T/CECS125-2020建筑給水鋼塑復(fù)合管管道工程技術(shù)規(guī)程·1·目次1總則.....................................................................................................(1)2術(shù)語....................................................................................................(2)3管材選擇與連接.......................................(3)3.1一般規(guī)定 (3)3.2管材選擇 (4)3.3連接方式 (4)4水力計(jì)算..............................................(6)4.1沿程水頭損失計(jì)算 (6)4.2局部水頭損失計(jì)算 (7)5防凍、保溫及管道補(bǔ)償..................................(8)5.1防凍 (8)5.2保溫隔熱 (8)5.3管道補(bǔ)償 (9)6管道安裝..............................................(11)6.1一般規(guī)定 (11)6.2螺紋連接 (14)6.3法蘭連接 (15)6.4溝槽連接 (16)6.5承插連接 (18)6.6涂塑復(fù)合鋼管雙金屬焊接連接 (20)6.7壓接式連接 (21)6.8運(yùn)輸及儲(chǔ)存 (23)7驗(yàn)收....................................................................................................(24)附錄A鋼塑復(fù)合管水力計(jì)算表...........................(26)·2·本規(guī)程用詞說明 (45)引用標(biāo)準(zhǔn)名錄 (46)附：條文說明 (47)·1·1總則1.0.1為規(guī)范建筑給水鋼塑復(fù)合管管道工程的技術(shù)要求，做到技術(shù)先進(jìn)、安全衛(wèi)生、經(jīng)濟(jì)合理、確保質(zhì)量，制定本規(guī)程。1.0.2本規(guī)程適用于民用與工業(yè)建筑中輸送生活飲用水、飲用凈水、溫度在70℃以下的熱水等供水系統(tǒng)的設(shè)計(jì)、施工和驗(yàn)收。1.0.3建筑給水鋼塑復(fù)合管管道工程的設(shè)計(jì)、施工及驗(yàn)收，除應(yīng)執(zhí)行本規(guī)程外，尚應(yīng)符合國家現(xiàn)行有關(guān)標(biāo)準(zhǔn)的規(guī)定?！?·2術(shù)語2.0.1鋼塑復(fù)合管 steelpipesofcomplexplastic以鋼管為基管，在鋼管內(nèi)側(cè)、外側(cè)或內(nèi)外兩側(cè)表面黏結(jié)上塑料防腐層的鋼塑復(fù)合產(chǎn)品。鋼塑復(fù)合管分為襯塑復(fù)合鋼管、涂塑復(fù)合鋼管、外覆塑復(fù)合鋼管。2.0.2襯塑復(fù)合鋼管 steelpipesofliningplastic以鋼管為基管，在鋼管內(nèi)壁粘襯薄壁塑料管的鋼塑復(fù)合管。2.0.3涂塑復(fù)合鋼管 coatingplasticsteelpipe以鋼管為基管，在鋼管內(nèi)側(cè)、外側(cè)或內(nèi)外兩側(cè)表面熔融一層塑料粉末的鋼塑復(fù)合管。2.0.4外覆塑復(fù)合鋼管 externalcoatingplasticsteelpipe以鋼管為基管，在鋼管外表面覆塑熔融的膠黏劑和熔融的塑料層的鋼塑復(fù)合管。2.0.5承插式連接 socketconnection在管子端部滾壓出承口與插口，把插口端插入承口端并以橡膠密封圈止溢的連接方式。2.0.6壓接式連接 pressconnection由機(jī)械壓接迫使鋼管、管件、密封圈變形而獲得的連接方式。2.0.7雙金屬焊接 weldingtechnologyofbimetalcompositepipe鋼塑管或鋼塑對(duì)焊管件端部內(nèi)襯不銹鋼圈，不銹鋼圈向外伸出鋼塑管或伸出鋼塑對(duì)焊管件端面，成為對(duì)接焊接坡口的底面，在施工現(xiàn)場(chǎng)進(jìn)行對(duì)接焊的連接方式?！?·3管材選擇與連接3.1一般規(guī)定3.1.1給水系統(tǒng)采用的鋼塑復(fù)合管管材，應(yīng)符合下列規(guī)定：1襯塑復(fù)合鋼管應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《鋼塑復(fù)合管》GB／T28897的有關(guān)規(guī)定。2涂塑復(fù)合鋼管應(yīng)符合國家現(xiàn)行標(biāo)準(zhǔn)《鋼塑復(fù)合管》GB／T28897和《給水涂塑復(fù)合鋼管》CJ／T120的有關(guān)規(guī)定。3壓接式碳鋼涂塑復(fù)合鋼管應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《壓接式碳鋼連接管材及管件》CJ／T433的有關(guān)規(guī)定。3.1.2給水系統(tǒng)采用的鋼塑復(fù)合管管件應(yīng)符合下列規(guī)定：1襯塑可鍛鑄鐵管件應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《給水襯塑可鍛鑄鐵管件》CJ／T137的有關(guān)規(guī)定。2襯塑復(fù)合鋼管件應(yīng)符合國家現(xiàn)行標(biāo)準(zhǔn)《鋼塑復(fù)合管》GB／T28897和《給水襯塑可鍛鑄鐵管件》CJ／T137的有關(guān)規(guī)定。3涂塑復(fù)合鋼管件、涂塑球墨鑄鐵管件、涂塑鑄鋼管件應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《給水涂塑復(fù)合鋼管》CJ／T120的有關(guān)規(guī)定。4各類管件應(yīng)采取符合現(xiàn)行國家標(biāo)準(zhǔn)《生活飲用水輸配水設(shè)備及防護(hù)材料的安全性評(píng)價(jià)標(biāo)準(zhǔn)》GB／T17219衛(wèi)生規(guī)定的端面保護(hù)措施；用于輸送生活飲用水時(shí)，與飲用水直接接觸的管道及管件材料應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《生活飲用水輸配水設(shè)備及防護(hù)材料的安全性評(píng)價(jià)標(biāo)準(zhǔn)》GB／T17219的有關(guān)規(guī)定。5溝槽連接管件應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《溝槽式管接頭》CJ／T156的有關(guān)規(guī)定。6壓接式涂塑管件應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《壓接式碳鋼連接管材及管件》CJ／T433的有關(guān)規(guī)定?！?·7涂塑鋼塑復(fù)合管雙金屬焊接的焊條和焊絲選擇、焊接工藝應(yīng)符合現(xiàn)行協(xié)會(huì)標(biāo)準(zhǔn)《內(nèi)襯（覆）不銹鋼復(fù)合鋼管管道工程技術(shù)規(guī)程》CECS205的有關(guān)規(guī)定。8管道連接中所用的橡膠密封圈應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《橡膠密封件給、排水管道及污水管道用接口密封圈材料規(guī)范》GB／T21873、《橡膠制品的公差第1部分：尺寸公差》GB／T3672.1、《橡膠管道接口用密封圈制造質(zhì)量的建議疵點(diǎn)的分類與類別》GB／T17604的有關(guān)規(guī)定。3.2管材選擇3.2.1當(dāng)管道系統(tǒng)工作壓力不大于1．0MPa時(shí)，宜采用涂（襯）塑焊接鋼管、壓接式碳鋼涂塑管、可鍛鑄鐵襯塑管件、壓接式連接管件。3.2.2當(dāng)管道系統(tǒng)工作壓力大于1.0MPa且不大于1.6MPa時(shí)，宜采用涂（襯）塑焊接加厚鋼管、可鍛鑄鐵襯塑螺紋管件或球墨鑄鐵涂（襯）塑管件。3.2.3當(dāng)管道系統(tǒng)工作壓力大于1.6MPa且不大于2.5MPa時(shí)，應(yīng)采用涂（襯）塑的無縫鋼管、電熔焊焊接鋼管、無縫鋼管管件或鑄鋼涂（襯）塑管件。3.2.4水溫大于40℃的管道系統(tǒng)中，應(yīng)采用內(nèi)襯交聯(lián)聚乙烯（PE-X）、氯化聚氯乙烯（PVC-C）的鋼塑復(fù)合管和內(nèi)襯聚丙烯（PP-R）、氯化聚氯乙烯（PVC-C）的管件。當(dāng)采用橡膠圈密封時(shí)，應(yīng)采用耐熱橡膠密封圈。3.3連接方式3.3.1室內(nèi)架空管道公稱尺寸小于或等于DN50時(shí)宜采用螺紋連接、壓接式連接；公稱尺寸小于或等于DN100時(shí)宜采用螺紋連接、壓接式連接或溝槽式連接；公稱尺寸大于DN100時(shí)宜采用法蘭或溝槽式連接、雙金屬焊接；公稱尺寸大于或等于DN150時(shí)也·5·可采用承插式連接、溝槽式連接、法蘭連接、雙金屬焊接。