下面給(gei)大家分享(xiang)幾個達(da)州PE給(gei)水(shui)管連接(jie)方(fang)法:
聚(ju)乙(yi)烯管(guan)(guan)(guan)材(cai)與(yu)管(guan)(guan)(guan)材(cai)、管(guan)(guan)(guan)材(cai)與(yu)PE管(guan)(guan)(guan)、管(guan)(guan)(guan)材(cai)與(yu)配件(jian),以及聚(ju)乙(yi)烯管(guan)(guan)(guan)與(yu)金屬管(guan)(guan)(guan)之(zhi)間的(de)(de)連(lian)接(jie)方式很多,不同(tong)的(de)(de)連(lian)接(jie)方式都有自(zi)身的(de)(de)優點(dian)和局限性,用戶(hu)可(ke)根據管(guan)(guan)(guan)道直徑、工(gong)作壓(ya)力(li)、使用場所(suo)等(deng)環境,選擇合適(shi)的(de)(de)連(lian)接(jie)方式。城鎮供水聚(ju)乙(yi)烯管(guan)(guan)(guan)道較(jiao)常(chang)用的(de)(de)連(lian)接(jie)方式有:熱熔連(lian)接(jie)、電(dian)熔連(lian)接(jie)、承插式柔性連(lian)接(jie)、法蘭連(lian)接(jie)、鋼塑過渡接(jie)頭連(lian)接(jie)等(deng)。
1、熱熔(rong)連接
熱(re)熔(rong)(rong)(rong)連(lian)接(jie)(jie)是用專用加熱(re)工(gong)具,在(zai)(zai)壓(ya)力(li)下加熱(re)聚乙(yi)烯管(guan)材或管(guan)件(jian)的待(dai)連(lian)接(jie)(jie)部位,使其熔(rong)(rong)(rong)融后,移走(zou)加熱(re)工(gong)具,施壓(ya)將兩個熔(rong)(rong)(rong)融面連(lian)在(zai)(zai)一(yi)起,在(zai)(zai)穩定的壓(ya)力(li)下保(bao)持一(yi)段時間,直到接(jie)(jie)頭冷卻(que)。熱(re)熔(rong)(rong)(rong)連(lian)接(jie)(jie)包括(kuo)熱(re)熔(rong)(rong)(rong)對(dui)接(jie)(jie)連(lian)接(jie)(jie)、熱(re)熔(rong)(rong)(rong)承插連(lian)接(jie)(jie)、熱(re)熔(rong)(rong)(rong)鞍型連(lian)接(jie)(jie)。
2、電熔連接
電(dian)熔連(lian)(lian)(lian)接是用(yong)內埋電(dian)阻(zu)(zu)絲(si)的(de)(de)專(zhuan)用(yong)電(dian)熔管件(jian)與PE管材(cai)或(huo)(huo)管件(jian)的(de)(de)連(lian)(lian)(lian)接部(bu)位(wei)(wei)緊密接觸通電(dian),PE管通過內埋的(de)(de)電(dian)阻(zu)(zu)絲(si)加熱連(lian)(lian)(lian)接部(bu)位(wei)(wei),使其熔融連(lian)(lian)(lian)為一體,直至接頭冷卻。電(dian)熔連(lian)(lian)(lian)接可用(yong)于(yu)與不同(tong)類型(xing)(xing)和(he)不同(tong)熔體流動速(su)率的(de)(de)聚乙烯管材(cai)或(huo)(huo)插(cha)口管件(jian)連(lian)(lian)(lian)接。電(dian)熔連(lian)(lian)(lian)接分為電(dian)熔承插(cha)連(lian)(lian)(lian)接和(he)電(dian)熔鞍型(xing)(xing)連(lian)(lian)(lian)接。
3、承插式(shi)柔(rou)性(xing)連接
