【機械(xie)三(san)通】什么(me)是機械(xie)三(san)通 機械(xie)三(san)通和溝槽三(san)通有什么(me)區(qu)別
機械三通
機械三通與普通三通作用(yong)(yong)一致(zhi)。機(ji)(ji)械(xie)三(san)通(tong)分(fen)為溝槽(cao)機(ji)(ji)械(xie)三(san)通(tong)和螺紋機(ji)(ji)械(xie)三(san)通(tong)。它可用(yong)(yong)于直接(jie)在(zai)鋼(gang)管(guan)上接(jie)出支管(guan),在(zai)消防管(guan)道及噴淋管(guan)道的安裝上有較多應用(yong)(yong)。在(zai)需要分(fen)流(liu)(liu)或合(he)流(liu)(liu)的時(shi)候可以采(cai)用(yong)(yong)機(ji)(ji)械(xie)三(san)通(tong)。
溝槽式三通、溝槽式四通、機械三通、機械四通等管件必須采用標準規格產品;支管接頭的開孔設施必須專門的開孔機。當支管管徑不符合標準規格時,可在接出管上異徑管等轉換支管管徑。首(shou)先在鋼管上用(yong)開孔(kong)機(ji)開孔(kong),然后將機(ji)械(xie)三通(tong)卡入(ru)孔(kong)洞,孔(kong)四(si)周(zhou)由密(mi)封(feng)圈沿管壁密(mi)封(feng)。機(ji)械(xie)三通(tong)分絲接和(he)溝槽式兩種(zhong)。機(ji)械(xie)三通(tong)連接時,應(ying)檢查(cha)機(ji)械(xie)三通(tong)與孔(kong)洞的間隙,各(ge)部位應(ying)均勻,然后再緊固(gu)到位;機(ji)械(xie)三通(tong)開孔(kong)間距不應(ying)小于1m。
機械三通與溝槽三通區別
1、機械(xie)三通可用于(yu)直接在(zai)鋼管上接出支管。
2、首先在鋼管上用開孔機(ji)開孔,然后將機(ji)械(xie)三(san)通卡入(ru)孔洞(dong),孔四(si)周由(you)密封(feng)圈沿管壁密封(feng)。機(ji)械(xie)三(san)通分絲接和溝槽式兩種。
3、正三通指支管(guan)與主管(guan)成90度(du)的(de)三通。
4、溝槽(cao)式連(lian)接方式廣泛(fan)用(yong)于建筑內的消火栓(shuan)系統與(yu)噴淋系統。
支管接(jie)(jie)頭(tou)是指在(zai)直(zhi)管管道(dao)(dao)中(zhong)部開孔后連(lian)(lian)接(jie)(jie)支管的鞍(an)形(xing)拼合(he)式(shi)連(lian)(lian)接(jie)(jie)件,分(fen)為(wei)機(ji)械(xie)三(san)通(tong)(tong)(tong)和機(ji)械(xie)四(si)通(tong)(tong)(tong)兩(liang)(liang)種類型。在(zai)設計(ji)圖紙上(shang)一(yi)般不會(hui)標注出溝槽三(san)通(tong)(tong)(tong)和機(ji)械(xie)三(san)通(tong)(tong)(tong)的。機(ji)械(xie)三(san)通(tong)(tong)(tong)或機(ji)械(xie)四(si)通(tong)(tong)(tong)與支管的連(lian)(lian)接(jie)(jie)方式(shi)有溝槽式(shi)連(lian)(lian)接(jie)(jie)和螺紋式(shi)連(lian)(lian)接(jie)(jie)兩(liang)(liang)種,當(dang)支管道(dao)(dao)小(xiao)于(yu)DN50,且主(zhu)(zhu)管道(dao)(dao)直(zhi)徑大于(yu)分(fen)支直(zhi)徑2倍時可用機(ji)械(xie)三(san)通(tong)(tong)(tong)(直(zhi)接(jie)(jie)在(zai)主(zhu)(zhu)管道(dao)(dao)上(shang)開孔,噴淋支管與主(zhu)(zhu)管連(lian)(lian)接(jie)(jie)用得多(duo)),其它情(qing)況(kuang)得用溝槽三(san)通(tong)(tong)(tong)。
