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    DIN EN 14420-5-2013 Hose fittings with clamp units - Part 5 Threaded connections German version EN 14420-5 2013《带夹件的软管配件 第5部分 螺纹连接 德文版本EN 14420-5-2013》.pdf

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    DIN EN 14420-5-2013 Hose fittings with clamp units - Part 5 Threaded connections German version EN 14420-5 2013《带夹件的软管配件 第5部分 螺纹连接 德文版本EN 14420-5-2013》.pdf

    1、September 2013 Translation by DIN-Sprachendienst.English price group 11No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).

    2、ICS 23.040.70!%(u+“2058208www.din.deDDIN EN 14420-5Hose fittings with clamp units Part 5: Threaded connections;English version EN 14420-5:2013,English translation of DIN EN 14420-5:2013-09Schlaucharmaturen mit Klemmfassungen Teil 5: Gewindeanschlsse;Englische Fassung EN 14420-5:2013,Englische berset

    3、zung von DIN EN 14420-5:2013-09Raccords pour flexibles avec demi-coquille Partie 5: Raccordements filets;Version anglaise EN 14420-5:2013,Traduction anglaise de DIN EN 14420-5:2013-09SupersedesDIN EN 14420-5:2005-05www.beuth.deIn case of doubt, the German-language original shall be considered author

    4、itative.Document comprises 21 pages 08.13 DIN EN 14420-5:2013-09 2 A comma is used as the decimal marker. National foreword This document (EN 14420-5:2013) has been prepared by Technical Committee CEN/TC 218 “Rubber and plastics hoses and hose assemblies” (Secretariat: BSI, United Kingdom). The resp

    5、onsible German body involved in its preparation was the Normenausschuss Rohrleitungen und Dampfkesselanlagen (Piping and Boiler Plant Standards Committee), Working Committee NA 082-00-02 AA Schlauchkupplungen. Amendments This standard differs from DIN EN 14420-5:2005-05 as follows: a) Clause 2 “Norm

    6、ative references” has been updated; b) Clause 3 “Terms and definitions” has been added; c) Subclause 5.5 has been renamed “Thread gaskets”; d) in Subclause 7.2, the list of materials for hose tails and union nuts has been revised; e) in Subclause 7.4, the requirements for materials have been revised

    7、; f) in Clause 8 “Marking”, the requirements for marking have been revised; g) the Bibliography has been revised; h) the standard has been editorially revised. Previous editions DIN 2817-4: 1995-05 DIN 2817-5: 1995-05 DIN EN 14420-5: 2005-05 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14420

    8、-5 July 2013 ICS 23.040.70 Supersedes EN 14420-5:2004English Version Hose fittings with clamp units - Part 5: Threaded connections Raccords pour flexibles avec demi-coquille - Partie 5: Raccordements filets Schlaucharmaturen mit Klemmfassungen - Teil 5: Gewindeanschlsse This European Standard was ap

    9、proved by CEN on 15 May 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national

    10、standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language a

    11、nd notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hung

    12、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Manageme

    13、nt Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14420-5:2013: EEN 14420-5:2013 (E) 2 Contents Page Foreword . 3 1 Scope 5 2 Normative references . 5 3 Terms and definitions 6 4 Hose

    14、 fitting with union nut and clamp fitting with male pipe thread . 6 5 Dimensions, designations . 8 5.1 General . 8 5.2 Hose tail with male pipe thread . 9 5.3 Hose tail with union nuts . 11 5.4 Union nuts 12 5.5 Thread gaskets . 15 6 Surface finish . 16 7 Materials . 16 7.1 General . 16 7.2 Hose tai

    15、ls and union nuts 16 7.3 Balls 17 7.4 Thread gaskets . 17 8 Marking . 18 9 Type testing and quality control 18 Bibliography 19 DIN EN 14420-5:2013-09 EN 14420-5:2013 (E) 3 Foreword This document (EN 14420-5:2013) has been prepared by Technical Committee CEN/TC 218 “Rubber and plastics hoses and hose

    16、 assemblies”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2014, and conflicting national standards shall be withdrawn at the latest by January

    17、2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 14420-5:2004. In comparison to EN 14420-5:2004, the

    18、following changes have been made: In Clause 2, the normative references have been updated. A new Clause 3 “Terms and definitions“ has been added. 5.5 has been renamed “Thread gaskets“. In 7.2, the list of materials for hose tails and union nuts has been revised. In 7.4, the requirements on materials

    19、 have been revised. In Clause 8, the requirements for marking have been revised. The Bibliography has been reviewed. The standard has been revised editorially. EN 14420, Hose fittings with clamp units consists of the following parts: Part 1: Requirements, types of fixing and connection, designation

