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1、 卫生级管件、接头的选用及代号编制规范文件编号：TK-RU-116 版次/修订： A页数： 第1页 共 43页生效日期： 质量管理体系 作业指南 内控制度 R企业标准 工作规范/流程 规定编制: 审核： 批准： 日期: 日期： 日期： 会 签 栏部门会签日期部门（各部门不可保存未盖“受控文件”章的管理体系文件，且受控文件不可私自复印。）版本更改历史版本修改前描述修改后描述修编人日 期 A目 录1.0 一般要求22.0 简化符号22.1符号22.2米制与英制23.0 管件代号与种类24.0 技术要求35.0 卫生管、接头标记、尺寸规格及示例45.1一般要求45.245弯头类45.390弯头类65
2、.4180弯头类95.5直部异径接头115.6直部单快卡异径接头135.7双快卡异径接头155.8长颈三通类175.9快卡三通类205.10等径四通CR(L)345.11快卡四通CRK(1)355.12快装卡箍KK365.13快装端头DK365.14快装堵头DUK415.15管帽C415.16平型卡箍接头密封圈M(1)421.0 一般要求1.1 卫生级管件、接头及配件采用美国ASME BPE标准。1.2 卡箍采用美国3A标准，密封圈采用非标件（其尺寸是匹配美国ASME BPE接头的非标密封圈）。2.0 简化符号2.1 符号DN：米制单位管件的公称尺寸,为非测量值（见GB/T 1047）；NPS
3、：英制单位管件的公称尺寸，为非测量值。2.2 米制与英制米制单位和英制单位不能精确等同。米制单位尺寸的管件，公称尺寸用DN表示；英制单位尺寸的管件，公称尺寸用NPS表示，公英制数值对照见表1。表1 DN与NPS对照表单位制尺寸对应关系DN（mm）152025324050658090100NPS()1/23/4111/411/2221/2331/24注：在NPS大于4时，DN=25（NPS）。3.0 管件代号与种类3.1 卫生级管件代号和种类见表2。表2 卫生级管件代号和种类种类类别代号45弯头类直部弯头45E(Z)双快卡弯头45K(1)单快卡弯头45K(2)90弯头类直部弯头90E(Z)双快卡
4、弯头90K(1)单快卡弯头90K(2)180弯头类直部弯头180E(Z)直部双快卡弯头180K(1)直部异径接头（大小端）同心RC(Z)偏心RE(Z)直部单快卡异径接头（大小端）同心RKZ(1)偏心RKZ(2)双快卡异径接头（大小端）同心RK(1)偏心RK(2)长颈三通等径T(L)异径快卡三通长颈同径三快卡TK(1)长颈异径三快卡短颈异径三快卡TK(2)等径中间单快卡TK(3)异径中间单快卡单侧快卡TK(4)短颈异径三快卡TK(5)短颈异径中间单快卡TK(6)180U型三通单快卡U型三通TK(7)三快卡U型三通TK(8)四通等径CR(L)四快卡CRK(1)快装卡箍KK快卡端头DK快卡堵头DUK
5、管帽C密封圈平型卡箍接头密封圈M(1)3.2 材料代号的标记按美国标准牌号标记，各国不锈钢材料对照表见下表，材料化学成分见表3。表3 材料牌号对照表材料代号中国标准牌号GB/T 20878-2007美国标准牌号ASTM A 959-04S3040806Cr19Ni10S30400，304S31603022Cr17Ni12Mo2S31603，316L3.3 系列代号采用美国ASME BPE标准时，系列代号为。4.0 技术要求采用美国ASME BPE标准时，卫生级管件、接头技术要求符合ASME BPE-2009，公差要求见附表二。5.0 卫生管、接头标记、尺寸规格及示例5.1 一般要求管件、接头标
6、记方法按以下条例中的标记方法进行，表中带符号“*”的规格件表示是“不推荐使用”的规格件。5.2 45弯头类5.2.1 45直部弯头45E(Z)标记方法：TK-45E(Z)-材料代号-公称尺寸-系列号标记示例：参见表4表4 45o直部弯头系列公称尺寸(NPS)外径D(mm)壁厚s(mm)R(mm)A(mm)标记示例*1/46.350.8914.350.8TK-45E(Z)-材料代号-1/4-*3/89.530.8928.650.8TK-45E(Z)-材料代号-3/8-1/212.701.6528.657.2TK-45E(Z)-材料代号-1/2-3/419.051.6528.657.2TK-45E
7、(Z)-材料代号-3/4-125.401.6538.157.2TK-45E(Z)-材料代号-1-3/238.101.6557.263.5TK-45E(Z)-材料代号-3/2-250.801.6576.276.2TK-45E(Z)-材料代号-2-5/263.501.6595.385.7TK-45E(Z)-材料代号-5/2-表4（续）公称尺寸(NPS)外径D(mm)壁厚s(mm)R(mm)A(mm)标记示例376.201.65114.392.1TK-45E(Z)-材料代号-3-4101.602.11152.4114.3TK-45E(Z)-材料代号-4-6152.402.77228.6158.8TK
