HG/T 20592  法兰 PL 400-6 RFhg/ RF/N B=405=5 n

WN 500-150 RF Sch40S

PL400-6RFhg/ RF/N B=405=5 n

wn50(b)- 63 fm2-20=1350=

pl100-10rf hg/t24=3 B1=

PL 150-16 rf)-40fm=8 H0=600/

LWN 50-300 RF

bi55016 r0F36 RFS=6RF S=00 RFFM150 RF Sch40

WN80(B)-16 RF80S AMSj BB=105ffS=5615-

WN350(b)-16maFF9S0-1.0/70-2