2023胶圈电熔双密封聚乙烯复合供水管道工程技术规程

胶圈电熔双密封聚乙烯目次目次1总则 （1）术、符号 （2）2.1语… （X）2.2号… （X）管材管件 一规定 （X）3.2管（X）3.3件… （X）4设（X）般（X）管布置 （X）道力（X）道构（X）管施工 （X）般（X）（X）地（X）架敷设 （X）水敷设 （X）水定钻工… （X）压验冲、（X）验收 （X）附录A圈熔密乙烯道接口结构 （X）附录B胶电双封乙烯合水（X）附录C胶电双封乙烯（X）附录D胶电双封乙烯合水材强钢丝… （X）附录E胶电双封乙烯合水道力算内径 （X）附录F单管沿阻损失力算表 （X）1总则1总则1.0.1为使胶圈电熔双密封聚乙烯复合管道工程的设计、施工及验收做到技术先进、经济合理、安全卫生、确保工程质量，制定本规程。（承载压力60%－70%PPRPSPPVC0.6Mpa～3.5Mpa，40℃800mm当输送固液混合物时，固体颗粒应小于80目，在经济流速下固体含量不宜超过45%。1.O.3 1.O.3 4况不同，管道的耐磨表现有很大差异。通常认为，塑料管道的磨损受介质中固体颗粒的粒径、形态（锐度、硬度、流速、浓度等影响，因素很复杂。根据实际应用经验，在5010U目以下的浆体临界流速约为2m/s。在满足临界流速前提下，采用较低的流速有利于减少输送能耗，比较经济，而且有利于提高管道耐磨寿命。有些小的固体颗粒容易发生团聚，例如盐湖（田）采卤，可能将湖底沉积的混合盐矿以球块状送入输卤管道。团聚体尺寸虽然较大，但密实度通常较低，其对管壁的磨损能力大于未团聚的微粒，但又显著低于等大的实心团块。因此，应控制管道磨浆机的出口粒径，并适当增加管道内壁耐厚度。由于缺乏足够的理论数据，设计时应充分调研实际应用经验选材。1.O.4～1.0.51.O.4～1.0.5术语、符号术语圈熔密构管接口 Fusedrubbergasketdualsealingpipejoint2.1.12.1.1Plastic(PE)comlpositpipewithRubberringandelectricmeltingdoubleseals或。Enhancedplastic(PE)comlpositpipewithRubberringandelectricmeltingdoubleseals2.1.32.1.3圈熔密件 Fusedrubbergasketsocketdualsealingpipefittings具有胶圈电熔承口双密封结构形式的塑料管件。分为普通型胶圈电熔承口双密封管件（RESF（RRESFordinaryFusedrubbergasketsocketdualsealingpipefittings≤1.6Mpa。增强型胶圈电熔双密封管件EnhancedfittingwithRubberringandelectricmeltingdoubleseals≤3.5Mpa。熔接 ElectricalfusionconnectionElectricalfusionbellandspigotcon-nection2.1.9 2.1.9 Sealing将管材切口处外露的增强材料用聚乙烯塑料进行封密的过程。正器 Fixture施工中一种专门用于固定管材、管件的夹具。符号MPa2MPa（MaPwPb之和。bMPav（MPav0.0Ma计算Pt——管道工程系统试验压力（MPa）Ft——由温差引起的管段轴向推（拉）力V——计算管段的管内水总容积（L）D——管道的结构计算直径，D=dn—edn——管道的公称外径，即管材、管件标定的外径di——管道的水力计算内径，可按附录E选用e——管道的公称壁厚，也是管壁的计算厚度L——管段长度（m）LfElpS——管材环刚度（N/mm2）pEw——水的体积模量，20℃时为2200MPa；g——重力加速度（9.81m/s2）hl——管道水流沿程水头损失hs——局部水头损失k——局部阻力系数。Re——雷诺数v——管道内水流的平均流速（m/s）n——管道当量粗糙度λ——管道水力摩阻系数kt——50年寿命要求条件下，公称压力温度修正系数γ（C㎡/S）t（℃）c——管端固定度，可取值0.75～1.0；γw——水的重力密度Δv——管道内水的流速变化值，可取平均流速v（m/s）α（mm/m·℃）ΔV——水压试验管段降压泄出的水量（L）ΔVmax——水压试验管段允许泄出的最大水量（L）ΔP——水压试验管段降压量（MPa）Q——管道工程严密性试验条件下，每公里每日(24h)的允许补水量(L)一般规定GB/T11115GB/T13663CJ/T123CJ/T124HG/T3690HG/T3691GB/T17219的要求。3.1.13.1.1本条明确了管材、管件执行的产品标准以及用于生活给水时应遵照的卫生标准。另外，管材、管件还应符合由生产厂提供并经有关标准化主管机构通过备案的企业标准等规定。胶圈电熔双密封聚乙烯复合管道所用聚乙烯材料应符合现行国家标准《聚乙烯GB/T11115（PE）GB/T13663-200042GB/T13663.2-200545%。3.1.2表3.1.2短期静液压强度及爆破压力试验温度（℃）短期静液压强度及爆破压力（MPa）试验时间（h）要求202×PN1不破裂、不渗漏爆破压力≥3×PN-爆破注：1、试验截断管材两端口，应进行防渗密封处理。2、当管材及管件的公称外径dn为250mm及以上时，对爆破压力不做强制性要求。3.1.33.1.3为保证管道系统具有一致的承压能力、装配质量、配合精度，以及焊接可靠性，通常管材、管件应选用同一生产商配套产品。vfn（PE）3.1.4表3.1.4管材、管件所用聚乙烯（PE）树脂的拉伸屈服强度管材、管件的公称外径dn（mm）≤250＞250管材、管件所用聚乙烯（PE）树脂的拉伸屈服强度（MPa）≥20≥22管材3.2.1，B.3表3.2.1 胶电双封聚烯合材管材分类主要特征普通型管材烯管复合而成。增强型管材金属增强型管材非金属增强型管材管材所用聚乙烯材料应符合现行国家标准《给水用聚乙烯（PE）管材》GB/T13663-20004PE)2GB/T13663.2-200543.2.2 3.2.2 管径为dn315及以上的胶圈电熔双密封聚乙烯复合管道所用聚乙烯材料为PE100，其余为PE80。3.2.3表3.2.3 复用脂密度(g/cm²)熔融指数(g/10min)维卡软化点（℃）断裂伸长率（％）≥0.940≥1.5≥120≥500GB/T14450D。3.2.5 3.2.5 3.3%55°～60°，管件3.3.1C。表3.3.1 管的称力PN管件类型管件公称外径dn(mm)≤200225250315355400450500560630710800普通型管件PN（MPa）1.61.0增强型管件PN（MPa）3.52.52.01.61.5设 计一般规定GB50013GB50015GB502894.1.2204.1.2kt。Pw≤0.9·kt·PN （4.1.2）式中：MPa；0.9——管道系统安全系数；（MP20℃MPa。表4.1.2 公压温修正数kt介质温度（℃）0≤t≤2020<t≤3030<t≤4040<t≤5050<t≤60普通型管道修正系数1.00.870.74——增强型管道修正系数1.00.950.900.860.814.1.24.1.2204.3.3不同温度时管材公称压力变化的参考值温度（℃）管材类别普通型管材增强型管材管道公称压力（MPa）0≤t≤200.60.81.01.61.01.41.62.02.53.520<t≤300.5220.6960.871.3920.951.331.521.902.3753.32530<t≤400.4440.5920.741.1840.901.261.441.802.253.1540<t≤50————0.861.2041.3761.722.153.0150<t≤60————0.811.1341.2961.622.0252.8354.1.3表4.1.3 管内设流速管道公称外径dn（mm）＜160160～250＞250管道内的最大设计流速（m/s）≤1.5≤2.0≤2.54.1.34.1.34.1.3结合《室外给水设计规范》GB50013的相关内容，为确保胶圈电熔双密封聚乙烯复合供水管道系统的安全运行，制定本条规定。