水泵房內(nèi)管道宜采用法蘭連接。3.3.2埋地的鋼塑復(fù)合管管道可采用螺紋、法蘭、溝槽連接。當(dāng)公稱尺寸大于或等于DN150時(shí)，連接方式可采用帶有橡膠密封圈的承插柔性接口。當(dāng)管道外壁無防腐塑層時(shí)，管道外壁應(yīng)按現(xiàn)行國家標(biāo)準(zhǔn)《建筑給水排水及采暖工程施工質(zhì)量驗(yàn)收規(guī)范》GB50242的有關(guān)規(guī)定采取防腐措施。3.3.3當(dāng)管道系統(tǒng)工作壓力不大于1.0MPa時(shí)，連接方式可采用螺紋、承插柔性接口或壓接式連接；當(dāng)管道系統(tǒng)工作壓力大于1.0MPa且不大于1.6MPa時(shí)，連接方式可采用螺紋、法蘭、承插柔性接口或溝槽式連接；當(dāng)管道系統(tǒng)工作壓力大于1.6MPa且不大于2.5MPa時(shí)，連接方式可采用法蘭或溝槽式連接。·6·4水力計(jì)算4.1沿程水頭損失計(jì)算4.1.1鋼塑復(fù)合管的單位長度水頭損失可按下式計(jì)算：i=105C式中：：i-單位長度水頭損失(kPa/m)qg 設(shè)計(jì)流量Ch- -海澄-威廉系數(shù)，取dj- -管道計(jì)算內(nèi)徑（m），內(nèi)涂塑復(fù)合鋼管為鋼管內(nèi)徑減內(nèi)面涂塑層厚度，內(nèi)襯塑復(fù)合鋼管為鋼管內(nèi)徑減2倍內(nèi)襯塑層厚度。涂塑復(fù)合鋼管內(nèi)面涂塑層最小厚度按表4.1.1-1采用，內(nèi)襯塑復(fù)合鋼管內(nèi)襯塑料層厚度按表4.1.1-2采用；涂（襯）塑復(fù)合管的單位長度水頭損失按本規(guī)程附錄表4.1.1-1涂塑復(fù)合鋼管內(nèi)面涂塑層最小厚度（mm）公稱尺寸DN1520253240506580100125150200~300最小厚度聚乙烯0.40.50.6環(huán)氧樹脂0.30.35表4.1.1-2內(nèi)襯塑復(fù)合鋼管內(nèi)襯塑料層厚度（mm）公稱尺寸DN1520253240506580100125150200250~300內(nèi)襯塑料層厚度1.52.02.53.04.1.2當(dāng)水溫高于10℃時(shí)，鋼塑復(fù)合管的單位長度水頭損失應(yīng)按水溫乘以表4.1.2的溫度修正系數(shù)。修正系數(shù)可采用內(nèi)插法計(jì)算。·7·表4.1.2水頭損失溫度修正系數(shù)水溫（℃）10203040506070修正系數(shù)1.00.940.900.860.820.790.774.1.3建筑給水鋼塑復(fù)合管采用承插連接時(shí)的管道水力計(jì)算應(yīng)符合現(xiàn)行協(xié)會(huì)標(biāo)準(zhǔn)《給水排水工程埋地承插式柔性接口鋼管管道技術(shù)規(guī)程》T／CECS492的有關(guān)規(guī)定。4.2局部水頭損失計(jì)算4.2.1對(duì)螺紋連接內(nèi)襯塑可鍛鑄鐵管件的配水管段的局部水頭損失可按沿程水頭損失乘以局部水頭損失系確定。局部水頭損失系可按表4.2.1規(guī)定采用。表4.2.1局部水頭損失系數(shù)給水管網(wǎng)類型局部水頭損失系數(shù)生活給水管網(wǎng)30%~40%生活與生產(chǎn)合用給水管網(wǎng)25%~30%4.2.2對(duì)法蘭、螺紋、壓接式、承插式、雙金屬或溝槽式連接涂（襯）塑鋼管件的給水系統(tǒng)，局部水頭損失可按沿程水頭損失的10％～20％計(jì)算。·8·5防凍、保溫及管道補(bǔ)償5.1防凍5.1.1室外埋地鋼塑復(fù)合管應(yīng)埋設(shè)在冰凍線以下300mm處。5.1.2室外明露或室內(nèi)可能冰凍場(chǎng)所安裝后應(yīng)進(jìn)行外保溫，保溫層外應(yīng)加設(shè)防護(hù)措施。5.2保溫隔熱5.2.1室內(nèi)明敷熱水管道應(yīng)采取保溫隔熱措施。在有可能結(jié)露的場(chǎng)所宜采取防結(jié)露措施。5.2.2室內(nèi)嵌墻管道的保溫材料厚度，應(yīng)根據(jù)管道管徑、水溫、環(huán)境溫度經(jīng)計(jì)算確定。5.2.3鋼塑復(fù)合管的導(dǎo)熱系數(shù)可按下式確定：λR式中：λR--鋼塑復(fù)合管的導(dǎo)熱系數(shù)λ1 鋼管的導(dǎo)熱系數(shù)[W/(m?λ2- 襯塑層塑料的導(dǎo)熱系數(shù)[W/(m?C)]，按表δ1 一鋼管計(jì)算壁厚（mm），鍍鋅或非鍍鋅焊接鋼管的計(jì)算壁厚按表5.2.3-2取值，無縫鋼管的計(jì)算壁厚按表5.2.3-3取值，碳鋼壓接式鋼管的計(jì)算壁厚按表5.2.3-4取值，承插鋼管的計(jì)算壁厚按表5.2.3-5δ2- -襯塑層計(jì)算厚度（注：涂塑層的厚度可忽略不計(jì)?！?·表5.2.3-1襯塑層塑料導(dǎo)熱系數(shù)[W/(m襯塑材料PE-RTPPPEPEX導(dǎo)熱系數(shù)0.400.240.480.41表5.2.3-2 鍍鋅或非鍍鋅焊接鋼管的計(jì)算壁厚（mm）公稱尺寸DN15202532405065外徑21.326.933.742.448.360.376.1壁厚2.82.83.23.53.53.84.0公稱尺寸DN80100125150200250300外徑88.9114.3139.7165.1219.1273.1323.9壁厚4.04.04.04.56.06.37.1表5.2.3-3無縫鋼管的計(jì)算壁厚（mm）公稱尺寸DN15202532405065外徑21273442486076壁厚2.22.23.53.53.53.64.0公稱尺寸DN80100125150200250300外徑89108133159219273325壁厚4.04.05.05.06.06.57.5表5.2.3-4內(nèi)外涂塑壓接式鋼管的計(jì)算壁厚（mm）公稱尺寸DN121520253240506580100外徑1518222835425476.188.9108壁厚1.21.51.51.51.51.51.52.02.02.0表5.2.3-5承插柔性接口鋼管的計(jì)算壁厚（mm）公稱尺寸DN150200250300外徑168219273325壁厚4.255.005.006.005.3管道補(bǔ)償5.3.1給水管道設(shè)計(jì)應(yīng)根據(jù)水溫和環(huán)境溫度變化產(chǎn)生的軸向位·10·移，采取相應(yīng)的補(bǔ)償措施。管道公稱尺寸不大于DN40時(shí)，宜采用Z形補(bǔ)償、自由臂補(bǔ)償、門形補(bǔ)償?shù)茸匀谎a(bǔ)償措施。5.3.2溫差引起的管道軸向線位移量應(yīng)按下列公式計(jì)算：ΔL=α?L?ΔT (5.3.2-1)ΔT=0.65式中：ΔL-管道軸向線位移量（m）；α-管材的線膨脹系數(shù)，鋼管取1.21×10L-管道計(jì)算長度（m）；ΔT-計(jì)算溫差（℃）；ΔtΔt5.3.3當(dāng)熱水水平干管與水平支管連接、水平干管與立管連接、立管與每層熱水支管連接時(shí)，應(yīng)采取在管道伸縮時(shí)相互不受影響的措施。5.3.4管道的伸縮補(bǔ)償可采用可曲撓橡膠接頭、波紋伸縮節(jié)、金屬軟管等補(bǔ)償器或在支管段設(shè)置自由臂作為支管的補(bǔ)償措施?！?1·6管道安裝6.1一般規(guī)定6.1.1管道安裝前現(xiàn)場(chǎng)條件應(yīng)符合下列規(guī)定：1施工圖紙及其他技術(shù)文件應(yīng)齊全，并應(yīng)已進(jìn)行技術(shù)交底。2管材、配件和閥門等附件以及管道支承件、緊固件、密封圈等應(yīng)核對(duì)產(chǎn)品合格證、質(zhì)量保證書、規(guī)格型號(hào)、品種和數(shù)量，并應(yīng)進(jìn)行外觀檢查。3施工場(chǎng)地及施工用水、供電應(yīng)滿足要求。4施工機(jī)具應(yīng)已到場(chǎng)。6.1.2施工人員應(yīng)經(jīng)技術(shù)培訓(xùn)。6.1.3鋼塑復(fù)合管施工應(yīng)符合下列規(guī)定：1切割應(yīng)采用金屬鋸。2套絲應(yīng)采用自動(dòng)套絲機(jī)。3壓槽應(yīng)采用專用滾槽機(jī)。4壓接應(yīng)采用專用電動(dòng)壓接機(jī)。5承插應(yīng)采用手扳葫蘆。6.1.4鋼塑復(fù)合管的施工程序應(yīng)符合下列規(guī)定：1管道明敷安裝應(yīng)在土建工程粉飾完畢后進(jìn)行，安裝前應(yīng)復(fù)核預(yù)留孔洞的位置。2室內(nèi)埋地管應(yīng)在首層土建地坪施工前安裝。3室內(nèi)埋地管道安裝至外墻外時(shí)，管口應(yīng)及時(shí)封堵。4管道安裝宜從大口徑逐漸接駁到小口徑。5埋地承插柔性接口鋼塑復(fù)合管安裝時(shí)，承口應(yīng)對(duì)著水流方向。6.1.5管道穿越樓板、屋面、水箱（池）壁（底），應(yīng)預(yù)留孔洞或預(yù)埋·12·套管，并應(yīng)符合下列規(guī)定：1預(yù)留洞孔尺寸應(yīng)為管道外徑加100mm。2鋼筋混凝土水池（箱），在進(jìn)水管、出水管、泄水管、溢流管等穿越處應(yīng)預(yù)埋防水套管，并應(yīng)用防水膠泥嵌填密實(shí)。