NB/T 47022  法兰 M 1600-1.0 δ1=

2 M 1600-1.0 δ1=

LWN 20-150 RF Sch40 H=32

20615 wn50b-150rf6

WN 100(B)-40 RF S=7

so 50b-16 rf7021 C-R Sch80=兰63 20-900 RF Ssh40s04

WN25A-40RF S=5

WN125(A)-300 M12 sch/m.62000592-20090-1.

WN 100(A)-40 RF S=6

wn20(b)-16rf b=3 S=3.59PL25(B)-16

ASME