4.3.34.1.4-14.1.4-24.1.4-3dn200表4.1.4-1 通直的最允弯半(mm)公称外径dn50～160200～250315～800弯曲半径50dn75dn120dn表4.1.4-2 钢增管的小许曲径公称外径dn75～90110～160200～315355～560630～800弯曲半径60dn70dn90dn110dn120dn表4.1.4-3 纤增直管最允弯半(mm)公称外径dn75～90110～160200～250315～400450～630弯曲半径50dn60dn85dn100dn110dn4.1.44.1.4向。但是增强型胶圈电熔承口双密封供水管材的增强纤维网结构限制了管材的弯曲柔4.1.24.1.54.1.540仍可应用，但老化寿命会有较大缩短。仍可应用，但老化寿命会有较大缩短。dn160管道布置200mm；40100m300mm；4.2.34.2.3本条规定了给水管道在一些场所需要采用外设保护套管的防护措施时，应符合的要求。4.2.64.2.60.85～0.90。4.2.74.2.740℃12.5管道水力计算4.3.1hf4.3.1式中：

hl=λ

𝐿

𝑣22𝑔

（4.3.1）hl——管道水流沿程水头损失（m）；λ——管道水力摩阻系数；L——管段长度（m）；v（m/s）；di——diE（.81/2。管道沿程水头损失也可参照附录F选用。HDPECJJ101CJJ101给出了管Lars-EricJansonPlasticsPipesforWaterSupplyandSewageDisposalHostalenTechnicalManualforHostalenPipesmm。但前者0.01～0.05)mmO.lmm400mm、流量700m³/h1.54m/snO.Olmm0.0051m；当n0.15mm0.0057m。公式中管道水力摩阻系数、雷诺数、水的运动黏滞度等参数的计算要求如下：1 =-l�2.51�λ 𝑣𝑑𝑖

+ 𝑛

� （4.3.1-1）Re=

（4.3.1-2）𝛾式中：

γ 0.01775=1+0.0337𝑡+0.00022𝑡2=

（4.3.1-3）λ——管道水力摩阻系数v（m/s）di——diD0510152025303540455060γ（C㎡/S）1.7751.5121.3101.1451.0100.8950.8030.7250.6590.6030.5560.478Re——雷诺数n——管道当量粗糙度Re——雷诺数n——管道当量粗糙度n，一般取0.010γ——水的运动黏滞度，不同水温时水的运动黏滞度γ也可按下表确定。不同水温时水的γ值单位长度水头损失也可按具有相同内径的聚乙烯内壁材质的给水管道计算表选用。𝑣2hs=k·2𝑔

（4.3.2）式中：hs——局部水头损失（m）；k——局部阻力系数；（.81/2。在计算资料不足的情况下，管道局部水头损失可按管网沿程水头损失的百分数计算：8%～12%；12%～18%。𝑣𝑏Pb=Δv·𝑔 （4.3.4-1）1vb=1�𝛾𝑤�1+𝑐·𝑑𝑖

（4.3.4-2）𝑔𝐸𝑤𝐸𝑝·𝑒式中：Pb——20℃条件下，管道的水锤压力（m）；Δ（m/s；vb（m/s）；（.81/2；γw（kg/m³）；c0.75～1.0；di——管道的计算内径di（m），可按附录E选用；（/2；4.3.3 e4.3.3 系统，管材的弹性模量Ep值应由产品生产企业提供，水锤压力也可由产品生产企业根据设计单位提供的设计参数等条件，经计算后提供。当管道内的最大设计流速不超过本规程第4.1.3条的规定时，管道内的水锤压力也可参考以下数值。20℃、管端自由度为0.75时管道内水锤压力参考表20℃、管端自由度为1.0时管道内水锤压力参考表管道内（m/s）管道公称外径(mm)管材类别普通型管材钢丝增强型管材管道公称压力（MPa）0.60.81.01.61.01.41.62.02.53.5水锤压力（MPa）1.550———0.518———1.0131.1031.10363———0.473———0.9080.9810.98175——0.370———0.7860.8620.8980.93290——0.370———0.7520.7860.8500.8501100.2900.328——0.6800.7100.7680.7680.8470.9201400.2910.327——0.6020.6800.7270.7500.8140.8542.01600.3890.437——0.8170.9070.9620.9891.0651.136管道内管道内（m/s）管道公称外径(mm)管材类别普通型管材钢丝增强型管材管道公称压力（MPa）0.60.81.01.61.01.41.62.02.53.5水锤压力（MPa）1.550———0.593———1.1321.2251.22563———0.543———1.0211.0981.09875——0.425———0.8900.9721.0101.04690——0.425———0.8530.8900.9580.9581100.3340.378——0.7730.8070.8700.8700.9551.0331400.3350.3768——0.6870.7730.8250.8500.9200.9632.01600.4480.503——0.9311.0311.0921.1211.2041.2812000.4460.502——0.8660.9521.0051.0561.1521.2232250.4450.502——0.8720.9240.9731.06911.121—2500.4460.500——0.9470.9481.0111.0731.140—2.53150.5580.625——1.1051.1281.1731.2601.393—3550.5570.625——1.0641.1061.1471.2691.381—4000.5560.626——1.0231.0821.1191.236——4500.5560.626——1.0031.0951.1601.236——5000.5560.625——1.0191.1011.1861.276——5600.5560.626——1.0931.2011.252———6300.5560.625——1.1051.2011.264———7100.5570.626——1.1271.2481.303———8000.5560.625——1.1191.2581.321———2000.3880.437——0.7580.8350.8830.9291.0171.0832250.3870.436——0.7640.8100.8540.9410.989—2500.3870.435——0.8300.8320.8880.9441.006—2.53150.4840.543——0.9670.9881.0291.1071.228—3550.4840.543——0.9310.9691.0061.1151.217—4000.4830.544——0.8950.9470.9801.086——4500.4830.544——0.8760.9591.0171.085——5000.4830.543——0.8910.9641.0401.121——5600.4830.544——0.9571.0541.100———6300.4830.543——0.9671.0541.111———7100.4840.544——0.9871.0961.146———8000.4830.543——0.9801.1061.163———管道结构计算GB50332CJJ1014.4.14.4.1管道结构设计通常包括内压下的强度计算、管壁截面环向稳定性计算、管道竖向变形计算、伸缩补偿计算、轴向止推力计算和埋地管道的抗浮计算等。