[求助] 电机等级

本主题由 wanggh 于 2008-5-12 18:33 移动

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楼主大中小发表于 2008-5-12 17:00 只看该作者

电机等级

请问电机的防护等级和绝缘等级有什么区别?他们的等级又是怎么划分的?防爆等级又是怎么划分的?

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2楼大中小发表于 2008-5-13 18:52 只看该作者

class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left" align=left>危险场所区域的含义，是对该地区实际存在危险可能性的量度，由此规定其可适用的防爆型式。国际电工委员会/欧洲电工委员会划分的防爆区域为：本文章来源于:www.lanbeng-pump.net/
0区：连续地存在危险性大于1000小时/每年的区域；泵阀技术(论坛)http://www.lanbeng-pump.net
1区：断续地存在危险性10～1000小时/每年的区域；泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
2区：事故状态下存在的危险性0.1～10小时/每年的区域；泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
中国划分的有效区域和以上相同。泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
二、防爆标志解析转载请注明出处：http://www.lanbeng-pump.net
①气体组别本文章来源于:www.lanbeng-pump.net/
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<TBODY>
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典型的危险性气体</TD>
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欧洲电工标准化委员会EN50014EC</TD>本文章来源于:www.lanbeng-pump.net/
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北美NEC500条款CLASS1表气</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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中国GB-3836-1</TD>本文章来源于:www.lanbeng-pump.net/
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最小点燃能量（微焦）</TD></TR>泵阀技术(论坛)http://www.lanbeng-pump.net
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乙 炔</TD>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
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ⅡC</TD>
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A</TD>转载请注明出处：http://www.lanbeng-pump.net
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ⅡC</TD>
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20</TD></TR>泵阀技术论坛 http://www.lanbeng-pump.net
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氢 气</TD>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
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ⅡC</TD>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
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A</TD>泵阀技术论坛http://www.lanbeng-pump.net
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ⅡC</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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20</TD></TR>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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乙 烯</TD>泵阀技术(论坛)http://www.lanbeng-pump.net
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ⅡB</TD>泵阀技术论坛http://www.lanbeng-pump.net
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C</TD>本文章来源于:www.lanbeng-pump.net/
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ⅡB</TD>泵阀技术论坛 http://www.lanbeng-pump.net
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60</TD></TR>泵阀技术(论坛)http://www.lanbeng-pump.net
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丙 烷</TD>泵阀技术论坛http://www.lanbeng-pump.net
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ⅡA</TD>
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D</TD>
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ⅡA</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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180</TD></TR></TBODY></TABLE>泵阀技术论坛 http://www.lanbeng-pump.net
注:中国GB3836标准规定ⅡC级最小点燃能量为19微焦耳,ⅡA级最小点燃能量为200微焦耳。
气体分组和点燃温度,在一定环境温度和压力下与可燃性气体和空气的混合浓度有关。泵阀技术(论坛)http://www.lanbeng-pump.net
②温度组别（T组）
这是与气体点燃温度有关的电气设备（假定环境温度为<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com

ffice:smarttags" /><st1:chmetcnv w:st="on" UnitName="℃" SourceValue="40" HasSpace="False" Negative="False" NumberType="1" TCSC="0">40℃</st1:chmetcnv>时）的最高表面温度，点燃能量与点燃温度无关。在标准BS5345第一部分中列出了所有可燃性气体和其组别。本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
<DIV align=center>泵阀技术论坛 http://www.lanbeng-pump.net
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最高表面温度（℃）</TD>本文章来源于:www.lanbeng-pump.net/
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<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com

