NB/T 47022  法兰 FF 700-1.

2 FF 700-1.

WN32 -40 FM/40=13F/F-115F7025Ãu.0/.FM

WN80-600Rf0Smp6ampampamp1610tj010f8M-S C0F5F S=4

WN 300-150 RF STD/�

wn 25-600 RF=10./8 H=39

WN350-63G/0 AA=b00= δ0=24rff100600 n= BB=5 R

LWN 2"-1500 RF B=B=14ch60 p02RF=1700mpqh=4

WN80(B)-16