由于增强型胶圈电熔承口双密封供水管的管壁复合结构比较复杂，设计人员无法获得管道网格参数，无法计算管道在公称压力下的环向应力安全性。管道的耐压能力是以产品符合国家现行标准HG/T3690、HG/T3691、CJ/T123、CJ/T124为基本保障的，按本规程选择应用时需再次核算其耐压强度。管壁截面环向稳定性和管道竖向变形，可参照现行行业标准《埋地聚乙烯给水管道工程技术规程))CJJ101中的相关内容计算。4.4.2Δ=··t （.4.）式中：Δ（m；α——管道的线膨胀系数（m/m·℃），可按表4.4.2取值；fm；普通型聚乙烯管非金属纤维增强型聚乙烯复合管钢丝增强型聚乙烯复合管0.15～0.200.13～0.180.10～0.15普通型聚乙烯管非金属纤维增强型聚乙烯复合管钢丝增强型聚乙烯复合管0.15～0.200.13～0.180.10～0.15拉）Ft4.4.3Ft=α·El·Sw·Δt 式中：Ft——由温差引起的管段轴向推（拉）力（kg）；El——管材纵向弹性模量（kg/m2）；Sw——管道的管壁环形截面积（m2）；4.4.2～4.4.334.4.2～4.4.33HDPE1/3351‰4000MPa)，上述变形引起的热应力约为4MPa管 道 施 工一般规定GB502685404154mm（，Φ50mm-Φ9011－21.5325.1.11123、、、7、9、10、12、13411插入承口深度表承口规格mm50637590110140160200225250315355400450500560630710800承插深度mm9010012013513814815818018018621023025026029031034040045050mm100mm50mm物体。5.1.17贮 运2401.5m。1.5m.251.5m，并保埋地敷设dn＜500mmdn≥500mm0.5m。150mm20m＋20m-20mm)。40mm950.5m5.3.25.3.2))GB50268的))GB50268100mm85％～90150mm～200mm。5.3.35.3.3规定了管道基础和垫层要求。S0.5m700mm300mm50mm700mm15%100mm。5.3.8选用。表5.3.8 常压工的回土度（mm）压实工具每层回填土厚度压实工具每层回填土厚度木夯、铁夯150～200普通压路机300～400轻型压实设备250～300振动压路机400～5000.7m0.7m1.0m150mm5.3.3l0.3dn93％。O.5m8590％。0.5m80％。5.3.8～5.3.95.3.8～5.3.9柔性管道结构的支撑强度是按管土共同作用的理论建立的，管底垫层和5.1.10 架空敷设5.4.1本条规定了架空安装时管道支架的基本形式，采用U形支架和柔性衬垫是为了避免支架对管道外壁形成点载荷或线载荷引起应力集中。UU0.6dn～0.8dn1/45mm的柔性5.4.1本条规定了架空安装时管道支架的基本形式，采用U形支架和柔性衬垫是为了避免支架对管道外壁形成点载荷或线载荷引起应力集中。1/25.4.2～5.4.45.4.2～5.4.4是根据架空管道安装一般作业方式结合钢骨架塑料复合管特性做出的规定。dn≤200mmdn＞200mm3.0m多层房屋内每层不得少于1个支架，与楼面的距离不宜小于0.6m。5.4.10表5.4.10 平道、吊最间距管道公称外径dn（mm）50637590110140160200225250315355400450500560630管道支、吊架最大间距（m）普通型管0.91.11.21.41.61.92.12.32.52.63.03.43.74.14.65.25.7非金属1.01.21.31.51.72.02.32.52.83.03.43.74.14.65.25.76.1金属增强型管1.21.31.51.71.92.22.63.03.44.04.555.45.86.26.77.312m12m水下敷设管道水下埋设是在水下开敷设管道的方法，与开挖施工有很多相似之处，是各种管道建设工程都会遇到的常见工程环境。本节仅列出水下埋设的基本条件和技术要求，设计和施工应满足国家或地方相关法律法规的要求。管道水下埋设是在水下开敷设管道的方法，与开挖施工有很多相似之处，是各种管道建设工程都会遇到的常见工程环境。本节仅列出水下埋设的基本条件和技术要求，设计和施工应满足国家或地方相关法律法规的要求。50m1m4.1.4400m20m5.5.85.5.85.5.95.5.91m;有2m水平定向钻施工水平走向钻施工是管道施工的通用技术，适用于多种管道。本节根据钢骨架塑料复合管特性及定向钻穿越施工的基本要求而定。水平走向钻施工是管道施工的通用技术，适用于多种管道。本节根据钢骨架塑料复合管特性及定向钻穿越施工的基本要求而定。1.55.6.15.6.1钢骨架塑料复合管公称直径为管材内径，钻孔直径应按管道最大外径确定。0.3m/min～1.0m/min5.6.25.6.25.6.35.6.3本条是为了保护管道外壁不被划伤。4m的位置。5.6.55.6.5复合曲线路径可显著增加管道回拖阻力，增大管道在洞内损伤的风险，故应尽量避免。35DN300800dnDN350lOOOdn。5.6.65.6.6HDPE5.6.7-1规5.6.7-2≥1.6MPa1.6Mpa表5.6.7-1 道许向稳拉力管道公称外径dn（mm）50637590110140160200225250315355400450500560630非金属增强型管1515202329364358617286100115130145150158金属）增强型管1515202329364358617286100115130145150158表5.6.7-2 道许向瞬最拉力管道公称外径dn（mm）50637590110140160200225250315355400450500560630管道允许轴向瞬间最大拉力（kN）非金属303040465860689398115140160184210230240252金属增强型管3030404658606893981151401601842102302402525.6.75.6.73～4倍安5.6.7满足300m20m30m。5.6.8～5.6.95.6.8～5.6.9管道人土端预留足够距离，是为了避免钻头出土时角度达不到规定数值，可采取开挖坡道或将人口路线按管道弯曲半径要求修成"猫背"方式补救。20m5.6.115.6.11角焊目的是减少前进阻力，避免电熔套筒的台阶啃伤。5.6.125.6.12钢骨架塑料复合管管壁为复合结构，打孔会破坏钢网完整性，从而显著降低耐轴向拉力。长距离回拖时，可能会发生在打孔部位将管壁拉断。100m水压试验、冲洗、消毒1.0km1.0m)500mm；12h；1.51.3～1.5150mm2升压。5.7.55.7.5分级升压是为了试验安全，并可尽早发现管道缺陷。可根据试验压力决定分级升压方式，每级压力一般不超过0.5MPa。埋地胶圈电熔双密封聚乙烯供水普通型复合供水管道水压预试验阶段的步骤及要60min30min60min60min7060min70埋地胶圈电熔双密封聚乙烯普通型复合供水管道水压主试验阶段的步骤及要求如下：Δ（5.7.1Vmax（L。ΔVmax1.V·ΔP·/Ew＋/·Ep）} 5.711）式中V（L；ΔP（P；Ew——水的体积模量(MPa),不同水温时Ew值可按表5.7.11选用；；m。表5.7.11不同温度下水的体积模量水温(℃)51015202530水的体积模量Ew(MPa)20802110214021702210223023min30min30min30min60min90min内压力下降不超过0.02MPa，则水压试验结果合格。