欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    ASTM F512-2012 Standard Specification for Smooth-Wall Poly(Vinyl Chloride) (PVC) Conduit and Fittings for Underground Installation《地下装置用平坦壁聚氯乙烯 (PVC) 导管及配件的标准规范》.pdf

    • 资源ID:536811       资源大小:120.68KB        全文页数:12页
    • 资源格式: PDF        下载积分:5000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要5000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    ASTM F512-2012 Standard Specification for Smooth-Wall Poly(Vinyl Chloride) (PVC) Conduit and Fittings for Underground Installation《地下装置用平坦壁聚氯乙烯 (PVC) 导管及配件的标准规范》.pdf

    1、Designation: F512 06 F512 12 An American National StandardStandard Specification forSmooth-Wall Poly(Vinyl Chloride) (PVC) Conduit andFittings for Underground Installation1This standard is issued under the fixed designation F512; the number immediately following the designation indicates the year of

    2、 originaladoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon () indicates an editorial change since the last revision or reapproval.1. Scope Scope*1.1 This specification covers the requirements for singl

    3、e wall and coextruded cellular core smooth-wall poly(vinyl chloride)conduit and fittings for underground communication and electrical power wire and cables. Plastics which does not meet thematerial requirements specified in Section 5 is excluded from single layer and all coextruded layers.1.2 The va

    4、lues given in parentheses are for information only.1.3 The following safety hazards caveat pertains only to the test method portion, Section 8, of this specification:This standarddoes not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the

    5、user of thisstandard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD1600 Terminology for Abbreviated Terms Relating to PlasticsD

    6、1784 Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC)CompoundsD2122 Test Method for Determining Dimensions of Thermoplastic Pipe and FittingsD2152 Test Method for Adequacy of Fusion of Extruded Poly(Vinyl Chloride) (PVC) Pipe and Molded Fitting

    7、s by AcetoneImmersionD2412 Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate LoadingD2444 Test Method for Determination of the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (FallingWeight)D2466 Specification for Poly(Vinyl Ch

    8、loride) (PVC) Plastic Pipe Fittings, Schedule 40D2564 Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping SystemsD2855 Practice for Making Solvent-Cemented Joints with Poly(Vinyl Chloride) (PVC) Pipe and FittingsF412 Terminology Relating to Plastic Piping Systems3. Termin

    9、ology3.1 Definitions are in accordance with Terminology F412 and abbreviations are in accordance with Terminology D1600, unlessotherwise specified. The abbreviation for poly(vinyl chloride) is PVC.3.2 Definitions of Terms Specific to This Standard:3.2.1 cellular plastica plastic containing numerous

    10、cells, intentionally introduced, interconnecting or not, distributedthroughout the mass.3.2.2 coextruded pipepipe consisting of two or more concentric layers of material bonded together in processing by anycombination of temperature, pressure, grafting, cross-linking or adhesion.1 This specification

    11、 is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subcommittee F17.25 on Vinyl BasedPipe.Current edition approved May 1, 2006Aug. 1, 2012. Published June 2006September 2012. Originally approved in 1977. Last previous edition approved in 20

    12、012006 asF512 95F512(2001)06. 1. DOI: 10.1520/F0512-06.10.1520/F0512-12.2 For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the

    13、 ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users con

    14、sult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken

    15、, PA 19428-2959. United States13.2.3 coextrusiona process whereby two or more heated or unheated plastic material streams, forced through one or moreshaping orifice(s), become one continuously formed piece.3.2.4 external recycled materialindustrial rework generated by a different company manufacturi

    16、ng to this specification.Composition is known by the industrial source of the material.3.2.5 post-consumer recycled materialfinished goods that have been purchased by the public, then returned to industry andreprocessed into raw materials. Identity of finished goods is known by the reprocessing comp

    17、any.3.2.6 certificate of compositiona certificate describing the certain properties of an external recycled material of a postconsumer recycled material.3.2.7 composition disclosurea document describing the formulation of an external recycled material.4. Classification4.1 This specification covers f

    18、ive types of underground conduit. There are two having lesser pipe stiffness values, designedprimarily for concrete encased burial (EB), and three with greater pipe stiffness values, designed primarily for direct burial (DB).The complete designations follow:Type EB-20 Designed to be encased in concr

    19、ete.Type EB-35 Designed to be encased in concrete.Type DB-60 Designed for direct burial without encasement in concrete.Type DB-100 Designed for direct burial without encasement in concrete.Type DB-120 Designed for direct burial without encasement in concrete.4.2 This specification covers conduit wit

    20、h integral bells, or with either separate or attached couplings.4.3 This specification covers molded and fabricated fittings intended for use with all types of conduit.5. Materials5.1 Basic MaterialsThe conduit shall be made of virgin homopolymer PVC compound having a cell classification of 12254,12

    21、1643 (with a minimum tensile strength of 4000 psi (28 MPa), or 12264(with a minimum tensile modulus of 500 000 psi) asdefined in Specification D1784. Molded fittings shall be made from PVC compound having a cell classification of 12234 or 13343as defined in Specification D1784. Homopolymer PVC compo

