朔州11.25°雙承彎管廠家-高品質 <朔州>鵬瑞管業有限公司

球墨(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)敷(fu)設(she)施工工藝標(biao)準(zhun)(zhun)(zhun)球墨(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)敷(fu)設(she)施工工藝標(biao)準(zhun)(zhun)(zhun)適用(yong)(yong)(yong)范圍適用(yong)(yong)(yong)范圍本標(biao)準(zhun)(zhun)(zhun)適用(yong)(yong)(yong)于(yu)一般室(shi)外燃(ran)氣(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)，工作壓(ya)力(li)(li)不(bu)(bu)(bu)大(da)于(yu)城(cheng)鎮(zhen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)安(an)(an)裝(zhuang)(zhuang)。不(bu)(bu)(bu)適用(yong)(yong)(yong)于(yu)液化石油氣(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)。施工準(zhun)(zhun)(zhun)備(bei)施工準(zhun)(zhun)(zhun)備(bei)材(cai)(cai)料球墨(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)及管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)應(ying)(ying)符(fu)(fu)合(he)現行(xing)標(biao)準(zhun)(zhun)(zhun)《離(li)心(xin)鑄(zhu)(zhu)(zhu)造球墨(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)》和(he)《球墨(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)》的規定。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)必須(xu)有(you)(you)(you)合(he)格，且(qie)批量、批號(hao)相(xiang)符(fu)(fu)。檢查(cha)(cha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)外形(xing)(xing)(xing)尺寸是(shi)否(fou)符(fu)(fu)合(he)允許偏差(cha)且(qie)無損(sun)壞(huai)、無裂(lie)縫等。橡膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)（環）應(ying)(ying)形(xing)(xing)(xing)體完整(zheng)(zheng)、表(biao)面(mian)(mian)光滑(hua)，無老化、變形(xing)(xing)(xing)、扭(niu)曲現象。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)口(kou)(kou)(kou)(kou)(kou)(kou)密封、潤滑(hua)材(cai)(cai)料應(ying)(ying)使用(yong)(yong)(yong)合(he)格產品，并(bing)(bing)有(you)(you)(you)合(he)格證。球墨(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)運輸管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)搬運和(he)長途運輸時(shi)(shi)要(yao)(yao)(yao)(yao)妥善捆(kun)扎，每根(gen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)捆(kun)扎不(bu)(bu)(bu)應(ying)(ying)少(shao)(shao)于(yu)個部(bu)(bu)(bu)位(wei)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)兩端(duan)要(yao)(yao)(yao)(yao)嚴(yan)加保護，防止受(shou)到(dao)(dao)(dao)(dao)振動和(he)撞擊(ji)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)在裝(zhuang)(zhuang)卸(xie)過程(cheng)中(zhong)，應(ying)(ying)輕起輕放(fang)，嚴(yan)禁(jin)碰撞。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)宜(yi)采(cai)用(yong)(yong)(yong)機(ji)(ji)械裝(zhuang)(zhuang)卸(xie)，當采(cai)用(yong)(yong)(yong)人力(li)(li)裝(zhuang)(zhuang)卸(xie)時(shi)(shi)，對管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)不(bu)(bu)(bu)得(de)任意拖拽或拋(pao)摔，嚴(yan)禁(jin)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)自(zi)由滾落(luo)，禁(jin)止野蠻裝(zhuang)(zhuang)卸(xie)。球墨(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)存(cun)放(fang)應(ying)(ying)將(jiang)(jiang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)卸(xie)在靠近安(an)(an)裝(zhuang)(zhuang)現場不(bu)(bu)(bu)影響土(tu)方(fang)開挖的地(di)段，減(jian)少(shao)(shao)二次搬運，有(you)(you)(you)條件(jian)(jian)(jian)(jian)時(shi)(shi)一次入(ru)(ru)槽(cao)，沿(yan)溝槽(cao)一字排放(fang)。堆放(fang)場地(di)必須(xu)堅實(shi)平坦(tan)，不(bu)(bu)(bu)同規格的管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)應(ying)(ying)分別排放(fang)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)應(ying)(ying)平放(fang)在地(di)面(mian)(mian)上(shang)，并(bing)(bing)應(ying)(ying)采(cai)用(yong)(yong)(yong)軟質材(cai)(cai)料支撐(cheng)，離(li)地(di)面(mian)(mian)距(ju)離(li)不(bu)(bu)(bu)應(ying)(ying)小(xiao)于(yu)，支撐(cheng)物必須(xu)牢(lao)固，直(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)等長物件(jian)(jian)(jian)(jian)應(ying)(ying)做連(lian)續支撐(cheng)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)可分層堆放(fang)，并(bing)(bing)捆(kun)扎、支撐(cheng)牢(lao)固。