8、-45E(Z)-材料代号-6-5.2.2 45双快卡弯头45K(1)标记组成：TK-45K(1)-材料代号-公称尺寸-系列号标记示例：参见表5表5 45o双快卡弯头系列公称尺寸(NPS)外径D(mm)壁厚s(mm)A(mm)R(mm)D1(mm)D2(mm)标记代号*1/46.350.8925.414.325.025.0TK-45K(1)-材料代号-1/4-*3/89.530.8925.428.625.025.0TK-45K(1)-材料代号-3/8-1/212.701.6525.428.625.025.0TK-45K(1)-材料代号-1/2-3/419.051.6525.428.625.025
9、.0TK-45K(1)-材料代号-3/4-*125.401.6528.638.134.034.0TK-45K(1)-材料代号-1-(A)125.401.6528.638.150.450.4TK-45K(1)-材料代号-1-3/238.101.6536.557.250.450.4TK-45K(1)-材料代号-3/2-250.801.6544.576.264.064.0TK-45K(1)-材料代号-2-5/263.501.6552.495.377.477.4TK-45K(1)-材料代号-5/2-376.201.6560.3114.391.091.0TK-45K(1)-材料代号-3-4101.602
10、.1179.4152.4119.0119.0TK-45K(1)-材料代号-4-6152.402.77133.4228.6167.0167.0TK-45K(1)-材料代号-6-5.2.3 45单快卡弯头45K(2)标记组成：TK-45K(2)-材料代号-公称尺寸-系列号标记示例：参见表6表6 45o单快卡弯头系列公称尺寸(NPS)外径D(mm) 壁厚s(mm)A(mm)B(mm)R(mm)D1(mm)标记代号*1/46.350.8950.825.414.325.0TK-45K(2)-材料代号-1/4-*3/89.530.8950.825.428.625.0TK-45K(2)-材料代号-3/8-1
11、/212.701.6557.225.428.625.0TK-45K(2)-材料代号-1/2-3/419.051.6557.225.428.625.0TK-45K(2)-材料代号-3/4-*125.401.6557.228.638.134.0TK-45K(2)-材料代号-1-(A)125.401.6557.228.638.150.4TK-45K(2)-材料代号-1-3/238.101.6563.536.557.250.4TK-45K(2)-材料代号-3/2-250.801.6576.244.576.264.0TK-45K(2)-材料代号-2-5/263.501.6585.752.495.377.
12、4TK-45K(2)-材料代号-5/2-376.201.6592.160.3114.391.0TK-45K(2)-材料代号-3-4101.602.11114.379.4152.4119.0TK-45K(2)-材料代号-4-6152.402.77158.8133.4228.6167.0TK-45K(2)-材料代号-6-5.3 90弯头类5.3.1 90直部弯头90E(Z)标记组成：TK-90E(Z)-材料代号-公称尺寸-系列号标记方法：参见表7表7 90o直部弯头系列公称尺寸(NPS)外径D(mm)壁厚s(mm)R(mm)A(mm)标记示例*1/46.350.8914.366.7TK-90E(Z
13、)-材料代号-1/4-*3/89.530.8928.666.7TK-90E(Z)-材料代号-3/8-1/212.701.6528.676.2TK-90E(Z)-材料代号-1/2-3/419.051.6528.676.2TK-90E(Z)-材料代号-3/4-125.401.6538.176.2TK-90E(Z)-材料代号-1-3/238.101.6557.295.3TK-90E(Z)-材料代号-3/2-250.801.6576.2120.7TK-90E(Z)-材料代号-2-5/263.501.6595.3139.7TK-90E(Z)-材料代号-5/2-376.201.65114.3158.8TK
14、-90E(Z)-材料代号-3-4101.602.11152.4203.2TK-90E(Z)-材料代号-4-6152.402.77228.6292.1TK-90E(Z)-材料代号-6-5.3.2 90双快卡弯头90K(1)标记组成：TK-90K(1)-材料代号-公称尺寸-系列号标记示例：参见表8表8 90o双快卡弯头系列公称尺寸(NPS)外径D(mm)壁厚s(mm)A(mm)R(mm)D1(mm)D2(mm)标记代号*1/46.350.8941.314.325.025.0TK-90K(1)-材料代号-1/4-*3/89.530.8941.328.625.025.0TK-90K(1)-材料代号-3