    22、unds must equal or exceed the requirements of the listed cellclassification numbers.5.2 Rework MaterialsRework material from the manufacturers own conduit or fittings production may be used by the samemanufacturer, provided that the conduit or fittings produced meet all of the requirements of this s

    23、pecification. Rework materialfrom the manufactures coextruded cellular core conduit shall be used in the core if it contains any residual blowing agent. Thepipe produced shall meet all of the requirements of this specification.5.3 Recycled PVC MaterialsRecycled PVC materials conforming to the cell c

    24、lassification of this specification may be usedprovided they are clean and free from foreign materials and provided that the conduit or fittings produced meet all requirementsof this specification.5.4 Solvent CementThe solvent cement shall meet the requirements of Specification D2564.6. Requirements

    25、6.1 WorkmanshipThe conduit and fittings shall be homogeneous throughout, and free from visible cracks, holes, foreigninclusions, or other injurious defects. The conduit and fittings shall be as uniform as is commercially practical in color, opacity,density, and other physical properties.6.2 Dimensio

    26、ns:6.2.1 Dimensions shall be determined in accordance with Test Method D2122.6.2.2 The dimensions and tolerances of the conduit shall be as specified in Table 1.6.2.3 LengthsConduit shall be supplied in lengths of 20 or 25 ft, or as otherwise agreed upon between the purchaser and theseller. A length

    27、 shall be considered to be the overall length of the conduit, including integral bell, or coupling if attached, unlessotherwise specified. Tolerance on length shall be 61 in. (625 mm).6.2.4 Integral Bell Dimensions:6.2.4.1 Two systems of fit for integral bells are in common use. Unless otherwise spe

    28、cified, the manufacturer may employ eitherof them.6.2.4.2 Interference Fit SystemThe dimensions and tolerances listed in Columns A and B of Table 1 in Specification D2466provide a satisfactory interference fit system between pipe and socket.6.2.4.3 Clearance Fit SystemThe dimensions and tolerances l

    29、isted in Table 2 of this specification provide a satisfactoryclearance fit system.3 Supporting data have been filed at ASTM International Headquarters and may be obtained by requesting Research Report RR:F17-1002.F512 1226.2.5 The wall thickness of integral bells and sweeps shall be considered satis

    30、factory if formed from conduit which meets theminimum requirements of this specification.6.2.6 Socket depths for integral bells shall conform to the requirements listed in Table 2.6.2.7 Integral belled ends shall be centered to provide a visible shoulder around the entire circumference.6.2.8 The ins

    31、ide diameters of spigot ends shall be chamfered as shown in Fig. 1.6.2.9 Fittings and Sweep Dimensions:6.2.9.1 The dimensions and types of conduit fittings shall be as specified in Tables 3-17.6.2.9.2 Conduit fittings shall be capable of passing a ball 14 in. (6 mm) less in diameter than the nominal

    32、 size of the conduit.6.2.9.3 The dimensions of sweeps and bends shall be as specified in Table 17. Sweeps and bends shall be made from DB-60or DB-120 conduit. Sweeps made from DB-60 conduit are intended for use with EB-20 and DB-60 conduit. Sweeps made fromDB-120 conduit are intended for use with EB

    33、-35 and DB-120 conduit.6.3 Minimum Pipe Stiffness:6.3.1 The minimum pipe stiffness ( F/Dy) values for conduit shall be in conformance with Table 18, when tested in accordancewith 8.3. Three specimens shall be tested, all shall meet the requirements.6.3.2 Referee TestThe minimum pipe stiffness (F/Dy)

    34、 values shall be in accordance with Table 18 when tested in accordancewith Test Method D2412 at 5 % deflection.6.4 Impact StrengthThe minimum drop weight impact strength values for conduit shall be as listed in Table 19, when testedin accordance with 8.1.TABLE 1 Conduit Dimensions and Tolerances, in

    35、.NominalSizeAverageOutsideDiameterTolerance on Minimum Wall ThicknessAAverage Out-ofRoundB Minimum Modulus 400 000 psi Minimum Modulus 500 000 psiEB-20 EB-35 DB-60 DB-100 DB-120 EB-20 EB-35 DB-60 DB-100 DB-1201 1.315 0.005 0.060 0.060 0.060112 1.900 0.006 0.060 0.060 0.065 0.0602 2.375 0.006 0.060 0

    36、.060 0.065 0.083 0.060 0.060 0.0773 3.500 0.008 0.060 0.067 0.082 0.100 0.121 0.127 0.061 0.076 0.092 0.112 0.118312 4.000 0.008 0.100 0.078 0.095 0.115 0.138 0.147 0.072 0.088 0.107 0.128 0.1364 4.500 0.009 0.100 0.089 0.109 0.131 0.155 0.166 0.082 0.100 0.121 0.145 0.1545 5.563 0.010 0.100 0.112 0

    37、.136 0.164 0.192 0.205 0.103 0.126 0.152 0.179 0.1916 6.625 0.011 0.100 0.135 0.164 0.196 0.229 0.244 0.125 0.152 0.182 0.213 0.227A Tolerance on wall thickness is +12, 0 % or +0.030, 0.000 in. whichever is greater.B “Out-of-round” is defined as maximum diameter minus minimum diameter.TABLE 2 Belled