3管道穿過樓板時(shí)應(yīng)設(shè)置鋼套管，在有防水規(guī)定的區(qū)域套管應(yīng)高出地面、屋面50mm，并應(yīng)采取防水措施。6.1.6管徑不大于50mm時(shí)可用彎管機(jī)冷彎，但彎曲曲率半徑不得小于8倍管徑，彎曲角度不得大于10°。6.1.7埋地、嵌墻敷設(shè)管道時(shí)，應(yīng)符合下列規(guī)定：1管道在墻板內(nèi)暗敷需開管槽時(shí)，管槽寬度應(yīng)為管道外徑加30mm；且管槽的坡度應(yīng)為管坡。2墻板內(nèi)暗敷的管道管徑不宜大于DN25。3在隱蔽工程驗(yàn)收合格后應(yīng)立即填補(bǔ)管槽。4鋼塑復(fù)合管不得埋設(shè)于鋼筋混凝土結(jié)構(gòu)層中。6.1.8施工過程中，管道的坐標(biāo)和標(biāo)高的允許偏差應(yīng)符合表6.1.8的規(guī)定。表6.1.8管道的坐標(biāo)和標(biāo)高的允許偏差（mm）項(xiàng)目允許偏差坐標(biāo)室外埋地50架空或地溝20室內(nèi)埋地15架空或地溝10標(biāo)高室外埋地±15架空或地溝±10室內(nèi)埋地±10架空或地溝±56.1.9水平管道縱橫方向的彎曲，立管的垂直度，平行管道和成排閥門的位置允許偏差應(yīng)符合表6.1.9的規(guī)定。·13·表6.1.9水平管道縱橫方向的彎曲，立管的垂直度，平行管道和成排閥門的位置的允許偏差（mm）項(xiàng)目允許偏差水平管道縱橫方向彎曲每米5每米≤10室外架空、地溝、埋地每10m≤15立管垂直度每米3高度超過5m≤10高度超過10m，每10m≤10平行管道和成排閥門位置在同一直線間距36.1.10管道支架最大間距應(yīng)符合下列規(guī)定：1當(dāng)樓層高度小于或等于5m時(shí)，每層應(yīng)安裝1個(gè)立管管卡。2當(dāng)樓層高度大于5m時(shí)，每層應(yīng)安裝不少于2個(gè)立管管卡。3立管管卡安裝高度距地面應(yīng)為1.5m～1.8m，2個(gè)以上管卡應(yīng)均勻安裝，同一房間的管卡應(yīng)安裝在同一高度。4水平管道固定支架和管道活動(dòng)支架的最大間距應(yīng)符合表6.1.10-1和表6.1.10-2的規(guī)定。表6.1.10-1水平管道固定支架的最大間距（m）公稱尺寸DN1220253240507080100125150200250300保溫管2.02.52.52.53.03.04.04.04.56.07.07.08.08.5不保溫管2.53.03.54.04.55.06.06.06.57.08.09.511.012.0表6.1.10-2管道活動(dòng)支架的最大間距（m）公稱尺寸DN15202532~7080~100水平管1.01.52.02.53.0立管1.52.02.53.03.56.1.11管材、管件在裝卸、搬運(yùn)時(shí)應(yīng)小心輕放、避免油污，不得拋、摔、滾、拖，當(dāng)涂層露出基管時(shí)，可用常溫修補(bǔ)劑對(duì)外表面破損·14·部位進(jìn)行覆蓋修補(bǔ)。6.1.12當(dāng)管道外壁無防腐塑層時(shí)，應(yīng)在管道外壁按現(xiàn)行國家標(biāo)準(zhǔn)《建筑給水排水及采暖工程施工質(zhì)量驗(yàn)收規(guī)范》GB50242的有關(guān)規(guī)定采取防腐措施。6.2螺紋連接6.2.1截管應(yīng)符合下列規(guī)定：1截管宜采用鋸床，不得采用砂輪切割；當(dāng)采用盤鋸切割時(shí)，轉(zhuǎn)速不得大于800r／min。2當(dāng)采用手工鋸截管時(shí)，鋸面應(yīng)垂直于管軸心。6.2.2套絲應(yīng)符合下列規(guī)定：1套絲應(yīng)采用自動(dòng)套絲機(jī)。2套絲機(jī)應(yīng)采用潤滑油潤滑。3圓錐形管螺紋應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《55°密封管螺紋第2部分：圓錐內(nèi)螺紋與圓錐外螺紋》GB／T7306.2的有關(guān)規(guī)定，并應(yīng)采用標(biāo)準(zhǔn)螺紋規(guī)檢驗(yàn)。6.2.3管端清理加工應(yīng)符合下列規(guī)定：1應(yīng)用細(xì)銼將金屬管端的毛邊修光。2應(yīng)采用棉回絲和毛刷清除管端和螺紋內(nèi)的油、水和金屬切屑。3襯塑管應(yīng)采用專用絞刀，將襯塑層厚度1／2倒角，倒角坡度宜為10°～15°。4涂塑管應(yīng)采用削刀削成傾內(nèi)倒角。6.2.4管端、管螺紋清理加工后，應(yīng)進(jìn)行防腐、密封處理，宜采用防銹密封膠和聚四氟乙烯生料帶纏繞螺紋，同時(shí)應(yīng)使用色筆在管壁上標(biāo)記擰入深度。6.2.5采用螺紋連接時(shí)，管件應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《給水襯塑可鍛鑄鐵管件》CJ／T137的有關(guān)規(guī)定。6.2.6管子與配件連接前，應(yīng)檢查襯塑可鍛鑄鐵管件內(nèi)橡膠密封圈或厭氧密封膠，并應(yīng)將配件手工捻上管端絲扣，在確認(rèn)管件接口·15·已插入襯（涂）塑鋼管后，應(yīng)用管鉗進(jìn)行管道與配件的連接。鋼管連接時(shí)不得逆向旋轉(zhuǎn)，標(biāo)準(zhǔn)旋入牙數(shù)及標(biāo)準(zhǔn)緊固扭矩應(yīng)符合表6.2.6的規(guī)定。表6.2.6標(biāo)準(zhǔn)旋入牙數(shù)及標(biāo)準(zhǔn)緊固扭矩公稱尺寸DN旋入長度(mm)旋入牙數(shù)（個(gè)）扭矩(N·m)管鉗規(guī)格（mm）x施加的力（kN）15116.0~6.540350×0.1520136.5~7.060350×0.2525156.0~6.5100450×0.3032177.0~7.5120450×0.3540187.0~7.5150600×0.3050209.0~9.5200600×0.40652310.0~10.5250900×0.35802711.5~12.0300900×0.401003313.5~14.04001000×0.506.2.7管道與配件連接后，外露的螺紋部分及所有鉗痕和表面損傷的部位應(yīng)涂防銹涂料。6.2.8采用厭氧密封膠密封的管接頭，養(yǎng)護(hù)期不得少于24h，養(yǎng)護(hù)期間不得進(jìn)行試壓。6.2.9鋼塑復(fù)合管不得與閥門直接連接，應(yīng)采用黃銅質(zhì)內(nèi)襯塑的內(nèi)外螺紋專用過渡管接頭。6.2.10鋼塑復(fù)合管不得與給水栓直接連接，應(yīng)采用黃銅質(zhì)專用內(nèi)螺紋管接頭。6.2.11鋼塑復(fù)合管與銅管、塑料管連接時(shí)應(yīng)采用專用過渡接頭。6.2.12當(dāng)采用內(nèi)襯塑的內(nèi)外螺紋專用過渡接頭與其他材質(zhì)的管配件、附件連接時(shí)，應(yīng)在外螺紋的端部采取防腐處理。6.3法蘭連接6.3.1用于鋼塑復(fù)合管的法蘭應(yīng)符合下列規(guī)定：1凸面板式平焊鋼制管法蘭應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《鋼制管法·16·蘭》GB／T9124的有關(guān)規(guī)定。2凸面帶頸螺紋鋼制管法蘭應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《鋼制管法蘭》GB／T9124的有關(guān)規(guī)定，并僅可用于公稱尺寸不大于DN150的鋼塑復(fù)合管的連接。3法蘭的壓力等級(jí)應(yīng)與管道的工作壓力相匹配。6.3.2鋼塑復(fù)合管法蘭現(xiàn)場(chǎng)連接應(yīng)符合下列規(guī)定：1鋼塑復(fù)合管的截管應(yīng)符合本規(guī)程第6.2.1條的規(guī)定。2在現(xiàn)場(chǎng)配接法蘭時(shí)，應(yīng)采用內(nèi)襯塑凸面帶頸螺紋鋼制管法蘭。3被連接的鋼塑復(fù)合管上應(yīng)絞螺紋密封用的管螺紋，牙型應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《55°密封管螺紋第2部分：圓錐內(nèi)螺紋與圓錐外螺紋》GB／T7306.2的有關(guān)規(guī)定。4襯塑管法蘭連接時(shí)，宜將管道端面襯塑層進(jìn)行翻邊處理。6.3.3鋼塑復(fù)合管法蘭連接可根據(jù)施工人員技術(shù)熟練程度采取一次安裝法或二次安裝法，并應(yīng)符合下列規(guī)定：1采用一次安裝法時(shí)，可現(xiàn)場(chǎng)測(cè)量、繪制管道單線加工圖，送專業(yè)工廠進(jìn)行管段、配件涂（襯）加工后，再運(yùn)抵現(xiàn)場(chǎng)安裝。2采用二次安裝法時(shí)，可在現(xiàn)場(chǎng)用非涂（襯）鋼管和管件，法蘭焊接，拼接管道，然后拆下運(yùn)抵專業(yè)加工廠進(jìn)行涂（襯）加工，再運(yùn)抵現(xiàn)場(chǎng)進(jìn)行安裝。6.3.4當(dāng)鋼塑復(fù)合管法蘭連接采用二次安裝法時(shí)，現(xiàn)場(chǎng)安裝的管段、管件、閥件和法蘭盤均應(yīng)打上標(biāo)記編號(hào)。