埋地胶圈电熔双密封聚乙烯增强型复合供水管道的水压试验要求和现场水压试验CECS17GB50268500mdn200mmQ5.7.12Q≤0.4·di·Pt （5.7.12）500m、dn200mmPt(MPa)作用下稳压1h，压力降不得大于0.05MPa1.15Pt(MPa2h0.03MPa。5.7.11～5.7.125.7.11～5.7.12针对普通型胶圈电熔承口双密封供水管道和增强型胶圈电熔承口双密5.7.125.3.85NTU1.0m/s20～30mg/L24h6 6.0.1附录A 胶圈电熔双密封聚乙烯管道接口结构胶圈电熔双密封聚乙烯管道接口结构见图A。图A胶圈电熔双密封管道接口结构图1-管材承口；2-承入止口；3-橡胶密封圈；4-电热熔区；5-管材；6—防位移安全区长度；7—承入深度附录B 胶圈电熔双密封聚乙烯复合供水管材胶圈电熔双密封聚乙烯增强型复合供水管材结构见图B.1。图B.1 圈熔密增强复供管结1-管材承口；2-承入止口；3-橡胶密封圈；45-防位移安全区长度；6-承入深度；7-外层聚乙烯；8-复合层树脂；910-内层聚乙烯胶圈电熔双密封聚乙烯普通型复合供水管材结构见图B.2。图B.2 圈熔密普通复供管结1-管材承口；2-承入止口；3-橡胶密封圈；4-电热熔区；5-防位移安全区长度；6-承入深度；7-高密度聚乙烯胶圈电熔双密封聚乙烯普通型复合管材规格见表B.3。表B.3 胶电双聚乙普型合材公称外径(mm)公称压力（MPa）0.60.81.01.6基本尺寸极限偏差50+1.24.563+1.25.775+1.2--4.5-90+1.4--5.4-110+1.54.25.3--140+1.75.46.7--160+2.06.27.7--200+2.37.79.6--225+2.58.610.8--250+2.59.611.9--315+2.712.115.0--355+2.813.616.9--400+3.015.319.1--450+3.317.221.5--500+3.219.123.8--560+3.221.426.7--630+3.224.130.0--710+3.527.233.9--800+3.530.638.1--胶圈电熔双密封聚乙烯非金属增强型复合管材规格见表B.4。表B.4胶圈电熔双密封聚乙烯非金属增强型复合管材规格公称外径(mm)公称压力（MPa）1.01.41.62.02.53.5基本尺寸极限偏差公称壁厚及极限偏差（mm）50+1.25.51.26.5+1.56.5+1.563+1.25.5+1.26.5+1.56.5+1.575+1.2--5.0+1.26.0+1.26.5+1.57.0+1.590+1.4--5.5+1.56.0+1.57.0+1.57.0+1.5110+1.55.5+1.56.0+1.57.0+1.57.0+1.58.5+1.510.0+1.5140+1.75.5+1.57.0+1.58.0+1.58.5+1.510.0+1.511.0+1.5160+2.06.5+1.58.0+1.59.0+1.59.5+1.511.0+2.012.5+2.0200+2.37.0+1.58.5+1.59.5+1.510.5+2.012.5+2.014.0+2.2225+2.58.0+1.59.0+1.510.0+2.012.0+2.013.0+2.0-250+2.510.5+2.011.0+2.012.0+2.213.5+2.215.0+2.2-315+2.711.5+2.012.0+2.013.0+2.515.0+2.518.0+3.-355+2.812.0+2.213.0+2.214.0+2.517.0+3.20.0+3.-400+3.012.5+2.214.0+2.215.0+2.818.0+3.--450+3.313.5+2.516.0+2.518.0+2.820.0+3.--500+3.215.5+2.818.0+2.821.0+3.024.0+3.--560+3.220.0+3.024.0+3.026.0+3.0630+3.223.0+3.027.0+3.030.0+3.0710+3.527.0+3.033.0+3.36.0+3.800+3.530.0+3.038.0+3.42.0+3.胶圈电熔双密封聚乙烯金属增强型复合管材规格见表B.5。表B.5胶圈电熔双密封聚乙烯金属增强型复合管材规格公称外径(mm)公称压力（MPa）1.01.41.62.02.53.5基本尺寸极限偏差公称壁厚及极限偏差（mm）50+1.25.51.26.5+1.56.5+1.563+1.25.5+1.26.5+1.56.5+1.575+1.2--5.0+1.26.0+1.26.5+1.57.0+1.590+1.4--5.5+1.56.0+1.57.0+1.57.0+1.5110+1.55.5+1.56.3+1.57.0+1.57.0+1.58.5+1.510.0+1.5140+1.76.0+1.57.0+1.58.0+1.58.5+1.510.0+1.511.0+1.5160+2.06.5+1.58.0+1.59.0+1.59.5+1.511.0+2.012.5+2.0200+2.37.0+1.58.5+1.59.5+1.510.5+2.012.5+2.014.0+2.2225+2.58.0+1.59.0+1.510.5+2.012.0+2.013.0+2.0-250+2.510.5+2.011.0+2.012.0+2.213.5+2.215.0+2.2-315+2.711.5+2.012.0+2.013.0+2.515.0+2.518.0+3.-355+2.812.0+2.213.0+2.214.0+2.517.0+3.20.0+3.-400+3.012.5+2.214.0+2.215.0+2.818.0+3.--450+3.313.5+2.516.0+2.518.0+2.820.0+3.--500+3.215.5+2.818.0+2.821.0+3.024.0+3.--560+3.220.0+3.024.0+3.026.0+3.0630+3.223.0+3.027.0+3.030.0+3.0710+3.527.0+3.033.0+3.36.0+3.800+3.530.0+3.038.0+3.42.0+3.附录C 胶圈电熔双密封聚乙烯管件C.1.1。图C.1.1 普型圈熔双封件口构图1-胶圈电熔双密封直接；2-承入止口；3-橡胶密封圈；4-电热熔区；5-电熔接线柱；6-防位移安全区；7-承入深度C.1.2。图C.1.2 非属维强型圈熔口密管件口构图1-胶圈电熔双密封直接；2-承入止口；3-橡胶密封圈；4-电热熔区；5-电熔接线柱；6-防位移安全区；7-承入深度；8-纤维增强材料；9-移固定型树脂C.1.3。图C.1.3 内金孔板增型圈熔口密封件口构图1-胶圈电熔双密封直接；2-承入止口；3-橡胶密封圈；4-电热熔区；5-电熔接线柱；6-防位移安全区；7-承入深度；8-内壁金属孔网板增强C.1.4。图C.1.4 内金板强型圈熔口密管件口构图1-胶圈电熔双密封直接；2-承入止口；3-橡胶密封圈；4-电热熔区；5-电熔接线柱；6-防位移安全区；7-承入深度；8-内径金属板增强C.2.1。图C.2.1 承胶双封法短结1-承盘胶圈双密封法兰短管；2-承入止口；3-橡胶密封圈；4-法兰；5-防位移安全区；6-承入深度C.2.2。图C.2.2 承胶双封法短连示1-承盘胶圈双密封法兰短管；2-承入止口；3-橡胶密封圈；4-法兰；5-防位移安全区；6-承入深度；7-活套法兰片；8-电热熔区；9-电熔法兰；10-管材；11-螺栓；12-螺母；13-阀门或其他管道45胶圈电熔双密封单承单插45°弯头规格见表C.3.1。