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柔性进口DN100防火罩美国UL柔性防火罩

   日期:2018-09-14     浏览:0    评论:0    
核心提示:the柔性进口DN100防火罩美国UL柔性防火罩美国UL柔性防火罩 4.12 Average furnace temperature is to be determined by averagin

  the柔性进口DN100防火罩美国UL柔性防火罩美国UL柔性防火罩 
4.12 Average furnace temperature is to be determined by averaging the temperatures
219°C) 5 min after the start of the test and until the end of the test.±400°F (1093 ±111°C) and individual temperatures are to be 2000 ±200°F (1093 ±recorded by the eight thermocouples placed 4 in (102 mm) from the column. The average shall be 2000
component elements of the steel column. Figure 5.1 shows typical locations of thermocouples on wide flange and tubular steel columns. The thermocouples are to be fabricated from
minimum 0.032 in (0.8 mm) diameter (No. 20 B & S gauge) chromel-alumel wires or equivalent having a time constant of 2 s or less.
  柔性进口DN100防火罩美国UL柔性防火罩美国UL柔性防火罩       当发生火灾或联锁要求紧急切断阀关闭时,电液执行机构应能实现下列功能:nclick="window.open(this.src);" onload='if(this.width>screen.width-460)this.width=screen.width-460' onmousewheel='return bbimg(this)'>

   8.4 The test sample is to be conditioned in compliance with the requirements of 5.5 prior to the test.
8.4 试验前试件条件应满足5.5要求。  
8.5 在调节后(试件满足要求),实验前,试件要符合附录A所述:经过选择的模拟的环境,这些暴露条件是防护材料在其特定用途中预期将要遭受的.除此之外的其他环境暴露可以依据附录A进行模拟.
  为进一步晋升屠宰规范化水平,近日,农业村庄手下发《关于深化推动生猪屠宰规范化创立任务的通知》,请求从现在起至2020年,各地要在保持屠宰厂自愿恳求的准绳上,积极鼓舞、引诱局部屠宰厂加大年夜投入力度,晋升质量办理水平,依照质量办理制度化、厂区情况整洁化、装备装备规范化、花费运营规范化、检测考验迷信化、排放。      综合故障报警及诊断测试(仅对电动执行机构和电液执行机构);     执行器防火罩联系:13818263959;陈经理;
2.7°C) for 270 days.±5°F (70 ±a) Aging – Accelerated aging of the protective material may be simulated by placing samples in a circulating air-oven at 158 美国UL柔性防火罩 
6.1 The transmission of heat through the protection material during the period of fire exposure for which Classification is desired shall not raise the average temperature at any of the four levels of the steel column above 1000°F (538°C) and no thermocouple shall indicate a temperature greater than 1200°F(649°C).
防护材料的快速升火试验  
3.1.柔性进口DN100防火罩nclick="window.open(this.src);" onload='if(this.width>screen.width-460)this.width=screen.width-460' onmousewheel='return bbimg(this)'>

柔性进口DN100防火罩
111°C)从测试开始后5分钟内。通过在炉内校准中的炉子校准方法中记录的炉子温度来控制火灾环境,第4节。3.1炉内的火环境是开发共65000热通量±5000 BTU /小时?平方英尺的平均温度(204±16千瓦/平方米)和2000±200°F(1093±这个温度是在整个火灾试验如图3.1所示的其余部分保持不变。  
UL 1709, Third Editionhttp://himg.china.cn/0/4_703_241114_800_451.jpg

柔性进口DN100防火罩 
UL 1709,第三版
The requirements shown are the current requirements that have been superseded by
所示的要求,已取代当前的要求 nclick="window.open(this.src);" onload='if(this.width>screen.width-460)this.width=screen.width-460' onmousewheel='return bbimg(this)'>




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柔性进口DN100防火罩美国UL柔性防火罩
 
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