下面(mian)給(gei)(gei)大家分享幾個達(da)州PE給(gei)(gei)水管(guan)連接方法:
聚乙烯管(guan)(guan)(guan)材與管(guan)(guan)(guan)材、管(guan)(guan)(guan)材與PE管(guan)(guan)(guan)、管(guan)(guan)(guan)材與配件,以及(ji)聚乙烯管(guan)(guan)(guan)與金(jin)屬管(guan)(guan)(guan)之間(jian)的(de)連(lian)(lian)(lian)接方(fang)式(shi)很多,不同(tong)的(de)連(lian)(lian)(lian)接方(fang)式(shi)都有(you)自身的(de)優點和局限性,用(yong)(yong)戶(hu)可根據管(guan)(guan)(guan)道直徑、工作壓力、使(shi)用(yong)(yong)場所等(deng)環境,選擇合適的(de)連(lian)(lian)(lian)接方(fang)式(shi)。城鎮供水(shui)聚乙烯管(guan)(guan)(guan)道較(jiao)常(chang)用(yong)(yong)的(de)連(lian)(lian)(lian)接方(fang)式(shi)有(you):熱熔連(lian)(lian)(lian)接、電熔連(lian)(lian)(lian)接、承插式(shi)柔性連(lian)(lian)(lian)接、法蘭連(lian)(lian)(lian)接、鋼(gang)塑過(guo)渡(du)接頭連(lian)(lian)(lian)接等(deng)。
1、熱(re)熔(rong)連接
熱(re)(re)熔(rong)(rong)連(lian)接(jie)是用專用加熱(re)(re)工(gong)具,在壓力下加熱(re)(re)聚乙烯管材(cai)或管件(jian)的(de)待連(lian)接(jie)部位,使其熔(rong)(rong)融后,移走加熱(re)(re)工(gong)具,施(shi)壓將兩個熔(rong)(rong)融面連(lian)在一起,在穩定(ding)的(de)壓力下保持一段時間(jian),直到接(jie)頭冷(leng)卻。熱(re)(re)熔(rong)(rong)連(lian)接(jie)包(bao)括(kuo)熱(re)(re)熔(rong)(rong)對接(jie)連(lian)接(jie)、熱(re)(re)熔(rong)(rong)承插連(lian)接(jie)、熱(re)(re)熔(rong)(rong)鞍(an)型連(lian)接(jie)。
2、電熔(rong)連(lian)接
電(dian)(dian)熔(rong)(rong)連(lian)(lian)(lian)接(jie)(jie)是用內埋電(dian)(dian)阻(zu)絲的(de)專(zhuan)用電(dian)(dian)熔(rong)(rong)管(guan)件與(yu)PE管(guan)材或管(guan)件的(de)連(lian)(lian)(lian)接(jie)(jie)部(bu)位(wei)緊密接(jie)(jie)觸通電(dian)(dian),PE管(guan)通過內埋的(de)電(dian)(dian)阻(zu)絲加熱連(lian)(lian)(lian)接(jie)(jie)部(bu)位(wei),使其熔(rong)(rong)融連(lian)(lian)(lian)為一(yi)體,直至接(jie)(jie)頭(tou)冷卻。電(dian)(dian)熔(rong)(rong)連(lian)(lian)(lian)接(jie)(jie)可用于與(yu)不同類型(xing)和不同熔(rong)(rong)體流(liu)動速率的(de)聚乙烯管(guan)材或插口管(guan)件連(lian)(lian)(lian)接(jie)(jie)。電(dian)(dian)熔(rong)(rong)連(lian)(lian)(lian)接(jie)(jie)分為電(dian)(dian)熔(rong)(rong)承插連(lian)(lian)(lian)接(jie)(jie)和電(dian)(dian)熔(rong)(rong)鞍型(xing)連(lian)(lian)(lian)接(jie)(jie)。
3、承插(cha)式柔性連接
