紫銅管件（紫銅彎頭）的標準

銅(tong)(tong)(tong)(tong)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)是用(yong)(yong)于(yu)(yu)(yu)(yu)連(lian)接(jie)(jie)銅(tong)(tong)(tong)(tong)管(guan)(guan)的(de)(de)接(jie)(jie)頭(tou)(tou)(tou)(tou)(tou)。按功能分(fen)為(wei)(wei)套管(guan)(guan)接(jie)(jie)頭(tou)(tou)(tou)(tou)(tou)、異徑接(jie)(jie)頭(tou)(tou)(tou)(tou)(tou)、90°彎頭(tou)(tou)(tou)(tou)(tou)、45°彎頭(tou)(tou)(tou)(tou)(tou)、三通(tong)(tong)(tong)接(jie)(jie)頭(tou)(tou)(tou)(tou)(tou)、異徑三通(tong)(tong)(tong)接(jie)(jie)頭(tou)(tou)(tou)(tou)(tou)、四通(tong)(tong)(tong)接(jie)(jie)頭(tou)(tou)(tou)(tou)(tou)、異徑四通(tong)(tong)(tong)接(jie)(jie)頭(tou)(tou)(tou)(tou)(tou)、活接(jie)(jie)頭(tou)(tou)(tou)(tou)(tou)（閥門轉換就接(jie)(jie)頭(tou)(tou)(tou)(tou)(tou)）、法(fa)(fa)蘭(lan)、管(guan)(guan)卡。 按連(lian)接(jie)(jie)方式分(fen) 分(fen)為(wei)(wei)承插焊接(jie)(jie)、螺紋連(lian)接(jie)(jie)、 法(fa)(fa)蘭(lan)連(lian)接(jie)(jie)、新型快速鏈(lian)接(jie)(jie)。 銅(tong)(tong)(tong)(tong)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)材(cai)質分(fen)為(wei)(wei)：紫(zi)銅(tong)(tong)(tong)(tong)、黃銅(tong)(tong)(tong)(tong)、青(qing)銅(tong)(tong)(tong)(tong)。 銅(tong)(tong)(tong)(tong)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)按用(yong)(yong)途(tu)分(fen)：水管(guan)(guan)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、空調(diao)管(guan)(guan)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)、制(zhi)冷管(guan)(guan)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)。 銅(tong)(tong)(tong)(tong)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)有哪些(xie)呢? 　　1、美國(guo)(guo)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun) 　　標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)：ANSI/ASMEB16.221995/1998標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)規(gui)定(ding)(ding)了(le)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)的(de)(de)材(cai)質、尺寸及公差(cha)、機械性能的(de)(de)技術要(yao)求及檢驗方法(fa)(fa)。 　　尺寸范圍：1/4′—12′ (DN10_DN300mm) 　　管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)壁厚：只(zhi)有一(yi)個系(xi)列，適(shi)用(yong)(yong)于(yu)(yu)(yu)(yu)K、L、M三種類型的(de)(de)銅(tong)(tong)(tong)(tong)管(guan)(guan)。 　　狀(zhuang)態(tai)：硬態(tai)。 　　2、英國(guo)(guo)(歐洲)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun) 　　標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)：EN1254—1998 　　尺寸范圍：∮6—∮108 　　壁厚：只(zhi)有一(yi)種厚度適(shi)用(yong)(yong)多種壁厚銅(tong)(tong)(tong)(tong)管(guan)(guan)。 　　3、國(guo)(guo)標(biao)(biao)(biao)(biao) 　　標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun): GB/T11618—1999 　　尺寸范圍：∮6-∮219 (DN5-DN200mm) 　　壁厚：分(fen)PN1.0MPa與(yu)PN1.6MPa兩種。 知(zhi)道了(le)“銅(tong)(tong)(tong)(tong)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)有哪些(xie)呢?”，我們來介紹(shao)下銅(tong)(tong)(tong)(tong)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)的(de)(de)異同： 　　1、美標(biao)(biao)(biao)(biao)：無NSF水質認證的(de)(de)要(yao)求的(de)(de)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)可以(yi)(yi)采(cai)(cai)用(yong)(yong)青(qing)銅(tong)(tong)(tong)(tong)材(cai)質，鋅(xin)(xin)不(bu)(bu)得(de)超(chao)出16%,一(yi)般為(wei)(wei)ASTMB584C84400。成分(fen)：81%銅(tong)(tong)(tong)(tong)、9%鋅(xin)(xin)、3%錫、7%鉛(qian)。 　　2、歐標(biao)(biao)(biao)(biao)：無NSF水質認證要(yao)求的(de)(de)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)可以(yi)(yi)用(yong)(yong)采(cai)(cai)用(yong)(yong)合(he)金銅(tong)(tong)(tong)(tong)，但(dan)是不(bu)(bu)得(de)超(chao)過10%，對(dui)于(yu)(yu)(yu)(yu)含鋅(xin)(xin)超(chao)過10%的(de)(de)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)要(yao)求檢驗其抗(kang)脫鋅(xin)(xin)能力，并于(yu)(yu)(yu)(yu)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)本體刻注(zhu)其抗(kang)脫鋅(xin)(xin)等(deng)級(ji)：A或(huo)B。 　　3、國(guo)(guo)標(biao)(biao)(biao)(biao)：對(dui)于(yu)(yu)(yu)(yu)合(he)金管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)的(de)(de)材(cai)質未提出明(ming)確(que)概念。 　　備注(zhu)：1、美標(biao)(biao)(biao)(biao)與(yu)歐標(biao)(biao)(biao)(biao)均要(yao)求紫(zi)銅(tong)(tong)(tong)(tong)管(guan)(guan)或(huo)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)的(de)(de)材(cai)質為(wei)(wei)脫氧(yang)磷(lin)銅(tong)(tong)(tong)(tong)而國(guo)(guo)標(biao)(biao)(biao)(biao)未做明(ming)確(que)規(gui)定(ding)(ding);2、美標(biao)(biao)(biao)(biao)與(yu)歐標(biao)(biao)(biao)(biao)對(dui)于(yu)(yu)(yu)(yu)銅(tong)(tong)(tong)(tong)合(he)金管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)中鋅(xin)(xin)的(de)(de)含量均有限制(zhi)而國(guo)(guo)標(biao)(biao)(biao)(biao)未做明(ming)確(que)規(gui)定(ding)(ding)。 銅(tong)(tong)(tong)(tong)管(guan)(guan)件(jian)(jian)(jian)(jian)(jian)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)之公差(cha)配(pei)合(he)：公差(cha)配(pei)合(he)上(shang)美標(biao)(biao)(biao)(biao)zui嚴格(ge)，歐標(biao)(biao)(biao)(biao)次之，國(guo)(guo)標(biao)(biao)(biao)(biao)zui差(cha)。依據美國(guo)(guo)國(guo)(guo)家(jia)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)局(ju)對(dui)于(yu)(yu)(yu)(yu)3/4'管(guan)(guan)與(yu)配(pei)件(jian)(jian)(jian)(jian)(jian)的(de)(de)測試報告“BMS58”：當(dang)焊接(jie)(jie)間(jian)隙超(chao)過0.25mm時，毛細(xi)焊接(jie)(jie)(國(guo)(guo)內(nei)(nei)稱釬焊)的(de)(de)質量將難以(yi)(yi)保證。故美標(biao)(biao)(biao)(biao)以(yi)(yi)以(yi)(yi)內(nei)(nei)的(de)(de)規(gui)格(ge)配(pei)合(he)間(jian)隙均控制(zhi)在0.025—0.25mm之間(jian)。