BS EN 14420-5-2013 Hose fittings with clamp units Threaded connections《带夹件的软管配件 螺纹连接》.pdf

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1、BSI Standards PublicationBS EN 14420-5:2013Hose fittings with clamp unitsPart 5: Threaded connectionsBS EN 14420-5:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 14420-5:2013.It supersedes BS EN 14420-5:2004 which is withdrawn.The UK participation in its p

2、reparation was entrusted to TechnicalCommittee PRI/66, Rubber and plastics tubing, hoses and hoseassemblies.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users a

3、re responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 72879 2ICS 23.040.70Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theSt

4、andards Policy and Strategy Committee on 31 July 2013.Amendments issued since publicationDate Text affectedBS EN 14420-5:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14420-5 July 2013 ICS 23.040.70 Supersedes EN 14420-5:2004English Version Hose fittings with clamp units - Part 5: Threade

5、d connections Raccords pour flexibles avec demi-coquille - Partie 5: Raccordements filets Schlaucharmaturen mit Klemmfassungen - Teil 5: Gewindeanschlsse This European Standard was approved by CEN on 15 May 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipula

6、te 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 standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Sta

7、ndard 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 and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the na

8、tional standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, S

9、lovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserve

10、d worldwide for CEN national Members. Ref. No. EN 14420-5:2013: EBS EN 14420-5:2013EN 14420-5:2013 (E) 2 Contents Page Foreword . 3 1 Scope 5 2 Normative references . 5 3 Terms and definitions 6 4 Hose fitting with union nut and clamp fitting with male pipe thread . 6 5 Dimensions, designations . 8

11、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 tails and union nuts 16 7.3 Balls 17 7.4 Thread gaskets . 17 8 Marking . 18 9 Type testing and quality

12、 control 18 Bibliography 19 BS EN 14420-5:2013EN 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 assemblies”, the secretariat of which is held by BSI. This European Standard shall be given the status

13、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 2014. Attention is drawn to the possibility that some of the elements of this document may be the subjec

14、t 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 following changes have been made: In Clause 2, the normative references have been updated. A new Clause

15、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 have been revised. In Clause 8, the requirements for marking have been revised. The Bibliography has be

16、en 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 and testing Part 2: Hose side parts of hose tail Part 3: Clamp units, bolted or pinned Part 4: Flange co

17、nnections Part 5: Threaded connections Part 6: TW tank truck couplings Part 7: Cam locking couplings Part 8: Symmetrical half coupling (Guillemin system) BS EN 14420-5:2013EN 14420-5:2013 (E) 4 According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following c

18、ountries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

19、 Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 14420-5:2013EN 14420-5:2013 (E) 5 1 Scope This European Standard specifies requirements for hose fittings with clamp units according to EN 14420-1 with union nut and pipe thread according

20、 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 65 C. 2 Normative references The following documents, in whole or in part, are normatively referenced in this docum

21、ent 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 amendments) applies. EN 755 (all parts), Aluminium and aluminium alloys Extruded rod/bar, tube and profiles EN 198

22、2, 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-cutting steels Technical delivery conditions for semi-finished products, hot-rolled bars and rods EN 10088-1, Stai

23、nless 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: Non-alloy steel tubes with specified room temperature properties EN 10243-1, Steel die forgings Tolerances on dimens

24、ions 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 resistant steel castings EN 12164, Copper and copper alloys Rod for free machining purposes EN 12420, Copper and copper

25、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 Part 2: Hose side parts of hose tail EN 14420-3, Hose fittings with clamp units Part 3: Clamp units, bolted or pinn

26、ed 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: Geometrical tolerances for features without individual tolerance indications (ISO 2768-2) EN ISO 228-1, Pipe threads whe

27、re pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation (ISO 228-1) 1) 1 bar = 0,1 MPa. BS EN 14420-5:2013EN 14420-5:2013 (E) 6 EN ISO 683-17, Heat-treated steels, alloy steels and free-cutting steels Part 17: Ball and roller bearing steels (ISO 683-17) EN

28、 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 purposes of this document, the terms and definitions given in EN ISO 8330:2008 and the following apply. 3.1 DN (nominal si