聚(ju)(ju)乙(yi)烯(xi)(xi)管(guan)(guan)道承插式(shi)(shi)柔(rou)性連(lian)接(jie)是參照鑄鐵管(guan)(guan)和聚(ju)(ju)氯(lv)乙(yi)烯(xi)(xi)管(guan)(guan)(PVC-U)的承插式(shi)(shi)柔(rou)性連(lian)接(jie)原理開發的一種(zhong)新型連(lian)接(jie)方式(shi)(shi),PE管(guan)(guan)是在聚(ju)(ju)乙(yi)烯(xi)(xi)管(guan)(guan)材一端(duan)焊接(jie)一個經過加固的聚(ju)(ju)乙(yi)烯(xi)(xi)承口。承插式(shi)(shi)柔(rou)性連(lian)接(jie)是將聚(ju)(ju)乙(yi)烯(xi)(xi)管(guan)(guan)材一端(duan)直(zhi)接(jie)插入管(guan)(guan)材或管(guan)(guan)件(jian)的特(te)制(zhi)的承口中(zhong),通過承口內的鎖緊(jin)環壓緊(jin)抗(kang)拉拔、橡膠密(mi)(mi)封圈壓緊(jin)密(mi)(mi)封,達到連(lian)接(jie)PE管(guan)(guan)材和管(guan)(guan)件(jian)的目的。
4、法蘭(lan)連接
法(fa)(fa)(fa)蘭(lan)(lan)連(lian)(lian)接(jie)(jie)(jie)(jie)主要用于聚(ju)乙烯管道與金屬(shu)(shu)管道或閥門、流(liu)量計、壓力表(biao)等(deng)附(fu)屬(shu)(shu)設(she)備的(de)連(lian)(lian)接(jie)(jie)(jie)(jie)。法(fa)(fa)(fa)蘭(lan)(lan)連(lian)(lian)接(jie)(jie)(jie)(jie)主要由聚(ju)乙烯法(fa)(fa)(fa)蘭(lan)(lan)連(lian)(lian)接(jie)(jie)(jie)(jie)件、鋼(gang)制或鋁(lv)制背(bei)壓活套法(fa)(fa)(fa)蘭(lan)(lan)、鋼(gang)制或鋁(lv)制法(fa)(fa)(fa)蘭(lan)(lan)片(pian)、墊片(pian)或密(mi)封圈(quan)、螺(luo)栓、螺(luo)母等(deng)組(zu)成。法(fa)(fa)(fa)蘭(lan)(lan)連(lian)(lian)接(jie)(jie)(jie)(jie)是通過緊固螺(luo)栓、螺(luo)母,使法(fa)(fa)(fa)蘭(lan)(lan)連(lian)(lian)接(jie)(jie)(jie)(jie)件與法(fa)(fa)(fa)蘭(lan)(lan)片(pian)緊密(mi)接(jie)(jie)(jie)(jie)觸,達到(dao)連(lian)(lian)接(jie)(jie)(jie)(jie)目的(de)。
5、鋼塑過渡接頭連接
鋼塑過(guo)渡接(jie)(jie)頭(tou)連接(jie)(jie)是(shi)采用(yong)通過(guo)冷壓或其它方式(shi)預制的鋼塑過(guo)渡接(jie)(jie)頭(tou)來連接(jie)(jie)聚(ju)乙烯(xi)管道和(he)金(jin)屬管道。鋼塑過(guo)渡接(jie)(jie)頭(tou)內(nei)有(you)抗拉拔的鎖緊環和(he)密封圈,通常要求其有(you)良好的密封性能和(he)抗拉拔、耐(nai)壓性能要大于系(xi)統中聚(ju)乙烯(xi)管道。
以上(shang)就是PE管(guan)的連接方式,需要注意的是嚴禁(jin)以任何(he)形式直接在聚乙烯管(guan)材、管(guan)件上(shang)車制管(guan)螺(luo)紋(wen),采用螺(luo)紋(wen)連接;嚴禁(jin)采用明火烘烤聚乙烯管(guan)材、管(guan)件,直接連接。
發展到(dao)(dao)今天,聚(ju)(ju)乙(yi)烯的(de)(de)連接技術(shu)已經(jing)非常(chang)成熟可靠。統(tong)計數字表明(ming),聚(ju)(ju)乙(yi)烯管(guan)的(de)(de)漏損率不到(dao)(dao)十萬分之二,遠(yuan)遠(yuan)低于球墨鑄鐵管(guan)的(de)(de)2-3%,大幅度提高(gao)了(le)管(guan)道的(de)(de)安全性(xing)和經(jing)濟效益,這也(ye)是燃氣管(guan)道較多(duo)的(de)(de)使(shi)用聚(ju)(ju)乙(yi)烯管(guan)的(de)(de)非常(chang)重要的(de)(de)原因。