15、/8-1/212.701.6541.328.625.025.0TK-90K(1)-材料代号-1/2-3/419.051.6541.328.625.025.0TK-90K(1)-材料代号-3/4-*125.401.6550.838.134.034.0TK-90K(1)-材料代号-1-（A）125.401.6550.838.150.450.4TK-90K(1)-材料代号-1-3/238.101.6569.957.250.450.4TK-90K(1)-材料代号-3/2-250.801.6588.976.264.064.0TK-90K(1)-材料代号-2-5/263.501.65108.095.377
16、.477.4TK-90K(1)-材料代号-5/2-376.201.65127.0114.391.091.0TK-90K(1)-材料代号-3-4101.602.11168.3152.4119.0119.0TK-90K(1)-材料代号-4-6152.402.77266.7228.6167.0167.0TK-90K(1)-材料代号-6-5.3.3 90单快卡弯头90K(2)标记组成：TK-90K(2)-材料代号-公称尺寸-系列号标记示例：参见表9表9 90单快卡弯头90K(2)公称尺寸(NPS)外径D(mm)壁厚s(mm)A(mm)B(mm)R(mm)D1(mm)标记代号*1/46.350.8966
17、.741.314.325.0TK-90K(2)-材料代号-1/4-3/89.530.8966.741.328.625.0TK-90K(2)-材料代号-3/8-1/212.701.6576.241.328.625.0TK-90K(2)-材料代号-1/2-3/419.051.6576.241.328.625.0TK-90K(2)-材料代号-3/4-*125.401.6576.250.838.134.0TK-90K(2)-材料代号-1-(A)125.401.6576.250.838.150.4TK-90K(2)-材料代号-1-3/238.101.6595.369.957.250.4TK-90K(2)
18、-材料代号-3/2-250.801.65120.788.976.264.0TK-90K(2)-材料代号-2-5/263.501.65139.7108.095.377.4TK-90K(2)-材料代号-5/2-376.201.65158.8127.0114.391.0TK-90K(2)-材料代号-3-4101.602.11203.2168.3152.4119.0TK-90K(2)-材料代号-4-6152.402.77292.1266.7228.6167.0TK-90K(2)-材料代号-6-5.4 180弯头类5.4.1 180直部弯头180E(Z)标记组成：TK-180E(Z)-材料代号-公称尺寸
19、-系列号标记示例：参见表10表10 180直部弯头180E(Z)公称尺寸(NPS)外径D(mm)壁厚s(mm)R(mm)A(mm)B(mm)标记代号*1/46.350.8914.3114.366.7TK-180E(Z)-材料代号-1/4-*3/89.530.8928.6114.366.7TK-180E(Z)-材料代号-3/8-1/212.701.6528.6114.376.2TK-180E(Z)-材料代号-1/2-3/419.051.6528.6114.376.2TK-180E(Z)-材料代号-3/4-125.401.6538.176.276.2TK-180E(Z)-材料代号-1-3/238.
20、101.6557.2114.3114.3TK-180E(Z)-材料代号-3/2-250.801.6576.2152.4127.0TK-180E(Z)-材料代号-2-5/263.501.6595.3190.5146.1TK-180E(Z)-材料代号-5/2-376.201.65114.3228.6165.1TK-180E(Z)-材料代号-3-4101.602.11152.4304.8215.9TK-180E(Z)-材料代号-4-6152.402.77228.6457.2292.1TK-180E(Z)-材料代号-6-5.4.2 180直部快卡弯头180K(1)标记组成：TK-180K(1)-材料代
21、号-公称尺寸-系列号标记示例：参见表11表11 180直部快卡弯头系列公称尺寸(NPS)外径D(mm)壁厚s(mm)R(mm)A(mm)B(mm)D1(mm)D2(mm)标记代号*1/46.350.8914.3114.379.425.025.0TK-180K(1)-材料代号-1/4-*3/89.530.8928.6114.379.425.025.0TK-180K(1)-材料代号-3/8-1/212.701.6528.6114.388.925.025.0TK-180K(1)-材料代号-1/2-3/419.051.6528.6114.388.925.025.0TK-180K(1)-材料代号-3/4
22、-*125.401.6538.176.288.934.034.0TK-180K(1)-材料代号-1-(A)125.401.6538.176.288.950.450.4TK-180K(1)-材料代号-1-3/238.101.6557.2114.3127.050.450.4TK-180K(1)-材料代号-3/2-250.801.6576.2152.4139.764.064.0TK-180K(1)-材料代号-2-5/263.501.6595.3190.5158.877.477.4TK-180K(1)-材料代号-5/2-376.201.65114.3228.6177.891.091.0TK-180K(