    20、and testing Part 2: Hose side parts of hose tail Part 3: Clamp units, bolted or pinned Part 4: Flange connections Part 5: Threaded connections Part 6: TW tank truck couplings Part 7: Cam locking couplings Part 8: Symmetrical half coupling (Guillemin system) DIN EN 14420-5:2013-09 EN 14420-5:2013 (E)

    21、 4 According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,

    22、Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 14420-5:2013-09 EN 14420-5:2013 (E) 5 1 Scope This European Standard specifie

    23、s requirements for hose fittings with clamp units according to EN 14420-1 with union nut and pipe thread according to EN ISO 228-1 as well as for hose tails according to EN 14420-2 with male pipe thread according to EN ISO 228-1. Maximum working pressure is 25 bar1); maximum working temperature is 6

    24、5 C. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any

    25、amendments) applies. EN 755 (all parts), Aluminium and aluminium alloys Extruded rod/bar, tube and profiles EN 1982, Copper and copper alloys Ingots and castings EN 10025-2, Hot rolled products of structural steels Part 2: Technical delivery conditions for non-alloy structural steels EN 10087, Free-

    26、cutting steels Technical delivery conditions for semi-finished products, hot-rolled bars and rods EN 10088-1, Stainless steels Part 1: List of stainless steels EN 10213, Steel castings for pressure purposes EN 10217-1, Welded steel tubes for pressure purposes Technical delivery conditions Part 1: No

    27、n-alloy steel tubes with specified room temperature properties EN 10243-1, Steel die forgings Tolerances on dimensions Part 1: Drop and vertical press forgings EN 10243-2, Steel die forgings Tolerances on dimensions Part 2: Upset forging made on horizontal forging machines EN 10283, Corrosion resist

    28、ant steel castings EN 12164, Copper and copper alloys Rod for free machining purposes EN 12420, Copper and copper alloys Forgings EN 14420-1:2013, Hose fittings with clamp units Part 1: Requirements, types of fixing and connection, designation and testing EN 14420-2, Hose fittings with clamp units P

    29、art 2: Hose side parts of hose tail EN 14420-3, Hose fittings with clamp units Part 3: Clamp units, bolted or pinned EN 22768-1, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications (ISO 2768-1) EN 22768-2, General tolerances Part 2: Geomet

    30、rical tolerances for features without individual tolerance indications (ISO 2768-2) EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation (ISO 228-1) 1) 1 bar = 0,1 MPa. DIN EN 14420-5:2013-09 EN 14420-5:2013 (E) 6 EN ISO 68

    31、3-17, Heat-treated steels, alloy steels and free-cutting steels Part 17: Ball and roller bearing steels (ISO 683-17) EN ISO 4042, Fasteners Electroplated coatings (ISO 4042) EN ISO 8330:2008, Rubber and plastics hoses and hose assemblies Vocabulary (ISO 8330:2007) 3 Terms and definitions For the pur

    32、poses of this document, the terms and definitions given in EN ISO 8330:2008 and the following apply. 3.1 DN (nominal size) alphanumeric designation of size for components of a pipework system, which is used for reference purposes. It comprises the letters DN followed by a dimensionless whole number

    33、which is indirectly related to the physical size, in millimetres, of the bore or outside diameter of the end connections. Note 1 to entry: The number following the letters DN does not represent a measurable value and should not be used for calculation purposes except where specified in the relevant

    34、standard. Note 2 to entry: In those standards which use the DN designation system, any relationship between DN and component dimensions should be given, e.g. DN/OD or DN/ID. SOURCE: EN ISO 6708:1995, 2.1 3.2 thread gasket flat faced gasket for threads according to EN ISO 228-1 4 Hose fitting with un

    35、ion nut and clamp fitting with male pipe thread These hose fittings shall be in accordance with Figure 1 to Figure 3, Table 1 and Table 2. Form G Key For 1, 2, 3, 4 and 5 see Table 1.aOnly at nominal size DN 100 Figure 1 Hose fitting with union nut DIN EN 14420-5:2013-09 EN 14420-5:2013 (E) 7 Table

    36、1 Parts list Item No Designation Remark 1 Hose tail according to 5.3 2 Union nut according to 5.4 3 Thread gasket according to 5.5 4 Ball according to 5.4 5 Clamp unit according to EN 14420-3 NOTE 1 For designation of a complete hose fitting see EN 14420-1. Form GA Figure 2 Hose fitting with male pi

    37、pe thread Table 2 Parts list Item No Designation Remark 1 Hose tail according to 5.2 2 Clamp unit according to EN 14420-3 NOTE 2 For designation of a complete hose fitting see EN 14420-1. DIN EN 14420-5:2013-09 EN 14420-5:2013 (E) 8 Table 3 End-to-end dimensions and weights Nominal size DN Thread ac