ffice:office" /><o:p> </o:p></TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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IEC79-8</TD>泵阀技术论坛http://www.lanbeng-pump.net
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450℃</TD>泵阀技术(论坛)http://www.lanbeng-pump.net
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T1</TD>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
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300℃</TD>本文章来源于:www.lanbeng-pump.net/
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200℃</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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T3</TD>转载请注明出处：http://www.lanbeng-pump.net
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T3</TD></TR>
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135℃</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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T4</TD>本文章来源于:www.lanbeng-pump.net/
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T4</TD></TR>泵阀技术论坛http://www.lanbeng-pump.net
<TR style="mso-yfti-irow: 6">泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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100℃</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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T5</TD>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
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T5</TD></TR>本文章来源于:www.lanbeng-pump.net/
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85℃</TD>
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T6</TD>泵阀技术论坛 http://www.lanbeng-pump.net
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T6</TD></TR></TBODY></TABLE></DIV>本文章来源于:www.lanbeng-pump.net/
③防爆标志泵阀技术论坛http://www.lanbeng-pump.net
以下以CENELEC氢气防爆标志为例：E Ex ia ⅡC T4
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E：按CENELEC标志认可</TD>泵阀技术(论坛)http://www.lanbeng-pump.net
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Ex：防爆公用标志</TD></TR>转载请注明出处：http://www.lanbeng-pump.net
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ia：防爆型式（本质安全）</TD>泵阀技术(论坛)http://www.lanbeng-pump.net
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Ⅱ：设备组别</TD></TR>泵阀技术论坛 http://www.lanbeng-pump.net
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C：气体组别</TD>泵阀技术(论坛)http://www.lanbeng-pump.net
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T4：温度组别</TD></TR></TBODY></TABLE>转载请注明出处：http://www.lanbeng-pump.net
④名词解释转载请注明出处：http://www.lanbeng-pump.net
隔爆型电气设备（d）：是指把能点燃爆炸性混合物的部件封闭在一个外壳内，该外壳能承受内部爆炸性混合物的爆炸压力并阻止和周围的爆炸性混合物传爆的电气设备。泵阀技术论坛 http://www.lanbeng-pump.net
增安型电气设备（e）：正常运行条件下，不会产生点燃爆炸性混合物的火花或危险温度，并在结构上采取措施，提高其安全程度， 以避免在正常和规定过载条件下出现点燃现象的电气设备。泵阀技术论坛 http://www.lanbeng-pump.net
本质安全型电气设备（i）：在正常运行或在标准试验条件下所产生的火花或热效应均不能点燃爆炸性混合物的电气设备。泵阀技术论坛 http://www.lanbeng-pump.net
无火花型电气设备 （n）： 在正常运行条件下不产生电弧或火花，也不产生能够点燃周围爆炸性混合物的高温表面或灼热点，且一般不会发生有点燃作用的故障的电气设备。本文章来源于:www.lanbeng-pump.net/
防爆特殊型（s）： 电气设备或部件采用GB3836-83未包括的防爆型式时，由主管部门制订暂行规定。送劳动人事部备案，并经指定的鉴定单位检验后，按特殊电气设备"s"型处置。泵阀技术(论坛)http://www.lanbeng-pump.net
三、防爆标准及选型泵阀技术论坛 http://www.lanbeng-pump.net
①各种防爆型式的对应标准泵阀技术论坛http://www.lanbeng-pump.net
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<TBODY>
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防爆型式</TD>转载请注明出处：http://www.lanbeng-pump.net
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在英国允许使用的场所</TD>泵阀技术论坛 http://www.lanbeng-pump.net
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中国标准GB3836</TD>
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防爆型式符号</TD>
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IEC标准79-</TD>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
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CENELEC标准 EN50</TD></TR>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
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增安型</TD>本文章来源于:www.lanbeng-pump.net/
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1或2</TD>泵阀技术论坛 http://www.lanbeng-pump.net
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3</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 78.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=105>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
e</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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7</TD>转载请注明出处：http://www.lanbeng-pump.net
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019</TD></TR>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
<TR style="mso-yfti-irow: 2">泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: black 1pt solid; WIDTH: 47.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=63>泵阀技术(论坛)http://www.lanbeng-pump.net
本质安全型</TD>泵阀技术(论坛)http://www.lanbeng-pump.net
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0，1或2</TD>泵阀技术论坛http://www.lanbeng-pump.net
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4</TD>
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ia或ib</TD>
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11</TD>本文章来源于:www.lanbeng-pump.net/
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 110.1pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=147>本文章来源于:www.lanbeng-pump.net/
020（设备）</TD></TR>转载请注明出处：http://www.lanbeng-pump.net
<TR style="mso-yfti-irow: 3">泵阀技术(论坛)http://www.lanbeng-pump.net
