3 B2mrf-10 RF d=

WN150-300RJ S=5s=52

wn50-25fmHG/T

PL25B-10RF D=10

so250(b)-16 rf b=5.5

asme b16.5-2017 wn200-150ff

47023FM1400-1.6/84-170

20592 wn50a-100 Rj

耳座 B5

WN 900(B)-16 RFRF S=12.5RFF)-6 RFF0-2.5

nb/t47023 fm 700-2.5/5s/@

wn150(b)-63 rf