HG/T 20592  法兰盖 BL 150-6 T-1642schf42 HFch140 RC1.0 s-116 r

BL150-6T-1642schf42 HFch140 RC1.0 s-116 r

pl300(b)-10 RF6/ S=6h140./

PL 100(B)-16 RF0(b)-10r

法兰 WN 40-150 RF S=5

wn150-150 rfã40rfsch450B-f100/422

1 RF 600-1.02S=5a=78 b=4

PL32B-6FFScR021F S=740FM0)-422m=1

SO 200-300 RFRF 2/u000-1690.4/4R00-F1