HG/T 20592  法兰 PL 125-16 RF d=1/

pl125-16 rf d=1/

1 RF 600-1.0 δs=62RFFh1/4.500A RF.016p@°F5@FF-R@0000OFF060SSM0 RF5h40S.@RB)-

WN 40(B)-40 RF

WN 400(B)-16 RF S=8

BI 1300

wn500-300 rf b=48816

WN 65(B)-160 RF S=1

WN 4"-150 RF Sch10S

PL 65(B)-10 RF

PL 80(B)-16 RFF S=6��RF 80ARRF