23、1)-材料代号-3-4101.602.11152.4304.8231.8119.0119.0TK-180K(1)-材料代号-4-6152.402.77228.6457.2330.2167.0167.0TK-180K(1)-材料代号-6-5.5 直部异径接头5.5.1 同心直部异径接头RC(Z)标记组成：TK-RC(Z)-材料代号-公称尺寸-系列号标记示例：参见表12表12 同心直部异径接头系列公称尺寸(NPS)A(mm)标记代号XY*3/8*1/482.6TK-RC(Z)-材料代号-3/8/1/4-*1/2*1/482.6TK-RC(Z)-材料代号-1/2/1/4-*1/2*3/882.6TK
24、-RC(Z)-材料代号-1/2/3/8-*3/4*3/882.6TK-RC(Z)-材料代号-3/4/3/8-3/41/2101.6TK-RC(Z)-材料代号-3/4/1/2-11/2114.3TK-RC(Z)-材料代号-1/1/2-13/4101.6TK-RC(Z)-材料代号-1/3/4-3/23/4127.0TK-RC(Z)-材料代号-3/2/3/4-3/21127.0TK-RC(Z)-材料代号-3/2/1-21184.2TK-RC(Z)-材料代号-2/ 1-23/2133.4TK-RC(Z)-材料代号-2/3/2-5/23/2184.2TK-RC(Z)-材料代号-5/2/3/2-5/221
25、39.7TK-RC(Z)-材料代号-5/2/2-33/2235.0TK-RC(Z)-材料代号-3/3/2-32190.5TK-RC(Z)-材料代号-3/2-35/2139.7TK-RC(Z)-材料代号-3/5/2-42298.5TK-RC(Z)-材料代号-4/2-45/2247.7TK-RC(Z)-材料代号-4/5/2-43196.9TK-RC(Z)-材料代号-4/3-63254.0TK-RC(Z)-材料代号-6/3-64254.0TK-RC(Z)-材料代号-6/4-5.5.2 偏心直部异径接头RE(Z)标记组成：TK-RE(Z)-材料代号-公称尺寸-系列号标记示例：参见表13表13 偏心直部
26、异径接头系列公称尺寸(NPS)A(mm)标记代号XY*3/8*1/4101.6TK-RE(Z)-材料代号-3/8/1/4-*1/2*1/4101.6TK-RE(Z)-材料代号-1/2/1/4-*1/2*3/8101.6TK-RE(Z)-材料代号-1/2/3/8-*3/4*3/8101.6TK-RE(Z)-材料代号-3/4/3/8-3/41/2101.6TK-RE(Z)-材料代号-3/4/1/2-11/2114.3TK-RE(Z)-材料代号-1/1/2-13/4101.6TK-RE(Z)-材料代号-1/3/4-3/23/4127.0TK-RE(Z)-材料代号-3/2/3/4-3/21127.0T
27、K-RE(Z)-材料代号-3/2/1-21184.2TK-RE(Z)-材料代号-2/ 1-23/2133.4TK-RE(Z)-材料代号-2/3/2-5/23/2184.2TK-RE(Z)-材料代号-5/2/3/2-5/22139.7TK-RE(Z)-材料代号-5/2/2-33/2235.0TK-RE(Z)-材料代号-3/3/2-32190.5TK-RE(Z)-材料代号-3/2-35/2139.7TK-RE(Z)-材料代号-3/5/2-42298.5TK-RE(Z)-材料代号-4/2-45/2247.7TK-RE(Z)-材料代号-4/5/2-43196.9TK-RE(Z)-材料代号-4/3-63
28、247.7TK-RE(Z)-材料代号-6/3-64254.0TK-RE(Z)-材料代号-6/4-5.6 直部单快卡异径接头5.6.1 同心直部单快卡异径接头RKZ(1)标记组成：TK-RKZ(1)-材料代号-公称尺寸-系列号标记示例：参见表14表14 同心直部单快卡异径接头系列公称尺寸(NPS)大端外径D2(mm)壁厚s2(mm)小端外径D3 (mm)壁厚s3 (mm)A(mm)D1(mm)标记代号XY3/41/219.051.6512.701.6576.225.0TK-RKZ(1)-材料代号-3/4/1/2-11/225.401.6512.701.6588.934.0TK-RKZ(1)-材料
29、代号-1/1/2-(A)11/225.401.6512.701.6588.950.4TK-RKZ(1)-材料代号-1/1/2-13/425.401.6519.051.6576.234.0TK-RKZ(1)-材料代号-1/3/4-(A)13/425.401.6519.051.6576.250.4TK-RKZ(1)-材料代号-1/3/4-3/23/438.101.6519.051.65101.650.4TK-RKZ(1)-材料代号-3/2/3/4-3/2138.101.6525.401.65101.650.4TK-RKZ(1)-材料代号-3/2/1-2150.801.6525.401.65152.