這里(li)的溝(gou)槽(cao)三(san)(san)(san)通(tong)(tong)就是(shi)正(zheng)(zheng)(zheng)三(san)(san)(san)通(tong)(tong)(主支管(guan)中(zhong)心線(xian)成直(zhi)角),因為(wei)不像UPVC管(guan)、鑄鐵管(guan)除(chu)正(zheng)(zheng)(zheng)三(san)(san)(san)角還有Y三(san)(san)(san)通(tong)(tong)(斜三(san)(san)(san)通(tong)(tong))、TY三(san)(san)(san)通(tong)(tong)。正(zheng)(zheng)(zheng)三(san)(san)(san)通(tong)(tong)與鍍鋅配件的三(san)(san)(san)通(tong)(tong)叫法一樣,只是(shi)鍍鋅三(san)(san)(san)通(tong)(tong)是(shi)絲扣連(lian)接(jie)(jie)(jie),而這里(li)正(zheng)(zheng)(zheng)三(san)(san)(san)通(tong)(tong)是(shi)溝(gou)槽(cao)式連(lian)接(jie)(jie)(jie),每(mei)個管(guan)道的平口端環形溝(gou)槽(cao)由(you)專門的滾槽(cao)機加工成型,與管(guan)道連(lian)接(jie)(jie)(jie)需要3副相(xiang)應規格卡箍才能完(wan)成一個接(jie)(jie)(jie)頭,適合主干管(guan)的連(lian)接(jie)(jie)(jie)。
至于機(ji)械三(san)(san)通主(zhu)管(guan)(guan)(guan)(guan)上只(zhi)需(xu)用開孔機(ji)開孔無需(xu)開槽(cao),而支(zhi)(zhi)(zhi)(zhi)管(guan)(guan)(guan)(guan)或(huo)開槽(cao)(溝槽(cao)式連(lian)(lian)接(jie)(jie))或(huo)套絲(螺(luo)紋式連(lian)(lian)接(jie)(jie)),適合主(zhu)支(zhi)(zhi)(zhi)(zhi)管(guan)(guan)(guan)(guan)間的連(lian)(lian)接(jie)(jie)(如噴淋(lin)系統的噴淋(lin)支(zhi)(zhi)(zhi)(zhi)管(guan)(guan)(guan)(guan))。另(ling)外還有(you)一(yi)種(zhong)小機(ji)械三(san)(san)通,只(zhi)是把(ba)卡(ka)箍換成了(le)U型卡(ka),這(zhe)種(zhong)小機(ji)械三(san)(san)通與(yu)支(zhi)(zhi)(zhi)(zhi)管(guan)(guan)(guan)(guan)連(lian)(lian)接(jie)(jie)還是以螺(luo)紋連(lian)(lian)接(jie)(jie)為主(zhu),可能沒有(you)溝槽(cao)連(lian)(lian)接(jie)(jie)形式。正(zheng)(zheng)三(san)(san)通一(yi)般指(zhi)三(san)(san)個(ge)(ge)接(jie)(jie)管(guan)(guan)(guan)(guan)直(zhi)(zhi)徑(jing)(jing)相(xiang)同(tong)(tong)而異徑(jing)(jing)三(san)(san)通則(ze)(ze)三(san)(san)個(ge)(ge)接(jie)(jie)管(guan)(guan)(guan)(guan)直(zhi)(zhi)徑(jing)(jing)不完全相(xiang)同(tong)(tong)。正(zheng)(zheng)三(san)(san)通用于同(tong)(tong)一(yi)直(zhi)(zhi)徑(jing)(jing)管(guan)(guan)(guan)(guan)道(dao)連(lian)(lian)接(jie)(jie)之用,異徑(jing)(jing)三(san)(san)通則(ze)(ze)用于不同(tong)(tong)直(zhi)(zhi)徑(jing)(jing)管(guan)(guan)(guan)(guan)道(dao)的連(lian)(lian)接(jie)(jie)。機(ji)械三(san)(san)通連(lian)(lian)接(jie)(jie)的支(zhi)(zhi)(zhi)(zhi)管(guan)(guan)(guan)(guan)直(zhi)(zhi)徑(jing)(jing)絕不可能等于主(zhu)管(guan)(guan)(guan)(guan)直(zhi)(zhi)徑(jing)(jing)。