6.4溝槽連接6.4.1建筑給水鋼塑復(fù)合管采用溝槽連接時(shí)，應(yīng)符合現(xiàn)行協(xié)會(huì)標(biāo)準(zhǔn)《溝槽式連接管道工程技術(shù)規(guī)程》T／CECS151的有關(guān)規(guī)定。6.4.2溝槽式管件的工作壓力應(yīng)與管道工作壓力相匹配。6.4.3襯塑復(fù)合鋼管，當(dāng)采用現(xiàn)場(chǎng)加工溝槽并進(jìn)行管道安裝時(shí)，施工應(yīng)符合下列規(guī)定：1宜采用成品溝槽式涂塑管件。·17·2連接管段的長度應(yīng)為管段兩端口間的凈長度減去6mm～8mm斷料，每個(gè)連接口之間應(yīng)有3mm～4mm間隙并用鋼印編號(hào)。3應(yīng)采用機(jī)械截管，截面應(yīng)垂直軸心，管徑不大于DN100時(shí)，管端切口斜度的允許偏差不應(yīng)大于1mm；管徑大于DN125時(shí)，管端切口斜度的允許偏差不應(yīng)大于1.5mm。4管外壁端面應(yīng)用機(jī)械加工1／2壁厚的圓角。5應(yīng)采用專用滾槽機(jī)壓槽，溝槽機(jī)主動(dòng)輪應(yīng)采用網(wǎng)格型滾花紋（圖6.4.3），并應(yīng)根據(jù)表6.4.3按所需壓槽管道公稱尺寸選用不同溝槽機(jī)的主動(dòng)輪直徑。圖6.4.3主動(dòng)輪結(jié)構(gòu)示意圖D1-主動(dòng)輪最大外徑；表6.4.3主動(dòng)輪參考尺寸（mm）公稱尺寸主動(dòng)輪最大外徑D1波紋輪外徑DDN504075DN655590DN8065100DN10085120DN125108143DN150133168DN200182~188217DN250235~240270DN300285~290320·18·6壓槽時(shí)管段應(yīng)保持水平，鋼管應(yīng)與滾槽機(jī)接觸面呈90°。壓槽時(shí)應(yīng)持續(xù)漸進(jìn)，槽深應(yīng)符合現(xiàn)行協(xié)會(huì)標(biāo)準(zhǔn)《溝槽式連接管道工程技術(shù)規(guī)程》T／CECS151的有關(guān)規(guī)定，并應(yīng)用標(biāo)準(zhǔn)量規(guī)測(cè)量槽的全周深度。若溝槽過淺，應(yīng)調(diào)整溝槽機(jī)后再行加工。7與橡膠密封圈接觸的管外端應(yīng)平整光滑，不得有毛刺。8管道端面宜內(nèi)襯PPR防腐圈或不銹鋼保護(hù)套。6.4.4涂塑復(fù)合鋼管采用溝槽連接方式時(shí)，應(yīng)在現(xiàn)場(chǎng)測(cè)量、工廠定制涂塑生產(chǎn)、現(xiàn)場(chǎng)安裝，不得在施工現(xiàn)場(chǎng)進(jìn)行切斷、鉆孔、壓槽、彎曲等內(nèi)容的加工。6.4.5管段在涂塑前應(yīng)壓制標(biāo)準(zhǔn)溝槽。涂塑加工應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《給水涂塑復(fù)合鋼管》CJ／T120的有關(guān)規(guī)定。6.4.6管段涂塑除涂內(nèi)壁外，還應(yīng)涂管口端和管端外壁與橡膠密封圈接觸部位。6.4.7襯（涂）塑復(fù)合鋼管的溝槽連接應(yīng)按下列程序進(jìn)行：1檢查橡膠密封圈，涂潤滑劑，并將膠圈套在一根管段的末端；將對(duì)接的另一根管段套上，將膠圈移至連接段中央。2將卡箍套在膠圈外，并將邊緣卡入溝槽中。3將帶變形塊的螺栓插入螺栓孔，并將螺母旋緊。6.4.8采用柔性溝槽式卡箍接頭連接管道時(shí)，可不計(jì)入管道因熱脹冷縮的補(bǔ)償。6.4.9埋地管用溝槽式卡箍接頭時(shí)，卡箍接頭應(yīng)設(shè)于專用的套筒內(nèi)，螺栓及螺母應(yīng)采用不銹鋼等防腐材質(zhì)，防腐措施應(yīng)與管道部分相同。6.5承插連接6.5.1埋地承插柔性接口鋼塑復(fù)合管的構(gòu)造規(guī)定、管道施工、工程驗(yàn)收等，應(yīng)符合現(xiàn)行協(xié)會(huì)標(biāo)準(zhǔn)《給水排水工程埋地承插式柔性接口鋼管管道技術(shù)規(guī)程》T／CECS492的有關(guān)規(guī)定。6.5.2進(jìn)行承插管口加工之前的鋼管管材應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)·19·《低壓流體輸送用焊接鋼管》GB／T3091的有關(guān)規(guī)定。鋼管擴(kuò)脹后，承插口部位管壁厚度不應(yīng)影響管壁受力規(guī)定。擴(kuò)脹承插口表面應(yīng)光滑，不得有裂縫、褶皺及豁口等缺陷。6.5.3管道或管件插入插口的深度應(yīng)符合表6.5.3的規(guī)定。表6.5.3管道或管件插入插口深度（mm）公稱尺寸DN150DN200DN250DN300最小插入深度T形插口100100100100燕尾形插口110130130150最大插入深度T形插口135135135135燕尾形插口1301501501706.5.4管道和管道或管件之間的連接處應(yīng)采用橡膠密封圈密封。柔性接口連接的管道，當(dāng)采用接口轉(zhuǎn)角改變管道敷設(shè)方向時(shí)，單個(gè)接口可用轉(zhuǎn)角值不得大于接口允許轉(zhuǎn)角的1／2，借轉(zhuǎn)角度應(yīng)符合表6.5.4的規(guī)定。表6.5.4承插式連接處借轉(zhuǎn)角度公稱尺寸（mm）借轉(zhuǎn)角度末端最大位移（mm）DN1501520DN2001520DN2501520DN30014206.5.5鋼管制作的橢圓度不應(yīng)大于管道外徑的1％，在管節(jié)的安裝端部不得大于管道外徑的5％，承插口不得大于管道外徑的0.3％，并應(yīng)滿足承插接口的間隙規(guī)定。6.5.6承插口柔性接口鋼管的長度應(yīng)根據(jù)管線的土質(zhì)和施工運(yùn)輸條件確定。鋼管的定尺長度宜為6m或12m，鋼管全長的允許偏差應(yīng)為±20mm，非定尺管長度及公差應(yīng)由供需雙方協(xié)商確定。6.5.7承插式鋼管管道上有閘閥、流量計(jì)等管件需法蘭連接或承插式鋼管需要與其他類型的管道連接時(shí)，承插式鋼管可一端制成·20·承口或插口，另一端焊法蘭盤。法蘭盤應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《鋼制管法蘭》GB／T9124的有關(guān)規(guī)定。6.5.8埋地承插給水涂塑復(fù)合鋼管上宜有公稱外徑、壁厚、材質(zhì)、長度、管號(hào)等信息標(biāo)記，標(biāo)記應(yīng)清晰、耐久。插口部位應(yīng)有表示插入深度的標(biāo)記。6.6涂塑復(fù)合鋼管雙金屬焊接連接6.6.1制造涂塑復(fù)合鋼管前應(yīng)在鋼管連接用鋼制管件兩端內(nèi)側(cè)面鑲?cè)氩讳P鋼圈，不銹鋼圈尺寸應(yīng)符合表6.6.1的規(guī)定。表6.6.1不銹鋼圈尺寸表（mm）規(guī)格長度厚度公差DN100~DN15090~1001.5≤10DN200~DN350110~1202.0≤106.6.2采用雙金屬焊接時(shí)（圖6.6.2），管道接口施工應(yīng)符合下列規(guī)定：1不銹鋼圈伸入鋼塑管或鋼塑對(duì)焊管件內(nèi)端部在工廠應(yīng)進(jìn)行封焊，內(nèi)表面應(yīng)局部涂塑。2涂塑復(fù)合鋼管與連接鋼制管件鑲?cè)肱铺?hào)為06Cr19Ni10（S30408、304）的不銹鋼圈后，不銹鋼圈里端面與鋼管、鋼制管件應(yīng)采用氬弧焊整圈焊接封固。3不銹鋼圈與鋼管及鋼制管件內(nèi)側(cè)表面鑲接的最大間隙不應(yīng)大于0.5mm，不銹鋼圈外端面應(yīng)伸出鋼管端面、鋼制管件端面長2mm～3mm。4鋼管、鋼制管件鑲接不銹鋼圈后，應(yīng)進(jìn)行內(nèi)表面打磨噴砂處理，涂塑時(shí)內(nèi)涂塑層應(yīng)覆蓋不銹鋼圈內(nèi)端面30mm～35mm長，覆蓋涂層應(yīng)與內(nèi)壁涂層同等要求，并應(yīng)通過1500V～2000V電火花檢測(cè)。5鋼塑管或鋼塑對(duì)焊管件前端對(duì)接焊接連接處，坡口應(yīng)按現(xiàn)行國家標(biāo)準(zhǔn)《鋼制對(duì)焊管件類型與參數(shù)》GB／T12459的有關(guān)規(guī)定·21·進(jìn)行倒角，并應(yīng)采用衛(wèi)生要求符合現(xiàn)行國家標(biāo)準(zhǔn)《生活飲用水輸配水設(shè)備及防護(hù)材料的安全性評(píng)價(jià)標(biāo)準(zhǔn)》GB／T17219的有關(guān)規(guī)定、材質(zhì)符合現(xiàn)行國家標(biāo)準(zhǔn)《不銹鋼焊條》GB／T983規(guī)定的E308-15不銹鋼及不銹鋼焊條進(jìn)行焊接。圖6.6.2涂塑雙金屬焊接工藝示意圖1-碳鋼焊條；2-不銹鋼焊條；3-涂塑層；4-鋼管；5-氬弧焊接；6-不銹鋼圈6.6.3管接口應(yīng)根據(jù)管徑選用廠家提供的不銹鋼內(nèi)襯保護(hù)套點(diǎn)焊或全焊后進(jìn)行雙金屬焊接，焊縫底層應(yīng)選用不銹鋼308焊條打底焊，后續(xù)應(yīng)選用直流焊機(jī)507堿性焊條焊接。