    38、cording to EN ISO 228-1 End-to-end dimension L mm min. Weight b(mass) Form G/GA kg inner/outer for for inner thread outer thread inner thread outer thread 15aG /G A 66 71 0,20 0,20 G 66 0,20 20aG /G A 67 70 0,20 0,30 G 1 70 0,25 25 G 1/G 1A 67 70 0,30 0,30 G 1 69 0,30 32 G 1 /G 1 A 70 71 0,35 0,40 G

    39、 1 74 0,40 40 G 1 /G 1 A 74 75 0,45 0,50 G 2/G 2 A 79 76 0,60 0,55 50 G 2/G 2 A 84 83 0,75 0,80 G 2 85 0,90 65 G 2 /G 2 A 104 104 1,15 1,30 G 3/G 3 A 107 105 1,60 1,40 80 G 3/G 3 A 110 109 1,65 1,60 100 G 4/G 4 A 142 135 3,90 3,20 aAt nominal sizes DN 15 and DN 20, threads according to EN 10226-1 ma

    40、y be agreed upon. bThe weights apply for clamp units in aluminium. They may deviate from the value given depending on the type of hose tail. 5 Dimensions, designations 5.1 General The parts shall comply with the dimensions in the tables. Figure 3 and Figure 4 in this European Standard are presented

    41、as examples. NOTE Details not specified are at the discretion of the manufacturer with respect to the intended use. Tolerances for dimensions without specified tolerances: Dimensions for machined parts: general tolerances EN 22768-mK; Dimensions for copper-zinc alloy. Die-forgings in wrought copper

    42、alloy shall be in accordance with EN 12420. Castings should be in accordance with DIN 1687-3. Dimensions for stainless steel: Die-forgings shall be in accordance with EN 10243-1 and EN 10243-2. DIN EN 14420-5:2013-09 EN 14420-5:2013 (E) 9 5.2 Hose tail with male pipe thread Key ahose side part of ta

    43、il according to EN 14420-2 bslotted or bored Figure 3 Hose tail made of stainless steel or non-alloyed steel For examples for type of collar, other dimensions and X, see Figure 3. Figure 4 Hose tail made of copper-zinc-alloy Example for an ordering designation of a hose tail (SC) with male pipe thre

    44、ad according to EN ISO 228-1 (GA), nominal size DN 20 made of stainless steel (1.4571): Hose tail EN 14420-5 SC GA 20 1.4571 DIN EN 14420-5:2013-09 EN 14420-5:2013 (E) 10 At hose tails nominal size DN 40 and DN 65 additionally the thread designation shall be specified. An example for an ordering des

    45、ignation of a hose tail (SC) with male pipe thread according to EN ISO 228-1 (GA) nominal size DN 65 and thread G 2 made of stainless steel (1.4571) is as follows: Hose tail EN 14420-5 SC GA 65 G 2 1.4571 Table 4 Hose tail Dimensions in millimetres Nominal size DN Male pipe thread according to EN IS

    46、O 228-1 Number of slots or bores b d1d2d3d4f k1k2l1l2l305,0min. max. min. max. min. min. min. min. 0,3 min. 15 G A 22 18 13 18 25 a 6 6 61 12 1,5 4 20 G A 27 23,5 18 23,5 30 3 6 6 62 13 1,5 4 25 G 1 A 36 29,5 24 29,5 35 4 6 6 63 14 1,5 4 32 G 1 A 46 38,5 32 38,5 45 4 6 6,5 63,5 15 2 4 40 G 1 A 55 44

    47、 38 44 50 4 6 6,5 66,5 18 2 4 40 G 2 A 65 56 48 56 62 4,5 7 6,5 69 20 2 6 50 G 2 A 65 56 48 56 62 4,5 7 6,5 75,5 20 2 6 65 G 2 A 85 71,5 64 71,5 76 5 7 6,5 94,5 24 3 6 65 G 3 A 95 84 76 84 90 5 8 6,5 95 24 3 6 80 G 3 A 95 84 76 84 90 5 8 6,5 97,5 24 3 6 100 G 4 A 100 109 100 109 112 5 10 14 131 25 3

    48、 6 aWashout thread, no thread undercut. DIN EN 14420-5:2013-09 EN 14420-5:2013 (E) 11 5.3 Hose tail with union nuts These hose tails shall be in accordance with Figure 5 and Table 5. Dimensions in millimetres Key ahose side part of tail according to EN 14420-2 a) Nominal size DN 15 to DN 80b) Nominal size DN 100Figure 5 Hose tail Example for an ordering designation of a hose tail (SC), nominal size DN


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