db61 296-2002 洁净气体ig541灭火系统设计、施工、验收规范(附条文说明)

2002-05-152002-08-15IG541IG541GB150GB1527GB1528GB2270GB3639GB5099GB8162GB8163GB50116-1998kPkyypQSV303.2)100100(C-tMpmNQ457.1)(gooVVV+457.0)(gooVVV+)(gooVVV+Tpn+1·24QDpnnr21nr211+nr·2214QDpnnn+rr·211+nr·nnrr1+·21+nDfLrf=2)lg274.1(41DΔ-Tn+1=Tn426102897.0DQ×××(21211+-nnrr)Tn+1——IG541KTn——IG541KccPpQr40mJIG541IG54115150barJ-1-150barIG541202000barJ-1-200bark