf 6ç60mfmsC15

WN100(B)-16 RF�0-1.6 B

SO 3"-150 RF3/8-f8/

WN100(B)-25 RF sch40s�

WN25(B)-40MS00-0

2 B4°so15-156L6.6/70

Bl65-150RF0SFnjs80-15