6.7壓接式連接6.7.1壓接式碳鋼涂塑管件應(yīng)采用橡膠密封圈。6.7.2壓接式管道敷設(shè)時(shí)應(yīng)符合下列規(guī)定：1壓接式碳鋼涂塑管道連接部位不應(yīng)與水泥漿、水泥、砂漿、土壤直接接觸，并應(yīng)采取相應(yīng)的防護(hù)措施。2管道與閥門、水表、儀表等的連接應(yīng)采用轉(zhuǎn)換接頭，不應(yīng)在管外壁上套絲。·22·3安裝完畢的干管不得有明顯的起伏、彎曲等現(xiàn)象，管外壁應(yīng)無損傷。4壓接式連接碳鋼涂塑管道固定支架間距不宜大于15m，固定支架應(yīng)設(shè)置在變徑、分支、接口及穿越承重墻、樓板的兩側(cè)等處。5公稱尺寸不大于DN25的管道，安裝時(shí)可采用塑料管卡。6在給水栓和配水點(diǎn)處應(yīng)采用金屬管卡或吊架固定，管卡或吊架宜設(shè)置在距管件40mm～80mm處。7明裝管道外壁與裝飾墻面的距離應(yīng)符合表6.7.2的規(guī)定。表6.7.2明裝管道外壁距裝飾墻面距離（mm）公稱尺寸外壁距裝飾墻面距離DN12~DN25≥40DN32~DN50≥50DN65~DN100≥1008管道敷設(shè)時(shí)，不得有軸向彎曲和扭曲，穿過墻或樓板時(shí)不得強(qiáng)制校正。當(dāng)與其他管道平行時(shí)，應(yīng)按設(shè)計(jì)文件的規(guī)定預(yù)留保護(hù)距離，當(dāng)設(shè)計(jì)無規(guī)定時(shí)，凈距不宜小于100mm。6.7.3壓接式碳鋼涂塑管道截管應(yīng)符合下列規(guī)定：1截管宜采用機(jī)械式切管工具。2截管的端面應(yīng)平整，并應(yīng)垂直于管軸線。3截管后，管端的內(nèi)外毛刺宜采用專用工具去除干凈。6.7.4壓接連接應(yīng)符合下列規(guī)定：1管件、管材應(yīng)軸向插入，管材插入前，在端面處應(yīng)增加衛(wèi)生級(jí)四氟墊片及硅膠墊片，插入時(shí)管材應(yīng)控制插入深度，宜標(biāo)注插入深度印記。2操作前應(yīng)詳細(xì)閱讀壓接工具說明書，了解工具所用電源、電壓及壓接方法，壓接鉗口與管件應(yīng)匹配。3使用專用工具進(jìn)行擠壓連接時(shí)，應(yīng)將擠壓部位置于專用工具的鉗口內(nèi)，讓擠壓專用工具的鉗口內(nèi)槽對(duì)準(zhǔn)管件的凸環(huán)部位，靠·23·緊并與管道軸線垂直，起動(dòng)擠壓工具，使鉗口合模，完成擠壓連接。6.7.5使用壓接工具時(shí)，施工中應(yīng)有一定的作業(yè)空間（圖6.7.5），管件最小安裝間距應(yīng)符合表6.7.5的規(guī)定。圖6.7.5管件壓接作業(yè)示意圖L1一管件端口與墻面的距離；;L2-表6.7.5管件最小安裝間距（mm）管道公稱尺寸DN最小安裝間距管件與墻面L1管材與墻面L2管件之間L10～205540152565401532～406550255080502565~10080100356.8運(yùn)輸及儲(chǔ)存6.8.1鋼塑管在安裝運(yùn)輸裝卸過程中，不應(yīng)拋摔或劇烈撞擊，裝卸時(shí)應(yīng)使用尼龍紗帶吊裝。6.8.2鋼塑管儲(chǔ)存應(yīng)墊木離地、平直堆放于室內(nèi)陰涼處，遠(yuǎn)離熱源。不得堆存在室外陽光直射、嚴(yán)寒和晝夜溫差大的場(chǎng)所，飲用水鋼塑管不得與有毒有害物混合儲(chǔ)存。6.8.3涂塑復(fù)合鋼管在運(yùn)輸、安裝過程中，直徑不大于25mm或直徑大于25mm但面積小于250c㎡的塑層損傷和缺陷，應(yīng)按現(xiàn)行行業(yè)標(biāo)準(zhǔn)《給水涂塑復(fù)合鋼管》CJ／T120的有關(guān)規(guī)定進(jìn)行修補(bǔ)。·24·7驗(yàn)收7.0.1鋼塑復(fù)合管給水管道系統(tǒng)的試驗(yàn)壓力應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《建筑給水排水及采暖工程施工質(zhì)量驗(yàn)收規(guī)范》GB50242的有關(guān)規(guī)定。7.0.2建筑給水埋地承插式鋼塑復(fù)合管的結(jié)構(gòu)計(jì)算、構(gòu)造規(guī)定、管道施工、工程竣工驗(yàn)收，應(yīng)符合現(xiàn)行協(xié)會(huì)標(biāo)準(zhǔn)《給水排水工程埋地承插式柔性接口鋼管管道技術(shù)規(guī)程》T／CECS492的有關(guān)規(guī)定。7.0.3當(dāng)鋼塑復(fù)合管與塑料管在同一系統(tǒng)試壓時(shí)，應(yīng)按現(xiàn)行行業(yè)標(biāo)準(zhǔn)《建筑給水塑料管道工程技術(shù)規(guī)程》CJJ／T98的有關(guān)規(guī)定執(zhí)行。7.0.4管道試壓合格后，應(yīng)將管道系統(tǒng)內(nèi)的存水排空，并應(yīng)進(jìn)行管道清洗。輸送生活飲用水的管道還應(yīng)進(jìn)行消毒沖洗。消毒后的管道通水水質(zhì)應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《生活飲用水衛(wèi)生標(biāo)準(zhǔn)》GB5749的有關(guān)規(guī)定。7.0.5建筑給水鋼塑復(fù)合管道工程應(yīng)按現(xiàn)行國家標(biāo)準(zhǔn)《建筑給水排水及采暖工程施工質(zhì)量驗(yàn)收規(guī)范》GB50242的有關(guān)規(guī)定進(jìn)行分項(xiàng)工程、分部工程及單位工程驗(yàn)收。中間驗(yàn)收、竣工驗(yàn)收前，施工單位應(yīng)進(jìn)行自檢。驗(yàn)收時(shí)應(yīng)做好記錄，簽署文件，并立卷歸檔。7.0.6驗(yàn)收時(shí)應(yīng)具備下列文件：1施工圖、竣工圖及設(shè)計(jì)變更文件。2材料出廠合格證和質(zhì)量保證書。3中間試驗(yàn)記錄和隱蔽工程驗(yàn)收記錄。4水壓試驗(yàn)記錄和消毒沖洗通水試驗(yàn)記錄。5工程質(zhì)量事故記錄。6分項(xiàng)工程、分部工程、單位工程質(zhì)量檢驗(yàn)記錄?！?5·7.0.7工程驗(yàn)收重點(diǎn)檢查項(xiàng)目應(yīng)符合下列規(guī)定：1管材、管件標(biāo)志應(yīng)與用途一致，冷水管所用管材及管件不得用于熱水管。2管道與閥門、給水栓的連接應(yīng)采用專用過渡配件。3溝槽式連接應(yīng)采用專用密封圈。4螺紋連接部位的管段露牙數(shù)不宜大于3牙。5水箱（池）內(nèi)浸水部分管道外壁應(yīng)涂塑，支承件應(yīng)牢固和防腐，穿越池壁（底）處應(yīng)防水密封、連接牢固。6管位、管徑、標(biāo)高、坡度、垂直度、支承位置及牢固性應(yīng)符合設(shè)計(jì)文件的規(guī)定。7埋地管道應(yīng)做防腐處理。·26·附錄A鋼塑復(fù)合管水力計(jì)算表A．0.1建筑給水用襯塑復(fù)合鋼管的沿程水頭損失可按表A．0.1確定。表A．0.1建筑給水用襯塑復(fù)合鋼管水力計(jì)算表流量QDN15DN20DN25DN32djdjdjdjmL/svivivivi0.2340.0650.510.346----0.2520.0700.550.397----0.2700.0750.590.451---0.2880.0800.630.508一一0.3060.0850.670.569-0.3240.0900.710.632一0.3420.0950.750.698-一-0.3600.1000.790.768-0.3960.1100.870.916-----0.4320.1200.951.076-----0.4680.1301.031.2480.490.211--0.5040.1401.111.4310.530.2420.5400.1501.181.6260.570.274--0.5760.1601.261.8320.610.3090.6120.1701.342.0500.650.346-0.6480.1801.422.2780.680.385---0.6840.1901.502.5180.720.4250.7200.2001.582.7680.760.4670.9000.2501.974.1830.950.7060.540.1771.0800.3002.375.8611.140.9890.650.249-1.2600.3502.767.7961.331.3160.750.331--1.4400.4003.169.9801.521.6850.860.4231.6200.450-1.712.0950.970.5260.550.1301.8000.500-1.902.5461.080.6400.610.1581.9800.550-2.093.0371.190.7630.670.1882.1600.600--2.283.5671.290.8960.730.2212.3400.650--2.474.1361.401.0400.790.2562.5200.700--2.664.7441.511.1920.850.2942.7000.750--2.855.3901.621.3550.910.3342.8800.800--3.046.0731.721.5260.970.3763.0600.850----1.831.7081.030.421·27·續(xù)表A．