法兰 BL 600-6 RFs10(B)-10

pl250-10RFf RFF/

bl600-6 rfs10(B)-10

LWN40-150 RF B=41 H=158

wn65b-16rf5

BL 500-6 RF

WN50B-40RF S=3.5

BL150(B)-16RF36-hg/t=480s12/

PL300-10RF f1=3.5 B=327.8

WN400-300RF Sch40sc/

PL 50(B)-10 RF

bl250(b)-63 t s=10 D=6.0S7sch12020 s

1 RF 700-0.25 δs=