29、ze) 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 which is indirectly related to the physical size, in millimetres, of the bore or outside diameter of the end connection

30、s. 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 standard. Note 2 to entry: In those standards which use the DN designation system, any relationship between DN and comp

31、onent 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 union nut and clamp fitting with male pipe thread These hose fittings shall be in accordance with Figure 1 to Figure 3, T

32、able 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 BS EN 14420-5:2013EN 14420-5:2013 (E) 7 Table 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

33、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 pipe thread Table 2 Parts list Item No Designation Remark 1 Hose tail according to 5.2 2 Clamp unit according to EN 14420-3 NO

34、TE 2 For designation of a complete hose fitting see EN 14420-1. BS EN 14420-5:2013EN 14420-5:2013 (E) 8 Table 3 End-to-end dimensions and weights Nominal size DN Thread according 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

35、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 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

36、 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 may be agreed upon. bThe weights apply for clamp units in aluminium. They may deviate from the value given depending on the type of

37、 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 as examples. NOTE Details not specified are at the discretion of the manufacturer with respect to the intended use. Tolerances fo

38、r dimensions without specified tolerances: Dimensions for machined parts: general tolerances EN 22768-mK; Dimensions for copper-zinc alloy. Die-forgings in wrought copper alloy shall be in accordance with EN 12420. Castings should be in accordance with DIN 1687-3. Dimensions for stainless steel: Die

39、-forgings shall be in accordance with EN 10243-1 and EN 10243-2. BS EN 14420-5:2013EN 14420-5:2013 (E) 9 5.2 Hose tail with male pipe thread Key ahose side part of tail 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

40、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 thread 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 BS EN 144

41、20-5:2013EN 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 designation 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

42、 (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 ISO 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

43、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 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

44、 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 6 aWashout thread, no thread undercut. BS EN 14420-5:2013EN 14420-5:2013 (E) 11 5.3 Hose tail with union nuts These hose tails shall be in

45、 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 25, with union nut with thread G 1 acco

46、rding to EN ISO 228-1 in copper-zinc alloy (CW614N): Tail EN 14420-5 SC G25 G 1 CW614N Table 5 Hose tail Dimensions in millimetres Nominal size DN Union nut with internal thread according to EN ISO 228-1 b1b2d1d2d3l112,0+02,005,002,0 0,2 1 15 G 3 6,5 18,5 15,5 16a49,5 G 3 6,5 24 22 19 49,5 20 G 3 6,

47、5 24 22 22a49,5 G 1 3 6,5 30 28 26 49,5 25 G 1 3 6,5 30 28 28a49,5 G 1 3 7 38,8 35,9 32 50,5 32 G 1 3 7 38,8 35,9 35,9a50,5 G 1 4,5 8,5 44,7 41,5 39 51,5 BS EN 14420-5:2013EN 14420-5:2013 (E) 12 Table 5 (continued) Nominal size DN Union nut with internal thread according to EN ISO 228-1 b1b2d1d2d3l1

48、12,0+02,005,002,0 0,2 1 40 G 1 4,5 8,5 44,7 41,5 42,1a51,5 G 2 4,5 9,5 56,5 53,5 45 52,5 50 G 2 4,5 9,5 56,5 53,5 53,9a59,5 G 2 4,5 9,5 72,1 68,5 58 59,5 65 G 2 4,5 9,5 72,1 68,5 69 73,5 G 3 4,5 9,5 84,8 80,5 73 73,5 80 G 3 4,5 9,5 84,8 80,5 81 77,5 100 G 4 110 114baThe diameter d3is smaller than sp

49、ecified in EN 14420-2 in order to fit the union nuts according to 5.3. bMinimum 114 mm. 5.4 Union nuts These nuts shall be in accordance with Figure 6 to Figure 10 and Table 6 to Table 8. Form A For thread G to G 3 Key ahexagon or octagon bat the discretion of the manufacturer Figure 6 Union nut form A BS EN 14420-5:2013EN 14420-5:2013 (E) 13 Form B For G 1 to G 3 Dim

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