0.1流量QDN25DN32DN40DN50ddddjmL/svivivivi0.9000.2500.540.177-----1.0800.3000.650.249------1.2600.3500.750.331------1.4400.4000.860.423------1.6200.4500.970.5260.550.130---1.8000.5001.080.6400.610.158----1.9800.5501.190.7630.670.188----2.1600.6001.290.8960.730.2210.520.098--2.3400.6501.401.0400.790.2560.560.113--2.5200.7001.511.1920.850.2940.610.130--2.7000.7501.621.3550.910.3340.650.148--2.8800.8001.721.5260.970.3760.680.166--3.0600.8501.831.7081.030.4210.740.186--3.2400.9001.941.8981.090.4680.780.207--3.4200.9502.052.0981.150.5170.820.229--3.6001.0002.162.3061.210.5680.870.2520.520.0713.7801.0502.262.5241.270.6220.910.2750.540.0773.9601.1002.372.7511.330.6780.950.3000.570.0844.1401.1502.482.9871.390.7361.000.3260.590.0924.3201.2002.593.2321.460.7961.040.3530.620.0994.5001.2502.703.4851.520.8591.080.3800.640.1074.6801.3002.803.7481.580.9231.130.4090.670.1154.8601.3502.914.0191.640.9901.170.4380.700.1235.0401.4003.024.2981.701.0591.220.4690.720.1325.2201.450--1.761.1301.260.5000.750.1415.4001.500--1.821.2031.300.5330.770.1505.5801.550--1.881.2781.350.5660.800.1595.7601.600--1.941.3561.390.6000.820.1695.9401.650--2.001.4351.430.6350.850.1796.1201.700--2.061.5161.480.6710.880.1896.3001.750--2.121.6001.520.7080.900.199·28·續(xù)表A．0.1流量QDN32DN40DN50DN65ddddmL/svivivivi5.9401.6502.001.4351.430.6350.850.1790.500.0486.1201.7002.061.5161.480.6710.880.1890.510.0516.3001.7502.121.6001.520.7080.900.1990.530.0536.4801.8002.181.6861.560.7460.930.2100.540.0566.6601.8502.241.7731.610.7850.950.2210.560.0596.8401.9002.301.8631.650.8250.980.2320.570.0627.0201.9502.371.9551.690.8651.010.2430.590.0657.2002.0002.432.0481.740.9071.030.2550.600.0687.5602.1002.552.2421.820.9931.080.2790.630.0757.9202.2002.672.4431.911.0821.130.3040.660.0828.2802.3002.792.6532.001.1751.190.3300.690.0898.6402.4002.912.8702.081.2711.240.3570.720.0969.0002.5003.033.0952.171.3701.290.3850.750.1039.3602.6003.153.3282.261.4741.340.4140.780.1119.7202.700--2.341.5801.390.4440.810.11910.0802.800--2.431.6901.440.4750.840.12810.4402.900--2.521.8031.490.5070.870.13610.8003.000--2.601.9201.550.5400.900.14511.1603.100--2.692.0401.600.5740.930.15411.5203.200--2.782.1641.650.6080.960.16311.8803.300--2.862.2901.700.6440.990.17312.2403.400--2.952.4211.750.6811.020.18312.6003.500----1.800.7181.050.19312.9603.600----1.860.7561.080.20313.3203.700----1.910.7961.110.21413.6803.800----1.960.8361.140.22514.0403.900----2.010.8771.170.23614.4004.000----2.060.9191.200.24714.7604.100----2.110.9621.230.25815.1204.200----2.161.0061.260.27015.4804.300----2.221.0511.290.282·29·續(xù)表A．0.1流量QDN50DN65DN80DN100ddddjmL/svivivivi14.7604.1002.110.9621.230.2580.880.1150.500.02915.1204.2002.161.0061.260.2700.900.1200.510.03015.4804.3002.221.0511.290.2820.930.1250.520.03115.8404.4002.271.0961.320.2950.950.1310.540.03316.2004.5002.321.1431.350.3070.970.1360.550.03416.5604.6002.371.1901.380.3200.990.1420.560.03516.9204.7002.421.2391.410.3331.010.1480.570.03717.2804.8002.471.2881.440.3461.030.1540.580.03817.6404.9002.531.3381.470.3591.060.1600.600.04018.0005.0002.581.3891.500.3731.080.1660.610.04118.3605.1002.631.4411.530.3871.100.1720.620.04318.7205.2002.681.4931.560.4011.120.1780.630.04419.0805.3002.731.5471.590.4161.140.1850.640.04619.4405.4002.781.6011.620.4301.160.1910.660.04819.8005.5002.841.6571.650.4451.180.1980.670.04920.1605.6002.891.7131.680.4601.210.2040.680.05120.5205.7002.941.7701.710.4751.230.2110.690.05320.8805.8002.991.8281.740.4911.250.2180.710.05421.2405.9003.041.8871.770.5071.270.2250.720.05621.6006.000--1.800.5231.290.2320.730.05821.9606.100--1.830.5391.310.2390.740.06022.3206.200--1.860.5551.330.2470.750.06122.6806.300--1.890.5721.360.2540.770.06323.0406.400--1.920.5891.380.2620.780.06523.7606.600--1.980.6241.420.2770.800.06924.1206.700--2.010.6411.440.2850.820.07124.4806.800--2.040.6591.460.2930.830.07324.8406.900--2.070.6771.490.3010.840.07525.2007.000--2.100.6951.510.3090.850.07725.5607.100--2.130.7141.530.3170.860.07925.9207.200--2.160.7321.550.3250.880.081·30·續(xù)表A．