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JDG管(guan)為:套接緊定式鋼導管(guan)管(guan)材(cai),以(yi)其施(shi)工安裝便捷、綜合比價(jia)便宜、性(xing)能優越、規(gui)格、產品配套齊全等(deng)優點,在建筑電(dian)氣工程中(zhong)被廣泛應(ying)用。JDG管(guan)是采用優質冷(leng)軋帶(dai)鋼制(zhi)造而成,也(ye)稱為“電(dian)鍍(du)鋅電(dian)線管(guan)”,雙面鍍(du)鋅保(bao)護,壁(bi)厚(hou)均勻,JDG管(guan)壁(bi)厚(hou)有: 1.0mm、1.1mm、1. 2mm、1 .5mm、1 .6mm,5種壁(bi)厚(hou)的JDG管(guan)里面有非標(biao)/國(guo)(guo)標(biao),很多人不(bu)清楚(chu),通常(chang)地項(xiang)目較嚴需要根據規(gui)范標(biao)準進行(xing),在選用JDG管(guan)時國(guo)(guo)標(biao)壁(bi)是什么,下(xia)方說解:
根據國(guo)家標準規范(fan):《套(tao)接緊定 式(shi)鋼導管電線管路施(shi)工(gong)及驗收規程(cheng)CECS_ _120-2007》 A.0.1. 上(shang)注明(ming),JDG套(tao)接緊定式(shi)鋼
導管材除了中(zhong)(zhong)(zhong)16管國(guo)標壁厚(hou)(S)是1.5mm,中(zhong)(zhong)(zhong)20、中(zhong)(zhong)(zhong)25、 中(zhong)(zhong)(zhong)32、中(zhong)(zhong)(zhong)40、中(zhong)(zhong)(zhong)50國(guo) 標壁厚(hou)(S)為(wei)1.6mm,厚(hou)度允許(xu)偏差為(wei):+O.15mm。
1、JDG管國(guo)標壁(bi)(bi)厚(hou)標準1.6mm,其(qi)余1.2 mm;能(neng)夠有正負±0.15的下(xia)差(cha),一切厚(hou)度到(dao)達1.45以(yi)上(shang)(shang)就好了,不過目(mu)前(qian)市場上(shang)(shang)面用(yong)1.5mm的JDG管也(ye)比較(jiao)多,明敷暗敷都可用(yong),也(ye)能(neng)夠預(yu)埋用(yong)了。JDG管國(guo)標壁(bi)(bi)厚(hou)均(jun)勻在1.2-1.6mm之(zhi)間。
2、JDG管型(xing)號上已注(zhu)明直(zhi)徑(jing)與(yu)壁(bi)厚;如(ru):JDG16-1.2,JDG25-1.6;前兩位(wei)數據為直(zhi)徑(jing)后兩們為壁(bi)厚;
3、鍍鋅線(xian)管(guan)(guan)國(guo)標(biao)(biao)壁(bi)厚標(biao)(biao)準可(ke)查:電(dian)(dian)(dian)氣(qi)安裝用(yong)導(dao)管(guan)(guan)特(te)殊要(yao)求GB/T4823.1;電(dian)(dian)(dian)氣(qi)安裝用(yong)導(dao)管(guan)(guan)技術要(yao)求GB/T13381.1;套接緊(jin)定(ding)式鋼導(dao)管(guan)(guan)電(dian)(dian)(dian)線(xian)管(guan)(guan)路施工及(ji)驗。