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隔爆型</TD>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 94.65pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=126>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
d</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
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2</TD>
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 78.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=105>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
d</TD>本文章来源于:www.lanbeng-pump.net/
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 63pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=84>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
1</TD>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 110.1pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=147>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
018</TD></TR>泵阀技术论坛 http://www.lanbeng-pump.net
<TR style="mso-yfti-irow: 4; mso-yfti-lastrow: yes">泵阀技术论坛http://www.lanbeng-pump.net
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特殊型</TD>泵阀技术论坛http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 94.65pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=126>转载请注明出处：http://www.lanbeng-pump.net
s</TD>本文章来源于:www.lanbeng-pump.net/
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 68.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=91>泵阀技术论坛http://www.lanbeng-pump.net
无</TD>泵阀技术(论坛)http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 78.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=105>
s</TD>泵阀技术(论坛)http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 63pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=84>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
无</TD>泵阀技术论坛http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 110.1pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" vAlign=top width=147>泵阀技术论坛http://www.lanbeng-pump.net
无</TD></TR></TBODY></TABLE>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
②气体爆炸危险场所用电气设备防爆类型选型表泵阀技术(论坛)http://www.lanbeng-pump.net
<TABLE class=MsoTableProfessional style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; WIDTH: 430.65pt; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-alt: solid black .75pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt" cellSpacing=0 cellPadding=0 width=574 border=1>泵阀技术(论坛)http://www.lanbeng-pump.net
<TBODY>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
<TR style="mso-yfti-irow: 0; mso-yfti-firstrow: yes">本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: black 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: black 1pt solid; WIDTH: 93.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt" width=125>泵阀技术(论坛)http://www.lanbeng-pump.net
爆炸危险区域</TD>
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适用的防护型式电气设备类型</TD>
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: black 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 99.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt" width=133>
符号</TD></TR>泵阀技术论坛http://www.lanbeng-pump.net
<TR style="mso-yfti-irow: 1">本文章来源于:www.lanbeng-pump.net/
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: black 1pt solid; WIDTH: 93.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" width=125>泵阀技术(论坛)http://www.lanbeng-pump.net
0区</TD>泵阀技术论坛http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 237.5pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" width=317>泵阀技术论坛http://www.lanbeng-pump.net
1、本质安全型（ia级）</TD>本文章来源于:www.lanbeng-pump.net/
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 99.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" width=133>泵阀技术(论坛)http://www.lanbeng-pump.net
ia</TD></TR>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
<TR style="mso-yfti-irow: 2">泵阀技术(论坛)http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: black 1pt solid; WIDTH: 93.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" width=125>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
<o:p> </o:p></TD>
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 237.5pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" width=317>
2、其他特别为0区设计的电气设备（特殊型）</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 99.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" width=133>
s</TD></TR>转载请注明出处：http://www.lanbeng-pump.net
<TR style="mso-yfti-irow: 3">
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: black 1pt solid; WIDTH: 93.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" width=125>泵阀技术论坛 http://www.lanbeng-pump.net
<o:p> </o:p></TD>泵阀技术(论坛)http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 237.5pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" width=317>本文章来源于:www.lanbeng-pump.net/
1、适用于0区的防护类型</TD>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
<TD style="BORDER-RIGHT: black 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 99.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: black 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-top-alt: solid black .75pt" width=133>泵阀技术论坛 (兰泵论坛)http://www.lanbeng-pump.net
<o:p> </o:p></TD></TR>本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
<TR style="mso-yfti-irow: 4">本文章来源于:泵阀技术论坛--http://www.lanbeng-pump.net/
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<o:p> </o:p></TD>泵阀技术论坛http://www.lanbeng-pump.net
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