0.1流量QDN65DN80DN100DN125dddjdjmL/svivivivi23.0406.4001.920.5891.380.2620.780.0650.500.02223.7606.6001.980.6241.420.2770.800.0690.520.02324.1206.7002.010.6411.440.2850.820.0710.520.02424.4806.8002.040.6591.460.2930.830.0730.530.02524.8406.9002.070.6771.490.3010.840.0750.540.02525.2007.0002.100.6951.510.3090.850.0770.550.02625.5607.1002.130.7141.530.3170.860.0790.550.02725.9207.2002.160.7321.550.3250.880.0810.560.02826.2807.3002.190.7511.570.3340.890.0830.570.02826.6407.4002.220.7711.590.3420.900.0850.580.02927.0007.5002.250.7901.610.3510.910.0870.590.03027.3607.6002.280.8101.640.3600.920.0900.590.03027.7207.7002.310.8291.660.3680.940.0920.600.03128.0807.8002.340.8491.680.3770.950.0940.610.03228.4407.9002.370.8701.700.3860.960.0960.620.03328.8008.0002.400.8901.720.3950.970.0990.620.03329.1608.1002.430.9111.740.4050.990.1010.630.03429.5208.2002.460.9321.770.4141.000.1030.640.03529.8808.3002.490.9531.790.4231.010.1050.650.03630.2408.4002.520.9741.810.4331.020.1080.660.03730.6008.5002.550.9961.830.4421.030.1100.660.03730.9608.6002.581.0181.850.4521.050.1130.670.03831.3208.7002.611.0391.870.4621.060.1150.680.03931.6808.8002.641.0621.890.4721.070.1180.690.04032.0408.9002.671.0841.920.4821.080.1200.690.04132.4009.0002.701.1071.940.4921.090.1220.700.04232.7609.1002.731.1301.960.5021.110.1250.710.04233.1209.2002.761.1531.980.5121.120.1280.720.04333.4809.3002.791.1762.000.5221.130.1300.730.04433.8409.4002.821.1992.020.5331.140.1330.730.04534.2009.5002.851.2232.050.5431.160.1350.740.046·31·續(xù)表A．0.1流量QDN65DN80DN100DN125dddjdmL/svivivivi34.5609.6002.881.2472.070.5541.170.1380.750.04734.9209.7002.911.2712.090.5651.180.1410.760.04835.2809.8002.941.2962.110.5761.190.1430.770.04935.6409.9002.971.3202.130.5871.200.1460.770.05036.00010.0003.001.3452.150.5981.220.1490.780.05136.90010.250--2.210.6261.250.1560.800.05337.80010.500--2.260.6541.280.1630.820.05538.70010.750--2.310.6831.310.1700.840.05839.60011.000--2.370.7131.340.1780.860.06040.50011.250--2.420.7431.370.1850.880.06341.40011.500--2.480.7741.400.1930.900.06542.30011.750--2.530.8051.430.2010.920.06843.20012.000--2.580.8371.460.2090.940.07144.10012.250--2.640.8701.490.2170.960.07445.00012.500--2.690.9031.520.2250.980.07645.90012.750--2.750.9371.550.2331.000.07946.80013.000--2.800.9711.580.2421.020.08247.70013.250--2.851.0061.610.2511.030.08548.60013.500--2.911.0411.640.2591.050.08849.50013.750--2.961.0771.670.2681.070.09150.40014.000--3.011.1141.700.2771.090.09451.30014.250----1.730.2871.110.09752.20014.500----1.760.2961.130.10153.10014.750----1.790.3061.150.10454.00015.000----1.820.3151.170.10755.80015.500----1.890.3351.210.11457.60016.000----1.950.3551.250.12159.40016.500----2.010.3761.290.12861.20017.000----2.070.3971.330.13563.00017.500----2.130.4191.370.14264.80018.000----2.190.4421.410.150·32·續(xù)表A．0.1流量QDN100DN125DN150DN200ddddjmL/svivivivi66.60018.5002.250.4651.440.1581.030.0700.570.01668.40019.0002.310.4881.480.1661.060.0730.580.01770.20019.5002.370.5121.520.1741.090.0770.600.01872.00020.0002.430.5371.560.1821.120.0800.610.01973.80020.5002.490.5621.600.1911.140.0840.630.01975.60021.0002.550.5871.640.1991.170.0880.640.02077.40021.5002.620.6131.680.2081.200.0920.660.02179.20022.0002.680.6401.720.2171.230.0960.670.02281.00022.5002.740.6671.760.2271.250.1000.690.02382.80023.0002.800.6951.800.2361.280.1040.700.02484.60023.5002.860.7231.830.2461.310.1080.720.02586.40024.0002.920.7521.870.2551.340.1130.730.02688.20024.5002.980.7811.910.2651.370.1170.750.02790.00025.0003.040.8111.950.2751.390.1210.760.02891.80025.500--1.990.2861.420.1260.780.02993.60026.000--2.030.2961.450.1300.790.03095.40026.500--2.070.3071.480.1350.810.03197.20027.000--2.110.3171.510.1400.830.03299.00027.500--2.150.3281.530.1450.840.033100.80028.000--2.190.3401.560.1500.860.035102.60028.500--2.230.3511.590.1550.870.036104.40029.000--2.260.3621.620.1600.890.037106.20029.500--2.300.3741.650.1650.900.038108.00030.000--2.340.3861.670.1700.920.039109.80030.500--2.380.3981.700.1750.930.041111.60031.000--2.420.4101.730.1810.950.042113.40031.500--2.460.4221.760.1860.960.043115.20032.000--2.500.4351.780.1920.980.044117.00032.500--2.540.4471.810.1970.990.046118.80033.000--2.580.4601.840.2031.010.047120.60033.500--2.620.4731.870.2091.020.048·33·續(xù)表A．