NB/T 47022  法兰 T 450-1.6/20δ1=0-60

2 T 450-1.620δ1=0-60

LF/SE 100-150 RF S=NPT

SO 125-150 RF B=134uв

so25-40GM S=3sc6ch8F S=14

PL 32(A)-10 RF10 RFRF BB=205Frf s=

bl600-150 rf c1-300 RJ Sch802´0/15185 RF RFWN8000-10

BI 2600 H=411/B= h= C=3e5/21.0/f

bl50-1500rj/=FA6C400S4rfh1A

so15