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GB/T2550-2007与安全习惯
[ 2012-1-9 22:30:00 | By: 海波 ]
 


GB/T2550-2007《气体焊接设备 焊接、切割和类似作业用橡胶软管》标准等同翻译ISO3821:1998国际标准，它是气焊气割用增强橡胶管。虽然，属于推荐标准，但是，推荐的合情合理，不是安全技术标准提高了，而是安全生产的需要。

    过去：按照GB／T2550—91《氧气胶管》国家标准和GB／T2551—92《乙炔胶管》国家标准的规定：胶管应具有足够的抗压强度和阻燃特性。根据国家标准规定，氧气胶管为红色，工作压力容器为1.5MPa，胶管内径8mm，外径18mm；乙炔胶管为黑色，工作压力容器为0．3MPa，胶管内径8mm，外径16mm。

严重性：氧气与乙炔胶管不得相互混用和代用，不得用氧气和胶管吹除乙炔胶管的堵塞物。同时应随时检查和消除焊割炬的漏气、堵塞等缺陷，防止在胶管内形成氧气与乙炔混合气。如果发生回火倒燃进入氧气胶管时，则该胶管不可继续使用，必须换新胶管。因为回火常常将胶管的内胶层烧坏，压缩纯氧又是强氧化剂，若再继续使用，必将失去原来正常的安全性。

争议：国家标准规定的胶管颜色与国际标准（ISO）的规定(氧气胶管为黑色，乙炔胶管为红色)正好相反。同时与我国原部颁标准(HG4-605—66)氧气胶管为红色，乙炔胶管为绿色的规定也不同，而且1966年以前国产氧气胶管为黑色或绿色，乙炔胶管为红色。由此引起供应部门和使用人员的认识和习惯不一致，有关的安全教材也说法不一，容易发生胶管的混用和代用而造成事故。

统一：GB/T2550-2007《气体焊接设备 焊接、切割和类似作业用橡胶软管》标准虽然不适用高于1.5Mpa乙炔软管，但是，要求正常负荷2Mpa；明确规定外覆层颜色：氧气：蓝色；乙炔：红色；符合氧气助燃，乙炔易爆化学特性，属于合理的安全警示色，应该更适合安全操作习惯，不习惯的只是概念。

洛阳安环师：http://www.esafety.cn/blog/wll/34024/index.html 2012-01-08

 

 
 
  • 标签：安全习惯 
    •  
    Re:在漫画中识别身边的违章
    [ 2017-2-20 14:30:58 | By: bapsw(游客) ]
     
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    Re:在漫画中识别身边的违章
    [ 2016-10-23 15:23:36 | By: ejmru(游客) ]
     
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    Re:在漫画中识别身边的违章
    [ 2016-10-21 15:42:23 | By: wgwyb(游客) ]
     
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    Re:在漫画中识别身边的违章
    [ 2016-10-21 3:20:41 | By: avmqu(游客) ]
     
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    Re:在漫画中识别身边的违章
    [ 2016-10-18 4:20:02 | By: ncgjn(游客) ]
     
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    Re:在漫画中识别身边的违章
    [ 2016-10-18 1:48:51 | By: yaehk(游客) ]
     
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    Re:在漫画中识别身边的违章
    [ 2016-10-17 21:31:21 | By: wbghl(游客) ]
     
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    Re:在漫画中识别身边的违章
    [ 2016-10-15 19:29:20 | By: kvkot(游客) ]
     
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    Re:在漫画中识别身边的违章
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    Re:在漫画中识别身边的违章
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    Re:在漫画中识别身边的违章
    [ 2016-10-14 14:43:57 | By: bxpqu(游客) ]
     
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    Re:在漫画中识别身边的违章
    [ 2016-10-12 21:34:57 | By: chmos(游客) ]
     
    chmos(游客)http://www.esafety.cn/blog/wll/73171/archives/2011/119253.html
    http://www.jxedt.com/wen/qita/3170283691398922294.html
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    http://www.esafety.cn/blog/wll/66030/archives/2010/103528.html
     
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    Re:在漫画中识别身边的违章
    [ 2016-10-8 14:59:22 | By: kjzbe(游客) ]
     
    kjzbe(游客)http://www.biomart.cn/product/s?wd=%E7%8E%AF%E4%BA%9A%E6%B3%A8%E5%86%8C%E5%9C%B0%E5%9D%80952499_ebt
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    Re:在漫画中识别身边的违章
    [ 2016-10-8 14:48:09 | By: zxmim(游客) ]
     
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    原创
    [ 2016-9-30 13:16:14 | By: 原创(游客) ]
     
    原创(游客)http://njryw168.lofter.com/post/1e6983e5_c7ee4b6 http://rywkdks.lofter.com/post/1e698063_c7f605d http://rywydx.lofter.com/post/1e6a68e3_c80cdab http://njryw168.lofter.com/post/1e6983e5_c7eccb5 http://rywywj.lofter.com/post/1e6a80c3_c823295 http://njryw168.lofter.com/post/1e6983e5_c7ee1eb http://njryw168.lofter.com/post/1e6983e5_c7ee025 http://njryw168.lofter.com/post/1e6983e5_c7e88eb http://rywywj.lofter.com/post/1e6a80c3_c824891 http://rywydx.lofter.com/post/1e6a68e3_c80c847
     
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    原创
    [ 2016-9-28 18:39:41 | By: 原创(游客) ]
     
    原创(游客)http://seogsywj.lofter.com/post/1e634756_c6df51a http://ywjseo.lofter.com/post/1e634752_c64efaf http://bjseoywj.lofter.com/post/1e66bf3e_c710803 http://ywjseo.lofter.com/post/1e634752_c652c79 http://bjseoywj.lofter.com/post/1e66bf3e_c70fd59 http://ywjseo.lofter.com/post/1e634752_c652d8a http://wztgywj.lofter.com/post/1e65f473_c6ed45f http://bjseoywj.lofter.com/post/1e66bf3e_c7103ee http://ywjseo.lofter.com/post/1e634752_c64efab http://wztgywj.lofter.com/post/1e65f473_c6ea0f0
     
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    原创
    [ 2016-9-6 19:02:35 | By: 原创(游客) ]
     
    原创(游客)http://nhryw.lofter.com/post/1e5b2ab1_c403208 http://nhryw.lofter.com/post/1e5b2ab1_c403207 http://nhryw.lofter.com/post/1e5b2ab1_c403206 http://nhryw.lofter.com/post/1e5b2ab1_c403205 http://nhryw.lofter.com/post/1e5b2ab1_c403204 http://nhryw.lofter.com/post/1e5b2ab1_c403203 http://nhryw.lofter.com/post/1e5b2ab1_c403202 http://nhryw.lofter.com/post/1e5b2ab1_c403201 http://nhryw.lofter.com/post/1e5b2ab1_c403200 http://nhryw.lofter.com/post/1e5b2ab1_c4031ff
     
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    Re:GB/T2550-2007与安全习惯
    [ 2012-1-10 9:36:36 | By: xao(游客) ]
     
    xao(游客)比较认真。
     
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