0.1流量QDN100DN125DN150DN200djddjdjmL/svivivivi122.40034.000--2.650.4861.900.2141.040.050124.20034.500--2.690.5001.920.2201.050.051126.00035.000--2.730.5131.950.2261.070.052127.80035.500--2.770.5271.980.2321.090.054129.60036.000--2.810.5412.010.2381.100.055131.40036.500--2.850.5552.040.2441.120.057133.20037.000--2.890.5692.060.2511.130.058135.00037.500--2.930.5832.090.2571.150.059136.80038.000--2.970.5972.120.2631.160.061138.60038.500--3.010.6122.150.2701.180.062140.40039.000----2.170.2761.190.064142.20039.500----2.200.2831.210.065144.00040.000----2.230.2891.220.067145.80040.500----2.260.2961.240.069147.60041.000----2.290.3031.250.070149.40041.500----2.310.3101.270.072151.20042.000----2.340.3171.280.073153.00042.500----2.370.3241.300.075154.80043.000-----2.400.3311.310.077158.40044.000----2.450.3451.340.080162.00045.000----2.510.3601.380.083180.00050.000----2.790.4371.530.101198.00055.000----3.070.5221.680.121216.00060.000------1.830.142234.00065.000------1.990.164252.00070.000------2.140.189270.00075.000------2.290.214288.00080.000------2.450.241306.00085.000------2.600.270324.00090.000------2.750.30342.00095.000------2.900.332360.000100.000------3.060.365·34·續(xù)表A．0.1流量QDN150DN200DN250DN300ddddjmL/svivivivi72.00020.0001.120.0800.610.0190.390.0060.280.00373.80020.5001.140.0840.630.0190.400.0070.290.00375.60021.0001.170.0880.640.0200.410.0070.290.00377.40021.5001.200.0920.660.0210.420.0070.300.00379.20022.0001.230.0960.670.0220.430.0070.310.00381.00022.5001.250.1000.690.0230.440.0080.310.00382.80023.0001.280.1040.700.0240.450.0080.320.00484.60023.5001.310.1080.720.0250.460.0080.330.00486.40024.0001.340.1130.730.0260.470.0090.340.00488.20024.5001.370.1170.750.0270.480.0090.340.00490.00025.0001.390.1210.760.0280.490.0090.350.00491.80025.5001.420.1260.780.0290.500.0100.360.00493.60026.0001.450.1300.790.0300.510.0100.360.00495.40026.5001.480.1350.810.0310.520.0110.370.00597.20027.0001.510.1400.830.0320.530.0110.380.00599.00027.5001.530.1450.840.0330.540.0110.380.005100.80028.0001.560.1500.860.0350.550.0120.390.005102.60028.5001.590.1550.870.0360.560.0120.400.005104.40029.0001.620.1600.890.0370.570.0120.410.005106.20029.5001.650.1650.900.0380.580.0130.410.006108.00030.0001.670.1700.920.0390.590.0130.420.006109.80030.5001.700.1750.930.0410.600.0140.430.006111.60031.0001.730.1810.950.0420.610.0140.430.006113.40031.5001.760.1860.960.0430.620.0150.440.006115.20032.0001.780.1920.980.0440.630.0150.450.007117.00032.5001.810.1970.990.0460.640.0150.450.007118.80033.0001.840.2031.010.0470.650.0160.460.007120.60033.5001.870.2091.020.0480.660.0160.470.007122.40034.0001.900.2141.040.0500.670.0170.470.007124.20034.5001.920.2201.050.0510.680.0170.480.008·35·續(xù)表A．0.1流量QDN150DN200DN250DN300ddddjmL/svivivivi126.00035.0001.950.2261.070.0520.680.0180.490.008127.80035.5001.980.2321.090.0540.690.0180.500.008129.60036.0002.010.2381.100.0550.700.0190.500.008131.40036.5002.040.2441.120.0570.710.0190.510.008133.20037.0002.060.2511.130.0580.720.0200.520.009135.00037.5002.090.2571.150.0590.730.0200.520.009136.80038.0002.120.2631.160.0610.740.0210.530.009138.60038.5002.150.2701.180.0620.750.0210.540.009140.40039.0002.170.2761.190.0640.760.0220.540.009142.20039.5002.200.2831.210.0650.770.0220.550.010144.00040.0002.230.2891.220.0670.780.0230.560.010145.80040.5002.260.2961.240.0690.790.0230.570.010147.60041.0002.290.3031.250.0700.800.0240.570.010149.40041.5002.310.3101.270.0720.810.0240.580.011151.20042.0002.340.3171.280.0730.820.0250.590.011153.00042.5002.370.3241.300.0750.830.0250.590.011154.80043.0002.400.3311.310.0770.840.0260.600.011158.40044.0002.450.3451.340.0800.860.0270.610.012162.00045.0002.510.3601.380.0830.880.0280.630.012180.00050.0002.790.4371.530.1010.980.0340.700.015198.00055.0003.070.5221.680.1211.080.0410.770.018216.00060.000--1.830.1421.170.0480.840.021234.00065.000--1.990.1641.270.0550.910.024252.00070.000--2.140.1891.370.0640.980.028270.00075.000--2.290.2141.470.0721.050.032288.00080.000--2.450.2411.570.0811.120.036306.00085.000--2.600.2701.660.0911.190.040324.00090.000--2.750.301.760.1011.260.045342.00095.000--2.900.3321.860.1121.330.049360.000100.000-3.060.3651.960.1231.400.054注：單位i為kPa/m,dj為m，v·36·A．0.2建筑給水用內(nèi)涂塑復(fù)合鋼管的沿程水頭損失可按表A．0.2確定。表A．0.2建筑給水用內(nèi)涂塑復(fù)合