5.化肥設備用(yong)(yong)高(gao)壓無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)（GB6479-86）是適(shi)用(yong)(yong)于(yu)工作溫度為-40~400℃、工作壓力(li)為10~30Ma的(de)化工設備和(he)管(guan)(guan)(guan)(guan)(guan)道的(de)碳素結構鋼(gang)和(he)合金(jin)鋼(gang)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)。6.石(shi)油裂(lie)化用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)（GB9948-88）是適(shi)用(yong)(yong)于(yu)石(shi)油煉(lian)廠的(de)爐管(guan)(guan)(guan)(guan)(guan)、熱交換器和(he)管(guan)(guan)(guan)(guan)(guan)道無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)。7.地質(zhi)鉆(zhan)(zhan)(zhan)探(tan)用(yong)(yong)鋼(gang)管(guan)(guan)(guan)(guan)(guan)（YB235-70）是供地質(zhi)部門進(jin)行(xing)巖(yan)心(xin)(xin)鉆(zhan)(zhan)(zhan)探(tan)使用(yong)(yong)的(de)鋼(gang)管(guan)(guan)(guan)(guan)(guan)，按用(yong)(yong)途可分(fen)為鉆(zhan)(zhan)(zhan)桿(gan)、鉆(zhan)(zhan)(zhan)鋌、巖(yan)心(xin)(xin)管(guan)(guan)(guan)(guan)(guan)、套管(guan)(guan)(guan)(guan)(guan)和(he)沉(chen)淀管(guan)(guan)(guan)(guan)(guan)等(deng)。8.金(jin)剛石(shi)巖(yan)芯(xin)鉆(zhan)(zhan)(zhan)探(tan)用(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)（GB3423-82）是用(yong)(yong)于(yu)金(jin)剛石(shi)巖(yan)芯(xin)鉆(zhan)(zhan)(zhan)探(tan)的(de)鉆(zhan)(zhan)(zhan)桿(gan)、巖(yan)心(xin)(xin)桿(gan)、套管(guan)(guan)(guan)(guan)(guan)的(de)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)。

云南潤農農業節水灌溉(gai)有(you)限公司主要(yao)生產(chan)銷售(shou)節水灌溉(gai)，微噴(pen)，微灌，塑料管材(cai)，施(shi)肥器等，我們(men)有(you)的技術(shu)團(tuan)隊，完善的服務體系(xi)，灌溉(gai)管材(cai)現貨(huo)，歡迎新老客戶來電(dian)咨(zi)詢！

PVC型(xing)材產(chan)品經(jing)歷(li)了(le)導入期(qi)和高(gao)速發展(zhan)期(qi)，大理灌溉管材，從時(shi)間上看，可以分別定義(yi)為二十世紀80年代(dai)－90年代(dai)中(zhong)期(qi)和1995年－2002年左右。2003年以后，PVC型(xing)材行業(ye)進入了(le)轉型(xing)期(qi)。在產(chan)品的導入期(qi)：生(sheng)產(chan)商普(pu)遍追(zhui)求低造價，簡化了(le)門(men)窗型(xing)材斷面，灌溉管材批發，配方中(zhong)大量(liang)填充(chong)碳酸鈣(gai)，導致產(chan)品性能很低，很多質量(liang)問(wen)題的出現(xian)影響了(le)產(chan)品的推(tui)廣(guang)。

連接步(bu)驟1.夾緊且(qie)清潔(jie)端(duan)口2.調整且(qie)磨平端(duan)口3.端(duan)口對(dui)直4.施(shi)壓熔接5.卸壓冷卻(que)應用(yong)領域：■ 城(cheng)市自(zi)來水管(guan)(guan)網系(xi)統(tong)。■ 城(cheng)鄉飲(yin)用(yong)水管(guan)(guan)道(dao)(dao)。■ 城(cheng)市排(pai)污管(guan)(guan)道(dao)(dao)。■ 化(hua)(hua)工(gong)(gong)、化(hua)(hua)纖、食品、林(lin)業、印染、制(zhi)藥、輕工(gong)(gong)、造紙、冶(ye)金等工(gong)(gong)業的料液輸送管(guan)(guan)道(dao)(dao)。■ 農用(yong)灌(guan)溉(gai)管(guan)(guan)道(dao)(dao)。■ 郵電(dian)(dian)通訊(xun)線(xian)(xian)路、電(dian)(dian)力(li)電(dian)(dian)線(xian)(xian)保(bao)護套管(guan)(guan)。■ 礦(kuang)山砂漿輸送管(guan)(guan)道(dao)(dao)。■ 郵電(dian)(dian)通訊(xun)線(xian)(xian)路、電(dian)(dian)力(li)電(dian)(dian)線(xian)(xian)保(bao)護套管(guan)(guan)。