表C.3.1胶圈电熔双密封单承单插45°弯头规格管件示意图公称直径dn承口深度L/mm≥熔区长度L1/mm≥插口长度L2/mm≥胶圈电熔双密封单承单插45°弯头751203012590130301351101353514014014535150160152401602001704018022517540185250180451903152005021035522060225400240802454502589025850027310027356029512029563032514032571035016035080040020040045胶圈电熔双密封双承单插45°弯头规格见表C.3.2。表C.3.2胶圈电熔双密封双承单插45°弯头规格管件示意图公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥胶圈电熔双密封双承45°弯头751203090130301101353514014535160152402001704022517540250180453152005035522060400240804502589050027310056029512063032514071035016080040020090胶圈电熔双密封单承单插90°弯头规格见表C.3.3。表C.3.3胶圈电熔双密封单承单插90°弯头规格管件示意图公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥插口长度L2/mm≥胶圈电熔双密封单承单插90°弯头751203012590130301351101353514014014535150160152401602001704018022517540185250180451903152005021035522060225400240802454502589025850027310027356029512029563032514032571035016035080040020040090胶圈电熔双密封双承单插90°弯头规格见表C.3.4。表C.3.4胶圈电熔双密封双承单插90°弯头规格管件示意图公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥胶圈电熔双密封双承90°弯头7512030901303011013535140145351601524020017040225175402501804531520050355220604002408045025890500273100560295120630325140710350160800400200胶圈电熔双密封单承双插三通规格见表C.3.5。表C.3.5胶圈电熔双密封单承双插三通规格管件形状图公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥插口长度L2/mm≥丁端公称直径dn1/mm丁端插口长度L3/mm≥胶圈电熔双密封单承双插三通751203012550806390751259013030135508063907512590135110135351405080639075125901351101601401453515075125901351101601401701601524016075125901351101601401701601802001704018075125901351101601401701601802002102251754018516018020021022521525018045190901351101601401701601802002102252152502203152005021011016016018020021022521525022031524035522060225250220315240355250管件形状图公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥插口长度L2/mm≥丁端公称直径dn1/mm丁端插口长度L3/mm≥胶圈电熔双密封单承双插三通4002408024511016016018020021022521525022031524035525040027045025890258315240355250400270450280500273100273315240355250400270450280500290560295120295315240355250400270450280500290560315630325140325315240355250400270450280500290560315630345710350160350500290560315630345710370800400200400630345710370800420胶圈电熔双密封双承插尾三通规格见表C.3.6。表C.3.6胶圈电熔双密封双承插尾三通规格管件图形公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥插口长度L2/mm≥丁端公称直径dn1/mm丁端承口深度L3/mm≥丁端熔区长度L4/mm≥胶圈电熔双密封双承尾插三通7512030125751203090130301357512030901303011013535140751203090130301101353514014535150751203090130301101353514014535160152401607512030901303011013535140145351601524020017040180751203090130301101353514014535160152402001704022517540185160152402001704022517540250180451909013030110135351401453516015240200170402251754025018045315200502101101353516015240200170402251754025018045管件图形公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥插口长度L2/mm≥丁端公称直径dn1/mm丁端承口深度L3/mm≥丁端熔区长度L4/mm≥31520050355220602252501804531520050355220604002408024511013535160152402001704022517540250180453152005035522060400240804502589025831520050355220604002408045025890500273100273315200503552206040024080450258905002731005602951202953152005035522060400240804502589050027310056029512063032514032531520050355220604002408045025890500273100560295120630325140710350160350500273100560295120630325140710350160800400200400630325140710350160管件图形公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥插口长度L2/mm≥丁端公称直径dn1/mm丁端承口深度L3/mm≥丁端熔区长度L4/mm≥800400200胶圈电熔双密封双承丁插三通规格见表C.3.7。