HG/T 20592  法兰 SO 800-25 RF Sch40400-1.6/4s=FB)-

wso800-25 RF Sch40400-1.6/4s=FB)-

so32(b)-16fmg20vlË=06h40Sh40S A= Sch80H80I/405�80-1

PL32(A)-16 RF b=3 d=78 &ampampampampampampamp

wn32-25fm s=3.57 B=/SCH40/

so20(b)-40m3-2g/î´=840SR4a=48 d

WN40-1500 RJ50925/585-150 RF2-61780pampampampa

pl8