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鍍鋅管分為冷鍍鋅管和熱鍍鋅管。 初鍍鋅鋼管作為水管使用,鍍鋅鋼管的表面為熱浸鍍鋅或電鍍鋅的焊接鋼管。 鍍鋅可以提高鋼管的耐腐蝕性,并延長其使用壽命。
鍍鋅管(guan)的使用注意事(shi)項:
1、材料(liao)準備:鍍鋅鋼管(或(huo)電(dian)線管)壁厚均勻(yun),焊(han)縫均勻(yun),無劈裂(lie)、砂眼、棱刺和(he)凹扁現(xian)(xian)(xian)象(xiang)。除鍍鋅管外(wai)其(qi)它(ta)管材需預先除銹刷(shua)防(fang)腐(fu)漆(埋入現(xian)(xian)(xian)澆(jiao)混凝(ning)土時(shi),可不刷(shua)防(fang)腐(fu)漆,但應(ying)除銹)鍍鋅管或(huo)刷(shua)過防(fang)腐(fu)漆的鋼管外(wai)表層完(wan)整,無剝落現(xian)(xian)(xian)象(xiang),應(ying)具(ju)有產(chan)品材質單和(he)合格證;
2、切割(ge)(ge)(ge)加工:鋼管(guan)(guan)(guan)切割(ge)(ge)(ge)常用(yong)鋼鋸、割(ge)(ge)(ge)管(guan)(guan)(guan)器(qi)、無齒鋸、砂輪切割(ge)(ge)(ge)機進(jin)行切管(guan)(guan)(guan),將需要切斷(duan)(duan)的管(guan)(guan)(guan)子長(chang)度量準確,放在鉗口(kou)內卡牢固,斷(duan)(duan)口(kou)處(chu)平齊不歪斜,管(guan)(guan)(guan)口(kou)刮銑光滑(hua),刺,管(guan)(guan)(guan)內鐵屑(xie)除凈(jing)將管(guan)(guan)(guan)子用(yong)臺虎鉗或龍門壓架鉗緊(jin)牢固,再把絞板(ban)套在管(guan)(guan)(guan)端,均勻用(yong)力不得過猛,隨套隨澆冷(leng)卻液(ye),絲(si)扣不亂不過長(chang),消(xiao)除渣(zha)屑(xie),絲(si)扣干凈(jing)清(qing)晰(xi)管(guan)(guan)(guan)徑(jing)20mm及(ji)其以下時,應分二板(ban)套成;管(guan)(guan)(guan)徑(jing)在25mm及(ji)其以上時,應分三(san)板(ban)套成。管(guan)(guan)(guan)子切斷(duan)(duan)后,管(guan)(guan)(guan)口(kou)應磨光,打掉毛刺飛邊;
3、鍍鋅管安裝:鍍鋅鋼管Ф≤50采用絲接,Ф>50采用法(fa)蘭盤(pan)連接。施工(gong)前檢驗管材(cai)及(ji)管件(jian)是(shi)否符合(he)設(she)(she)計要求(qiu)和(he)現行(xing)(xing)標準(zhun)的(de)規定,并具有出(chu)廠合(he)格證,材(cai)質等(deng)級與設(she)(she)計所采用的(de)管子(zi)應(ying)(ying)一(yi)致,管道表面應(ying)(ying)無裂紋、縮孔、夾渣、折疊、重皮等(deng)缺陷,管道及(ji)管件(jian)尺寸偏差應(ying)(ying)符合(he)現行(xing)(xing)標準(zhun)要求(qiu);
4、管(guan)(guan)(guan)(guan)路敷(fu)(fu)設與連接:管(guan)(guan)(guan)(guan)路敷(fu)(fu)設:水平或(huo)垂直(zhi)敷(fu)(fu)設明配管(guan)(guan)(guan)(guan)允許偏差(cha)值,管(guan)(guan)(guan)(guan)路在2m以內時,偏差(cha)為3mm,全長不應超過(guo)管(guan)(guan)(guan)(guan)子(zi)(zi)內徑的1/2a檢查管(guan)(guan)(guan)(guan)路是(shi)否(fou)暢通,內側(ce)有刺(ci),鍍鋅層或(huo)防銹漆是(shi)否(fou)完(wan)整無損,管(guan)(guan)(guan)(guan)子(zi)(zi)不順直(zhi)者應調直(zhi)b敷(fu)(fu)管(guan)(guan)(guan)(guan)時,先將(jiang)管(guan)(guan)(guan)(guan)卡一端(duan)的螺絲(si)擰(ning)進一半,然后(hou)將(jiang)管(guan)(guan)(guan)(guan)敷(fu)(fu)設在管(guan)(guan)(guan)(guan)卡內,逐(zhu)個擰(ning)牢使用(yong)鐵(tie)支架(jia)時,可(ke)將(jiang)鋼管(guan)(guan)(guan)(guan)固定在支架(jia)上(shang),不許將(jiang)鋼管(guan)(guan)(guan)(guan)焊接在其它(ta)管(guan)(guan)(guan)(guan)道(dao)上(shang)。
深圳市億(yi)富興線(xian)管橋架實業有限公司(si)專注鍍(du)鋅(xin)線(xian)管/鍍(du)鋅(xin)金屬線(xian)管/JDG管/KBG管的生產廠家,主營產品有:鍍(du)鋅(xin)信管,JDG管,KBG管,熱鍍(du)鋅(xin)線(xian)管,穿線(xian)管等(deng),規格(ge)齊全(quan),備貨充足(zu)。