表C.3.7胶圈电熔双密封双承丁插三通规格管件示意图公称直径dn/mm承口深度熔区长度L1/mm≥丁端公称dn1/mm丁端插口长度L2/mm≥胶圈电熔双密封双承丁插三通751203050806390751259013030508063907512590135110135355080639075125901351101601401453575125901351101601401701601524075125901351101601401701601802001704075125901351101601401701601802002102251754016018020021022521525018045901351101601401701601802002102252152502203152005011016016018020021022521525022031524035522060250220315240355250管件示意图公称直径dn/mm承口深度熔区长度L1/mm≥丁端公称dn1/mm丁端插口长度L2/mm≥胶圈电熔双密封双承丁插三通4002408011016016018020021022521525022031524035525040027045025890315240355250400270450280500273100315240355250400270450280500290560295120315240355250400270450280500290560315630325140315240355250400270450280500290560315630345710350160500290560315630345710370800400200630345710370800420胶圈电熔双密封单承单插三通规格见表C.3.8。表C.3.8胶圈电熔双密封单承单插三通规格管件示意图公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥异径公称直径dn1/mm异径插口长度L2/mm≥胶圈电熔双密封单承单插异径直接75120305065636590130305065636575125110135355065636575130901351401453575125901351101401601524075125901351101401401502001704075125901351101401401501601602251754090135110140140150160160200180管件示意图公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥异径公称直径dn1/mm异径插口长度L2/mm≥胶圈电熔双密封单承单插异径直接250180459013511014014015016016020018022518531520050110140140150160160200180225185250190355220602501903152104002408020018025019031521035522545025890315210355225400245500273100315210355225400245450258560295120315210355225400245450258500273630325140315210355225400245450258500273560295710350160500273560295630325800400200630325710350电熔法兰规格见表C.3.9。表C.3.9电熔法兰规格管件示意图公称直径dn/mm插入深度L/mm≥熔区长度L1/mm≥电熔法兰7595309095301109535140100351601104020012040225120402501254531513550355150604001608045016590500170100560190120630210140710230160800270200电熔法兰规格见表C.3.10。表C.3.10电熔法兰规格管件示意图规格dn法兰内径D螺栓孔中心圆直径A钢法兰片759614590112160110145180140175210160198240200240295225265295250290350315355400355405460400450515450505565500560620560620725630685725710780840800870950胶圈电熔双密封双承等径直接管件规格见表C.3.11。表C.3.11胶圈电熔双密封双承等径直接管件规格管件示意图公称直径dn/mm承口深度L/mm≥熔区长度L1/mm≥胶圈电熔双密封双承等径直接7512030901303011013535140145351601524020017040225175402501804531520050355220604002408045025890500273100560295120630325140710350160800400200承盘胶圈双密封法兰短管规格见表C.3.12。表C.3.12承盘胶圈双密封法兰短管规格管件示意图规格dn承口内径D插入深入L/≥承盘胶圈双密封法兰短管757650909152110111551401427316016275200202852252279025025295315317110355357125400403140450453145500203160560563165630633180710714200800804205附录D 胶圈电熔双密封聚乙烯复合供水管增强钢丝复合中间层增强钢丝要求见表。表 合间管横面最钢条及强丝最直径管道公称外径管道公称压力PN（MPa）1.01.41.62.02.53.5钢丝）（根）钢丝直径（mm）钢丝条数（根）钢丝直径（mm）钢丝条数（根）钢丝直径（mm）钢丝条数（根）钢丝直径（mm）钢丝条数（根）钢丝直径（mm）钢丝条数（根）钢丝直径（mm）50――――――200.6260.6320.663――――――280.6360.6440.675――――240.6360.6480.6660.690――――400.6600.6800.61100.6110440.6600.6600.6840.6660.8840.8140600.6800.6800.61200.61000.81001.0160680.6960.6960.61300.61160.81241.02001100.61100.81100.81400.81301.01801.22251000.81400.81400.81500.81501.0――2501200.81600.81600.81441.01801.0――3152100.82101.02101.03001.03001.2――3552001.02401.12401.13301.13601.2――4002501.03001.13001.13001.2――――4502701.03901.13901.13901.2――――5003401.04001.24001.24001.4――――5602801.24001.44001.4――――――6303401.24401.44401.4――――――7104201.25001.45001.4――――――8004801.16001.46001.4――――――注：“―”表示为无此规格的胶圈电熔双密封聚乙烯增强型复合供水管材附录E 胶圈电熔双密封聚乙烯复合供水管道水力计算内径胶圈电熔双密封聚乙烯复合供水管道的水力计算内径可按表E采用。