KTC正压防爆仪表、配电盘、柜、箱(IIB、IIC)
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| 型号含义 Type designation | |||||||||||||||||||||||||||||||
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| 主要技术参数 | |||||||||||||||||||||||||||||||
| 1、防爆标志：Expdem II BT4 Expdem II CT6 2、防护等级IP54(可达IP56) 3、副（柜箱）内供电220VAC±10% , 50-60HZ, 10A 4、输入气源：0.4-0.8MPa,净化空气或氮气等保护气体 5、进气口为：G1/2 6、换气量为：10-20m3/h 7、换气时间：10-30min(由防爆检测单位确定，tp=5×V/Q, tp：换气时间，V:主腔内净容量，Q:保护气体的流量） 8、耗气量为：2-8m3/h (根据盘、柜的容积和面板操作元件的多少及其密封程度而定） 9、功能指标： a)仪表、电器供电前，对盘、柜内剩余空气按启动按钮自动换气。换气结束自动维持正压值250Pa±100Pa,此时可向盘、柜内仪表、电器供电 b)盘、柜内工作正压值为250Pa±100Pa c)内部正压值＜150Pa时，自动补气 d)内部正压值＜80Pa时，自动声光报警 e)内部正压值＜50Pa时，自动切断电源（2区危险场所使用时，需此功能请注明） |
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| 1.Ex-marking:Expdem II BT4 Expdem II CT6 2.Degree of protection:IP54(to IP56) 3.Power supply in auxiliary panel (cabinet or box):220V±10%, 50-60HZ 10A 4. Input air source:0.4-0.8MPa,etc.protective gas such as purged air or nitrogen 5.Air input size:G1/2 6.Air purging capacity:10-20m3/h 7.Air purging time:10-30 min(determined by test station,Tp=5×V/Q, Tp:air purging time V:net volume of main compartment Q:capacity of protective gas) 8.Consumed gas:2-8m3/h(determined by volume of panel or cabinet,number of operating parts, and sealing condition) 9.Function indexes: a)Before meter or apparatus are energized,operate the push button to purge,at the end of air puring,maintain overpressure of 250±100Pa,then automatically supply power to meter or apparatas in panel or cabinet. b)Overpressure value in the board (Cabinet)250± 100Pa c)Overpressure value in the board(Cabinet)＜150Pa,automatically supply air d)Overpressure value in the board(Cabinet)＜80Pa,automatic alarming with sound and light e)Overpressure value in the board (Cabinet)＜50Pa,automatically disconnect power (Please refer when it used for zone 2) |
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| 表1(Table 1) | |||||||||||||||||||||||||||||||
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| 外形尺寸及示意图 Outline dimensions | |||||||||||||||||||||||||||||||
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KTC正压防爆仪表、配电盘、柜、箱(IIB、IIC)
- 发布时间：
- 2015-1-15 10:29:04