聚(ju)乙烯管(guan)(guan)道承(cheng)(cheng)(cheng)插(cha)式(shi)柔性連(lian)接(jie)是參照(zhao)鑄(zhu)鐵管(guan)(guan)和聚(ju)氯乙烯管(guan)(guan)(PVC-U)的(de)承(cheng)(cheng)(cheng)插(cha)式(shi)柔性連(lian)接(jie)原理開發(fa)的(de)一種新型連(lian)接(jie)方式(shi),PE管(guan)(guan)是在(zai)聚(ju)乙烯管(guan)(guan)材一端焊接(jie)一個經(jing)過加(jia)固的(de)聚(ju)乙烯承(cheng)(cheng)(cheng)口。承(cheng)(cheng)(cheng)插(cha)式(shi)柔性連(lian)接(jie)是將(jiang)聚(ju)乙烯管(guan)(guan)材一端直接(jie)插(cha)入(ru)管(guan)(guan)材或管(guan)(guan)件的(de)特制的(de)承(cheng)(cheng)(cheng)口中,通過承(cheng)(cheng)(cheng)口內的(de)鎖緊環壓緊抗(kang)拉拔、橡(xiang)膠密封(feng)圈壓緊密封(feng),達到連(lian)接(jie)PE管(guan)(guan)材和管(guan)(guan)件的(de)目的(de)。
4、法蘭連接
法(fa)蘭連(lian)(lian)接(jie)(jie)主要(yao)(yao)用于聚(ju)乙烯(xi)管道與金屬管道或閥門、流(liu)量計、壓(ya)(ya)力表等附(fu)屬設備的連(lian)(lian)接(jie)(jie)。法(fa)蘭連(lian)(lian)接(jie)(jie)主要(yao)(yao)由聚(ju)乙烯(xi)法(fa)蘭連(lian)(lian)接(jie)(jie)件、鋼制(zhi)(zhi)或鋁制(zhi)(zhi)背壓(ya)(ya)活套法(fa)蘭、鋼制(zhi)(zhi)或鋁制(zhi)(zhi)法(fa)蘭片(pian)(pian)、墊(dian)片(pian)(pian)或密封圈、螺(luo)栓(shuan)(shuan)、螺(luo)母等組成。法(fa)蘭連(lian)(lian)接(jie)(jie)是通過緊(jin)固螺(luo)栓(shuan)(shuan)、螺(luo)母,使法(fa)蘭連(lian)(lian)接(jie)(jie)件與法(fa)蘭片(pian)(pian)緊(jin)密接(jie)(jie)觸,達到連(lian)(lian)接(jie)(jie)目的。
5、鋼塑過渡接頭(tou)連接
鋼塑(su)過(guo)(guo)渡接(jie)頭(tou)(tou)連(lian)接(jie)是采用通(tong)過(guo)(guo)冷壓或其它(ta)方式預制的鋼塑(su)過(guo)(guo)渡接(jie)頭(tou)(tou)來連(lian)接(jie)聚乙(yi)烯管道和金(jin)屬管道。鋼塑(su)過(guo)(guo)渡接(jie)頭(tou)(tou)內有(you)(you)抗(kang)拉拔的鎖緊環和密封(feng)圈(quan),通(tong)常要(yao)求(qiu)其有(you)(you)良好的密封(feng)性能和抗(kang)拉拔、耐(nai)壓性能要(yao)大(da)于系統中聚乙(yi)烯管道。
以(yi)上就是PE管的(de)連(lian)接方式,需要注意的(de)是嚴禁以(yi)任何(he)形式直接在聚乙烯管材、管件(jian)上車制管螺紋(wen),采(cai)用螺紋(wen)連(lian)接;嚴禁采(cai)用明(ming)火烘烤聚乙烯管材、管件(jian),直接連(lian)接。
發展到今天,聚(ju)(ju)乙烯的連接技(ji)術(shu)已經(jing)非常成熟可靠。統計數字表明,聚(ju)(ju)乙烯管的漏(lou)損率不到十萬分之二(er),遠(yuan)遠(yuan)低于球墨鑄鐵(tie)管的2-3%,大(da)幅度提(ti)高了管道(dao)的安全性和經(jing)濟效益,這也(ye)是燃氣(qi)管道(dao)較多的使用聚(ju)(ju)乙烯管的非常重要的原因。