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class="NyNewsDetail_Title">氣體防爆和粉塵防爆電機(jī)區(qū)別</h1> <div id="7jxpzhp" class="NyNewsDetail_Tips"><img src="/skins/189514/images/time3.png" />更新時(shí)間：2020-09-14 <img src="/skins/189514/images/eye1.png" />瀏覽次數(shù)：6014</div> <div id="lpz7nv5" class="NyNewsDetail_Con"> <div>　　<strong>氣體防爆和粉塵防爆電機(jī)區(qū)別</strong><br /> </div><div>　　氣體防爆電機(jī)不能在粉塵防爆電機(jī)的環(huán)境使用，應(yīng)為氣體防爆電機(jī)認(rèn)證時(shí)執(zhí)行的電氣防爆國(guó)家標(biāo)準(zhǔn)是GB3836，而粉塵防爆電機(jī)認(rèn)證時(shí)執(zhí)行的電氣防爆國(guó)家標(biāo)準(zhǔn)是GB12476，執(zhí)行的國(guó)家標(biāo)準(zhǔn)不同，所做試驗(yàn)項(xiàng)目不同，所以不能互用，如果同時(shí)符合這兩項(xiàng)標(biāo)準(zhǔn)，通過(guò)這兩項(xiàng)標(biāo)準(zhǔn)的試驗(yàn)，也就是雙標(biāo)標(biāo)志防爆電機(jī)，可以互用。<br /> </div><div>　　根據(jù)粉塵防爆電機(jī)的國(guó)標(biāo)標(biāo)準(zhǔn)編號(hào)：Gb 12476.5-2013 《可燃性粉塵環(huán)境用電氣設(shè)備》 5部分外殼保護(hù)型“tD”代表，粉塵防爆電機(jī)等級(jí)：Ex tD A20 T130°C 、Ex tD A21 T130°C、Ex tD A22 T130°C；Ex tD B20 T130°C、Ex tD B21 T130°C、Ex tD B22 T130°C使用于具有可燃性粉塵場(chǎng)所和可燃性飛絮的場(chǎng)所。<br /> </div><div>　　粉塵防爆標(biāo)準(zhǔn)：Gb 12476.5-2013 可代替老的粉塵防爆標(biāo)準(zhǔn)編號(hào)：JB T10352-2002 YFB系列粉塵防爆型三相異步電動(dòng)機(jī)，粉塵防爆等級(jí)：DIP A20、DIP A21、DIP A22；DIP B20、DIP B21、DIP B22<br /> </div><div>　　用戶可以根據(jù)自己是使用場(chǎng)所記性粉塵防爆等級(jí)的選擇，但是20區(qū)是不允許任何電機(jī)進(jìn)入的，所以21區(qū)是高級(jí)別區(qū)域，可代替22區(qū)環(huán)境使用。</div><div align="center"><img src="https://img70.gkzhan.com/2/20190407/636902435892771322866.jpg" width="500" height="500" border="0" alt="" /></div> </div> <div id="hzlnjh7" class="NyPrevNext"> <ul> <li>上一篇：<a href="/Article-257733.html">魚塘增氧高壓氣泵滿足了水產(chǎn)養(yǎng)殖的使用要求</a></li> <li><a href="/article.html"><img src="/skins/189514/images/fhlb.png" /></a></li> <li>下一篇：<a href="/Article-257040.html">全風(fēng)環(huán)形風(fēng)機(jī)的使用行業(yè)案例</a></li> </ul> </div> </div>  </div> <div id="brbvtzj" class="clear"></div> </div>   <div id="jl5zx5r" class="h_foot_box"> <div id="7tfp7bl" class="h_foot w1300 clear"> <div id="7hx7dx5" class="foot_t"> <div id="frzhdv5" class="foot_t_l"> <div 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