In steaming lines connected to pumps and where spool pieces are provided at the pumps, the spool pieces should be removed before the steaming out. This action will eliminate expansion stress being applied to the pump nozzle or nozzles.! ^8 \3 o; I5 C, Z
这是管线在投用之前一些事项!1 v8 @& j9 g; }% _
5 s% m E! Q9 X; x/ B. ]3 P0 f[ 本帖最后由 zzpxp 于 2009-9-16 18:22 编辑 ]