當≤時(shi)(shi)堆放(fang)不(bu)(bu)(bu)宜(yi)超過三層；工藝流程(cheng)下(xia)(xia)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)→清理(li)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)口(kou)(kou)(kou)(kou)(kou)(kou)→清理(li)膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)、上(shang)膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)→安(an)(an)裝(zhuang)(zhuang)機(ji)(ji)具(ju)→在插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)外表(biao)面(mian)(mian)和(he)膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)上(shang)刷(shua)潤滑(hua)劑→頂推(tui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)使之(zhi)插(cha)(cha)(cha)(cha)(cha)入(ru)(ru)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)→檢查(cha)(cha)操作方(fang)法(fa)(fa)(fa)清理(li)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)口(kou)(kou)(kou)(kou)(kou)(kou)：將(jiang)(jiang)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)內(nei)(nei)的所有(you)(you)(you)雜物擦洗干凈(jing)。清理(li)膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)、上(shang)膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)：將(jiang)(jiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)上(shang)的粘著(zhu)物清擦干凈(jing)，把膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)彎(wan)為(wei)“梅花形(xing)(xing)(xing)”或“”字形(xing)(xing)(xing)裝(zhuang)(zhuang)入(ru)(ru)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)槽(cao)內(nei)(nei)，并(bing)(bing)用(yong)(yong)(yong)手沿(yan)整(zheng)(zheng)個膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)按壓(ya)一遍(bian)，或用(yong)(yong)(yong)橡皮錘砸實(shi)，確保膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)各個部(bu)(bu)(bu)分不(bu)(bu)(bu)翹不(bu)(bu)(bu)扭(niu)，均勻地(di)卡在槽(cao)內(nei)(nei)。在插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)外表(biao)面(mian)(mian)和(he)膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)上(shang)涂(tu)刷(shua)潤滑(hua)劑：將(jiang)(jiang)潤滑(hua)劑均勻地(di)涂(tu)刷(shua)在承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)安(an)(an)裝(zhuang)(zhuang)好的膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)內(nei)(nei)表(biao)面(mian)(mian)、在插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)外表(biao)面(mian)(mian)涂(tu)刷(shua)潤滑(hua)劑時(shi)(shi)要(yao)(yao)(yao)(yao)將(jiang)(jiang)插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)線以外的插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)部(bu)(bu)(bu)位(wei)全部(bu)(bu)(bu)刷(shua)勻。下(xia)(xia)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)：應(ying)(ying)按下(xia)(xia)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的要(yao)(yao)(yao)(yao)求將(jiang)(jiang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)下(xia)(xia)到(dao)(dao)(dao)(dao)槽(cao)底(di)，通常采(cai)用(yong)(yong)(yong)人工下(xia)(xia)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)法(fa)(fa)(fa)或機(ji)(ji)械下(xia)(xia)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)法(fa)(fa)(fa)。安(an)(an)裝(zhuang)(zhuang)機(ji)(ji)具(ju)設(she)備(bei)：將(jiang)(jiang)準(zhun)(zhun)(zhun)備(bei)好的機(ji)(ji)具(ju)設(she)備(bei)安(an)(an)裝(zhuang)(zhuang)到(dao)(dao)(dao)(dao)位(wei)，安(an)(an)裝(zhuang)(zhuang)時(shi)(shi)注意不(bu)(bu)(bu)要(yao)(yao)(yao)(yao)將(jiang)(jiang)已清理(li)的管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)部(bu)(bu)(bu)位(wei)再次污染。頂推(tui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)使之(zhi)插(cha)(cha)(cha)(cha)(cha)入(ru)(ru)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)：在安(an)(an)裝(zhuang)(zhuang)時(shi)(shi)，為(wei)了將(jiang)(jiang)插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)插(cha)(cha)(cha)(cha)(cha)入(ru)(ru)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)內(nei)(nei)較(jiao)為(wei)省力(li)(li)、順利。首先將(jiang)(jiang)插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)放(fang)入(ru)(ru)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)內(nei)(nei)且(qie)插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)壓(ya)到(dao)(dao)(dao)(dao)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)內(nei)(nei)的膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)上(shang)，接好鋼(gang)絲(si)(si)繩和(he)倒鏈，拉緊倒鏈；與此同時(shi)(shi)，讓人可在管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)端(duan)用(yong)(yong)(yong)力(li)(li)左右搖晃管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)，直(zhi)到(dao)(dao)(dao)(dao)插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