    38、 End Dimensions (Clearance Fit System), in.NominalSizeAverageEntranceDiameterAverageBottomDiameterToleranceonDiametersOut-ofRoundToleranceASocket Depthmin max1 1.331 1.320 0.005 0.060 1.000 1.750112 1.921 1.906 0.006 0.060 1.375 2.1252 2.400 2.381 0.006 0.060 1.750 2.5003 3.538 3.508 0.008 0.060 2.8

    39、75 3.625312 4.041 4.008 0.008 0.100 3.125 3.8754 4.544 4.509 0.009 0.100 3.375 4.1255 5.614 5.573 0.010 0.100 4.000 4.7506 6.687 6.636 0.011 0.100 5.000 5.750A “Out-of-round” is defined as maximum diameter minus minimum diameter.FIG. 1 Chamfer DetailF512 1236.4.1 The impact test is a quality control

    40、 test, to be performed at the time of manufacture.6.5 Joint Tightness (Referee Test)The joints shall not leak when tested in accordance with 8.2.TABLE 3 Types of Conduit Fittings1. Couplings2. Domed caps3. Flat caps4. Fittings plugs5. Tapered plugs6. Bends (5, 2212, 30, 45, and 90)7. Sweeps (5, 2212

    41、, 30, 45, and 90)8. Angle Couplings (5)9. Fiber conduit adapters10. Cement-asbestos conduit adapters11. Water-tight expansion couplings12. Spigot-ended reducers13. Socket end-bellsTABLE 4 Fittings Socket Dimensions, in.NOTE 1Thermoformed fittings may employ the dimensions listed inTable 4, or the di

    42、mensions listed in Table 2 for integral bell ends.NominalSizeDimension AAverageEntranceDiameterDimension BAverageBottomDiameterToleranceonDiametersOut-of-RoundToleranceDimension CMinimumSocketDepth2 2.393 2.369 0.006 0.012 1.1253 3.515 3.492 0.008 0.015 1.594312 4.015 3.992 0.008 0.015 1.6874 4.515

    43、4.491 0.009 0.015 1.7505 5.593 5.553 0.010 0.030 1.9376 6.658 6.614 0.011 0.030 2.125TABLE 5 Coupling Dimensions, in.Nominal Size M, max SH, max N, min1 11364 0.070 116112 2932 0.070 1162 24764 0.075 3323 33132 0.076 764312 412 0.087 7644 5132 0.097 7645 614 0.118 9646 712 0.140 964F512 1246.6 Extru

    44、sion QualityThe conduit shall not flake or disintegrate when tested in accordance with Test Method D2152.6.7 BondFor pipe produced by the coextrusion process, that is , pipe containing two or more concentric layers, the bondbetween the layers shall be strong and uniform. It shall not be possible to

    45、separate any two layers with a probe or point of a knifeblade so that the layers separatecleanly so the probe or knife blade moves freely between the layers. Nor shall separation of bondoccur between layers during testing performed under the requirements of this specification.7. Conditioning7.1 Refe

    46、ree TestingWhen conditioning is required for referee tests, condition the specimens in accordance with Procedure Ain Methods D618 at 23 6 2C and 50 6 5 % relative humidity for not less than 40 h prior to test. Conduct tests under the sameconditions of temperature and humidity, unless otherwise speci

    47、fied.7.2 Quality Control:7.2.1 For quality control tests, condition specimens for a minimum of 3 h in air, or 1 h in liquid at 23 6 2C (70 to 77F). Testthe specimens at 23 6 2C without regard to relative humidity.7.2.2 For the impact test, condition specimens for at least 30 min at 0 to 1.6C (32 to

    48、35F).TABLE 6 5 Angle Couplings, in.Nominal Size M, max N, min X and Tolerance Y, min Bend R2 2916 1.50 2.375 0.006 2.62 303 32332 1.55 3.500 0.008 3.14 364 45164 1.39 4.500 0.009 3.14 365 55964 2.25 5.563 0.010 4.19 486 7164 3.12 6.625 0.011 5.24 60TABLE 7 Domed Cap Dimensions, in.Nominal Size W, ma

    49、x M, max2 2332 213163 3 4332312 318 4584 33164 513645 42764 6146 5732 72564F512 1258. Test Methods8.1 Impact ResistanceTest and evaluate five specimens, each 6 6 116 in. (150 6 2 mm) long, in accordance with Test MethodD2444, using a 20-lb Tup B, and the flat plate (Holder B). When testing is performed at temperatures above 0C, no more thanTABLE 8 Flat Cap Dimensions, in.Nominal Size F, min M, max2 1932 235643 1


    注意事项

    本文(ASTM F512-2012 Standard Specification for Smooth-Wall Poly(Vinyl Chloride) (PVC) Conduit and Fittings for Underground Installation《地下装置用平坦壁聚氯乙烯 (PVC) 导管及配件的标准规范》.pdf)为本站会员(proposalcash356)主动上传,麦多课文档分享仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开