30、464.0TK-RKZ(1)-材料代号-2/1-23/250.801.6538.101.65101.664.0TK-RKZ(1)-材料代号-2/3/2-5/23/263.501.6538.101.65152.477.4TK-RKZ(1)-材料代号-5/2/3/2-5/2263.501.6550.801.65107.977.4TK-RKZ(1)-材料代号-5/2/2-33/276.201.6538.101.65203.291.0TK-RKZ(1)-材料代号-3/3/2-3276.201.6550.801.65158.891.0TK-RKZ(1)-材料代号-3/2-35/276.201.6563.
31、501.65108.091.0TK-RKZ(1)-材料代号-3/5/2-42101.602.1150.801.65263.5119.0TK-RKZ(1)-材料代号-4/2-45/2101.602.1163.501.65212.7119.0TK-RKZ(1)-材料代号-4/5/2-43101.602.1176.201.65161.9119.0TK-RKZ(1)-材料代号-4/3-63152.402.7776.201.65228.6167.0TK-RKZ(1)-材料代号-6/3-64152.402.77101.602.11228.6167.0TK-RKZ(1)-材料代号-6/4-5.6.2 偏心直
32、部单快卡异径接头RKZ(2)标记组成：TK-RKZ(2)-材料代号-公称尺寸-系列号标记示例：参见表15表15 偏心直部单快卡异径接头系列公称尺寸(NPS)大端外径D2(mm)壁厚s2(mm)小端外径D3 (mm)壁厚s3 (mm)A(mm)D1(mm)标记代号XY3/41/219.051.6512.701.6576.225.0TK-RKZ(1)-材料代号-3/4/1/2-11/225.401.6512.701.6588.934.0TK-RKZ(1)-材料代号-1/1/2-(A)11/225.401.6512.701.6588.950.4TK-RKZ(1)-材料代号-1/1/2-13/425.
33、401.6519.051.6576.234.0TK-RKZ(1)-材料代号-1/3/4-(A)13/425.401.6519.051.6576.250.4TK-RKZ(1)-材料代号-1/3/4-3/23/438.101.6519.051.65101.650.4TK-RKZ(1)-材料代号-3/2/3/4-3/2138.101.6525.401.65101.650.4TK-RKZ(1)-材料代号-3/2/1-2150.801.6525.401.65152.464.0TK-RKZ(1)-材料代号-2/1-23/250.801.6538.101.65101.664.0TK-RKZ(1)-材料代号-
34、2/3/2-5/23/263.501.6538.101.65152.477.4TK-RKZ(1)-材料代号-5/2/3/2-5/2263.501.6550.801.65108.077.4TK-RKZ(1)-材料代号-5/2/2-33/276.201.6538.101.65203.291.0TK-RKZ(1)-材料代号-3/3/2-3276.201.6550.801.65158.891.0TK-RKZ(1)-材料代号-3/2-35/276.201.6563.501.65108.091.0TK-RKZ(1)-材料代号-3/5/2-42101.602.1150.801.65263.5119.0TK-
35、RKZ(1)-材料代号-4/2-45/2101.602.1163.501.65212.7119.0TK-RKZ(1)-材料代号-4/5/2-43101.602.1176.201.65161.9119.0TK-RKZ(1)-材料代号-4/3-63152.402.7776.201.65222.3167.0TK-RKZ(1)-材料代号-6/3-64152.402.77101.602.11228.6167.0TK-RKZ(1)-材料代号-6/4-5.7 双快卡异径接头5.7.1 同心双快卡异径接头RK(1)标记组成：TK-RK(1)-材料代号-公称尺寸-系列号标记示例：参见表16表16 同心双快卡异径接头系列公称尺寸(NPS)外径D1(mm)壁厚s1(mm)外径D2(mm)壁厚s2(mm)A(mm)D3(mm)D4(mm)标记代号XY3/41/219.051.6512.701.6550.825.025.0TK-RK(1)-材料代号-3/4/1/2-11/225.401.6512.701.6563.534.025.0TK-RK(1)-材料代号-1/1/2-(A)11/2