表E胶圈电熔双密封聚乙烯复合供水管道水力计算内径di公称外径mm公称压力（MPa）0.60.81.01.41.62.02.53.5外径尺寸极限偏差水力计算管材内径di（mm）50+1.240.039.037.037.063+1.248.451.050.050.075+1.266.065.063.062.061.090+1.479.279.078.076.076.0110+1.5101.699.499.098.096.096.093.090.0140+1.7129.2126.6129.0126.0124.0123.0120.0118.0160+2.0147.6144.6147.0144.0142.0141.0138.0135.0200+2.3184.6180.8186.0183.0181.0179.0174.0169.0225+2.5207.6203.6209.0207.0205.0199.0193.0250+2.5230.8226.2229.0239.0226.0222.0214.0315+2.7290.8285.0292.0291.0289.0284.0271.0355+2.8327.6321.2331.0329.0327.0317.0307.0400+3.0369.4361.8375.0372.0370.0356.0450+3.3415.6407.0423.0414.0410.0396.0500+3.2461.8452.2469.0460.0456.0442.0560+3.2517.2506.6520.0506.6500.0630+3.2581.8570.0584.0570.0564.0710+3.5655.6642.2656.0639.0632.0800+3.5738.8723.8740.0722.0714.0注：空格表示暂无此规格管道附录F单位管长沿程阻力损失水力计算表F．1公称外径dn50胶圈电熔双密封聚乙烯复合供水管道单位管长沿程阻力损失见表F.1。表F.1公称外径dn50胶圈电熔双密封聚乙烯复合供水管道单位管长沿程阻力损失水力计算表QPN/di1.6MPa/40.0mm2.0MPa/39.0mm2.5MPa/37.0mm3.5MPa/37.0mmm3/hL/svivivivi1.440.40.320.00410.340.00460.370.00590.370.00591.800.50.400.00600.420.00680.470.00870.470.00872.160.60.480.00830.500.00930.560.01200.560.01202.520.70.560.01080.590.01230.650.01580.650.01582.880.80.640.01380.670.01550.740.02000.740.02003.240.90.720.01690.750.01920.840.02460.840.02463.601.00.800.02040.840.02310.930.02970.930.02973.961.10.880.02420.920.02731.020.03521.020.03524.321.20.960.02831.010.03191.120.04111.120.04114.681.31.040.03261.090.03691.210.04741.210.04745.041.41.110.03721.170.04201.300.05421.300.05425.401.51.190.04221.260.04761.400.06151.400.06155.761.61.270.04741.340.05351.490.06901.490.06906.121.71.350.05281.420.05961.580.07691.580.07696.481.81.430.05841.510.06591.670.08541.670.08546.841.91.510.06441.590.07281.770.09391.770.09397.202.01.590.07081.680.07991.860.10311.860.10317.562.11.670.07731.760.08731.950.11261.950.11267.922.21.750.08411.840.0950————8.282.31.830.09101.930.1028————8.642.41.910.09822.010.1114————9.002.51.990.1060——————F．F．PAGE3dn75F.3。表F.2公称外径dn63胶圈电熔双密封聚乙烯复合供水管道单位管长沿程阻力损失水力计算表QPN/di1.6MPa/48.4mm2.0MPa/51.0mm2.5MPa/50.0mm3.5MPa/50.0mmm3/hL/svivivivi2.160.60.330.00330.290.00260.310.00290.310.00292.880.80.440.00550.390.00430.410.00470.410.00473.601.00.540.00820.490.00640.510.00700.510.00704.321.20.650.01130.590.00880.610.00970.610.00975.041.40.760.01490.690.01160.710.01270.710.01275.761.60.870.01890.780.01470.820.01610.820.01616.481.80.980.02330.880.01810.920.01990.920.01997.202.01.090.02820.980.02191.020.02401.020.02407.922.21.200.03351.080.02601.120.02861.120.02868.642.41.310.03911.180.03041.220.03341.220.03349.362.61.410.04511.270.03501.320.03851.320.038510.082.81.520.05151.370.04001.430.04401.430.044010.803.01.630.05831.470.04531.530.04981.530.049811.523.21.740.06571.570.05111.630.05611.630.056112.243.41.850.07341.670.05681.730.06271.730.062712.963.61.960.08111.760.06311.830.06931.830.069313.683.8——1.860.06961.940.07641.940.076414.404.0——1.960.0763————表F.3公称外径dn75胶圈电熔双密封聚乙烯复合供水管道单位管长沿程阻力损失水力计算表QPN/di1.0MPa/66mm1.6MPa/65mm2.0MPa/63.0mm2.5MPa/62.0mm3.5MPa/61.0mmm3/hL/svivivivivi3.601.00.290.00190.300.00200.320.00230.330.00250.340.00274.321.20.350.00260.360.00280.390.00320.400.00350.410.00375.041.40.410.00340.420.00360.450.00420.460.00450.480.00495.761.60.470.00430.480.00460.510.00530.530.00580.550.00626.481.80.530.00530.540.00570.580.00660.600.00710.620.00777.202.00.580.00630.600.00680.640.00790.660.00860.680.00927.922.20.640.00750.660.00810.710.00940.730.01010.750.01098.642.40.700.00870.720.00940.770.01090.800.01190.820.01289.362.60.760.01010.780.01090.830.01260.860.01370.890.014810.082.80.820.01150.840.01240.900.01440.930.01560.960.016910.803.00.880.01310.900.01410.960.01640.990.01761.030.019111.523.20.940.01470.960.01581.030.01831.060.01981.100.021512.243.40.990.01631.030.01761.090.02041.130.02211.160.023912.963.61