)插(cha)(cha)(cha)(cha)(cha)入(ru)(ru)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)全部(bu)(bu)(bu)到(dao)(dao)(dao)(dao)位(wei)，承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)與插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)之(zhi)間應(ying)(ying)留(liu)左右的間隙，并(bing)(bing)保證承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)四周外沿(yan)至(zhi)膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)的距(ju)離(li)一致(zhi)(zhi)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)安(an)(an)裝(zhuang)(zhuang)：由于(yu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)自(zi)身(shen)重(zhong)量較(jiao)輕，在安(an)(an)裝(zhuang)(zhuang)時(shi)(shi)采(cai)用(yong)(yong)(yong)單根(gen)鋼(gang)絲(si)(si)繩時(shi)(shi)，容(rong)易使管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)方(fang)向偏轉(zhuan)，導致(zhi)(zhi)橡膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)被擠(ji)，不(bu)(bu)(bu)能安(an)(an)裝(zhuang)(zhuang)到(dao)(dao)(dao)(dao)位(wei)。因此，可采(cai)用(yong)(yong)(yong)雙倒鏈平行(xing)用(yong)(yong)(yong)力(li)(li)的方(fang)法(fa)(fa)(fa)使管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)平行(xing)安(an)(an)裝(zhuang)(zhuang)，膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)不(bu)(bu)(bu)致(zhi)(zhi)被擠(ji)。也(ye)可采(cai)用(yong)(yong)(yong)加長管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)的辦法(fa)(fa)(fa)，用(yong)(yong)(yong)單根(gen)鋼(gang)絲(si)(si)繩進(jin)行(xing)安(an)(an)裝(zhuang)(zhuang)。檢查(cha)(cha)：檢查(cha)(cha)承(cheng)(cheng)(cheng)(cheng)(cheng)口(kou)(kou)(kou)(kou)(kou)(kou)插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)的位(wei)置是(shi)否(fou)符(fu)(fu)合(he)要(yao)(yao)(yao)(yao)求（用(yong)(yong)(yong)鋼(gang)板尺伸入(ru)(ru)承(cheng)(cheng)(cheng)(cheng)(cheng)插(cha)(cha)(cha)(cha)(cha)口(kou)(kou)(kou)(kou)(kou)(kou)間隙中(zhong)檢查(cha)(cha)膠(jiao)(jiao)(jiao)(jiao)(jiao)圈(quan)(quan)(quan)(quan)(quan)位(wei)置是(shi)否(fou)正確到(dao)(dao)(dao)(dao)位(wei)）。

由(you)于(yu)球(qiu)墨(mo)鑄鐵管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)的柔性連(lian)接，施工(gong)操(cao)作(zuo)更加方便，提(ti)高(gao)(gao)了施工(gong)效率(lv)，改(gai)善了施工(gong)條件(jian)(jian)(jian)(jian)，降(jiang)低了施工(gong)成本(ben)(ben)(ben)，且(qie)大(da)部分界面與圍裙相連(lian)，操(cao)作(zuo)簡單，縮短(duan)了工(gong)期(qi)，降(jiang)低了施工(gong)成本(ben)(ben)(ben)。球(qiu)墨(mo)鑄鐵管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)具有(you)供水壓力(li)高(gao)(gao)、抗外力(li)、適應地(di)質條件(jian)(jian)(jian)(jian)等優點(dian)(dian)，具有(you)強度高(gao)(gao)、韌性好(hao)、耐腐蝕、界面靈活安(an)裝(zhuang)方便、抗震(zhen)、勞動強度低等優點(dian)(dian)，可(ke)應用(yong)于(yu)地(di)質條件(jian)(jian)(jian)(jian)差的地(di)區和橫貫(guan)公路，不需(xu)要(yao)另外加工(gong)鋼管(guan)(guan)(guan)(guan)(guan)，具有(you)較強的耐蝕性，可(ke)應用(yong)于(yu)濱海、鹽堿區，廣泛(fan)應用(yong)于(yu)地(di)下管(guan)(guan)(guan)(guan)(guan)線(xian)工(gong)程。大(da)型管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)安(an)裝(zhuang)工(gong)程可(ke)體現(xian)安(an)裝(zhuang)方便、勞動強度低的優點(dian)(dian)。山(shan)東球(qiu)墨(mo)鑄鐵管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)是一種高(gao)(gao)強度、高(gao)(gao)伸長(chang)性、耐沖(chong)擊、耐腐蝕、密(mi)封(feng)性好(hao)的管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)，在澆注前將(jiang)鎂(mei)或稀土(tu)(tu)鎂(mei)與金球(qiu)化(hua)劑加入鐵水中，使石墨(mo)球(qiu)化(hua)和應力(li)降(jiang)低。內(nei)壁采用(yong)水泥砂漿襯(chen)砌，改(gai)善了管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的輸水環境，提(ti)高(gao)(gao)了供水能(neng)力(li)，降(jiang)低了能(neng)耗。管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)口采用(yong)柔性接口，管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)本(ben)(ben)(ben)身具有(you)較大(da)的伸長(chang)性，使管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)具有(you)較好(hao)的柔性。它(ta)可(ke)以(yi)與埋地(di)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)周圍的土(tu)(tu)壤(rang)一起工(gong)作(zuo)，改(gai)善管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的應力(li)狀(zhuang)態，從而提(ti)高(gao)(gao)管(guan)(guan)(guan)(guan)(guan)網運(yun)行的可(ke)靠性。因此(ci)，球(qiu)墨(mo)鑄鐵管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)(jian)(jian)是我國供水行業的主(zhu)要(yao)組成份。

朔州11.25°雙承彎管廠家-高品質 <朔州>鵬瑞管業有限公司