.050.01811.090.01951.160.02271.190.02451.230.026513.683.81.110.01991.150.02151.220.02501.260.02701.300.029314.404.01.170.02191.210.02361.280.02751.330.02961.370.032115.124.21.230.02391.270.02581.350.03001.390.03231.440.035115.844.41.290.02601.330.02801.410.03261.460.03511.510.038116.564.61.350.02821.390.03031.480.03531.520.03821.570.041217.284.81.400.03041.450.03281.540.03821.590.04121.640.044718.005.01.460.03271.510.03531.600.04101.660.04451.710.048018.725.21.520.03521.570.03801.670.04421.720.04761.780.051619.445.41.580.03771.630.04051.730.04711.790.05111.850.055120.165.61.640.04021.690.04341.800.05041.860.05461.920.0590QPN/di1.0MPa/66mm1.6MPa/65mm2.0MPa/63.0mm2.5MPa/62.0mm3.5MPa/61.0mmm3/hL/svivivivivi20.885.81.700.04291.750.04631.860.05381.920.05801.990.062921.606.01.750.04571.810.04901.930.05731.990.0618——22.326.21.810.04851.870.05211.990.0605————23.046.41.870.05141.930.0552——————23.766.61.930.05441.990.0584——————24.486.81.990.0574————————F．4F．4dn90F.4。表F.4公称外径dn90胶圈电熔双密封聚乙烯复合供水管道单位管长沿程阻力损失水力计算表QPN/di1.0MPa/79.2mm1.6MPa/79mm2.0MPa/78.0mm2.5MPa/76.0mm3.5MPa/76.0mmm3/hL/svivivivivi5.401.50.300.00160.310.00160.310.00170.330.00190.330.00197.202.00.410.00260.410.00270.420.00280.440.00320.440.00329.002.50.510.00390.510.00400.520.00420.550.00480.550.004810.803.00.610.00540.610.00550.630.00590.660.00660.660.006612.603.50.710.00720.710.00720.730.00770.770.00880.770.008814.404.00.810.00910.820.00920.840.00980.880.01110.880.011116.204.50.910.01120.920.01140.940.01210.990.01370.990.013718.005.01.020.01361.020.01381.050.01461.100.01661.100.016619.805.51.120.01611.120.01631.150.01731.210.01961.210.019621.606.01.220.01881.220.01911.260.02031.320.02301.320.023023.406.51.320.02181.330.02201.360.02351.430.02661.430.026625.207.01.420.02501.430.02531.470.02681.540.03041.540.030427.007.51.520.02821.530.02861.570.03051.650.03451.650.034528.808.01.620.03181.630.03221.680.03431.760.03881.760.038830.608.51.730.03551.730.03591.780.03831.870.04341.870.043432.409.01.830.03931.840.03981.880.04251.980.04811.980.048134.209.51.930.04341.940.04391.990.0468————F．5F．5dn110F.5。表F.5公称外径dn110胶圈电熔双密封聚乙烯复合供水管道单位管长沿程阻力损失水力计算表QPN/di0.6MPa/101.6mm0.8MPa/99.4mm1.0MPa/99.0mm1.4MPa/98.0mm1.6MPa/96.0mm2.0MPa/96.0mm2.5MPa/93.0mm3.5MPa/90.0mmm3/hL/svivivivivivivivi7.202.0————————————0.290.00120.310.00149.002.50.310.00120.320.00130.320.00130.330.00140.350.00160.350.00160.370.00180.390.002110.803.00.370.00160.390.00190.390.00190.40.00200.410.00210.410.00210.440.00250.470.002912.603.50.430.00220.450.00240.450.00240.460.00250.480.00280.480.00280.520.00340.550.003914.404.00.490.00270.520.00310.520.00310.530.00330.550.00360.550.00360.590.00420.630.004916.204.50.560.00340.580.00380.580.00380.60.00410.620.00440.620.00440.660.00510.710.006118.005.00.620.00410.640.00450.650.00460.660.00480.690.00540.690.00540.740.00630.790.007419.805.50.680.00490.710.00540.710.00540.730.00580.760.00640.760.00640.810.00740.860.008621.606.00.740.00570.770.00630.780.00640.80.00680.830.00750.830.00750.880.00860.940.010123.406.50.800.00650.840.00730.840.00730.860.00780.90.00860.90.00860.960.01011.020.011725.207.00.860.00740.90.00830.910.00850.930.00900.970.00990.970.00991.030.01151.10.013427.007.50.930.00850.970.00950.970.00950.990.01001.040.01121.040.01121.10.01291.180.015228.808.00.990.00961.030.01061.040.01081.060.01131.110.01261.110.01261.180.01471.260.017230.608.51.050.0