1、BSEN3730:2009ICS49.080NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBY COPYRIGHTLAWBRITISHSTANDARDAerospaceseriesClamps,saddlefixedandslidingversioninaluminiumalloywithrubbercushioningDimension,massesThis British Standardwas publishedunderthe authority of theStandards PolicyandStrategy Committee on
2、30November2009.BSI 2009ISBN9780580677106Amendments/corrigendaissuedsincepublicationDate CommentsBSEN3730:2009NationalforewordThis BritishStandardisthe UK implementation of EN 3730:2009.Itsupersedes BS EN 3730:2001 which is withdrawn.The UK participation in its preparation was entrustedtoTechnicalCom
3、mittee ACE/6, Aerospace avionic electrical and fibreoptictechnology.Alist of organizationsrepresented on thiscommittee canbeobtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof acontract. Users areresponsible for itscorrect application.Compl
4、iancewithaBritishStandardcannotconferimmunityfromlegalobligations.BS EN 3730:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORMEN 3730 September 2009 ICS 49.080 Supersedes EN 3730:2001English Version Aerospace series - Clamps, saddle fixed and sliding version in aluminium alloy with rubber cushio
5、ning - Dimension, masses Srie arospatiale - Colliers du type Omga avec serrage ou coulissants en alliage daluminium avec profil en lastomre - Dimensions, massesLuft- und Raumfahrt - Schellen in Sattelform ausaluminiumlefierung mit Profilgummi fr feste und gleitende Rohrhalterung - Mae, Massen This E
6、uropean Standard was approved by CEN on 1 July 2009.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 con
7、cerning such nationalstandards may be obtained on application to the CEN 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 ow
8、n language and notified to the CEN Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuani
9、a, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All
10、rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Ref. No. EN 3730:2009: EBS EN 3730:2009EN 3730:2009 (E)2 Contents PageForeword 31Scope 42Normative references43Required characteristics.44Designation 95Marking 116Technical specification 12BS EN 3730:2009
11、EN 3730:2009 (E)3 Foreword This document (EN 3730:2009) has been prepared bythe Aerospace and Defenc e Industries Association ofEurope - Standardization (ASD-STAN). After enquiriesand votes carried out in accordancewiththe rules of this Association, this Standard has received the approval of the Nat
12、ional Associations and the Official Services of the member countries of ASD,prior to its presentation to CEN.This European Standard shall be given the status of a national standard, either by publication of an identical textorbyendorsement, at the latest by March 2010, and conflicting nationalstanda
13、rds shall be withdrawn atthe latest by March 2010.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 orall such patent rights. This document supersedes EN 3730:2001
14、.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountriesare bound to implement this European Standard: Austria,Belgium, Bulgaria, Cyprus, CzechRepublic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary , Iceland, Ireland, Italy, La
15、tvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,Sweden, Switzerland and the UnitedKingdom. BS EN 3730:2009EN 3730:2009 (E)4 1 ScopeThis standard specifies the required characteristics of saddle clamps in aluminium alloywith various cushio
16、nmaterials.These clamps, fixed version (typ e 1) or sliding version (type 2) , are used for supporting pipe assemblies.They are used up to 80 C max.Usage at a higher temperature is at the option of the user. For temperature range and environmental considerations see the various cushion material stan
17、dards.2 NormativereferencesThe following referenced documents are indispensable for the application of this document. For datedreferences, only the edition cited applies. For undated references, the latest edition of the referenceddocument (including any amendments) applies.EN 2261, Aerospace series
18、 Silicone rubber (VMQ) Hardness 70 IRHD.EN 2424, Aerospace series Marking of aerospace products. EN 2437, Aerospace series Chromate conversion coatings (yellow) for aluminium and aluminium alloys.EN 2566, Aerospace series Fluorocarbon rubber (FPM) Hardness 70 IRHD. 1)EN 2693, Aerospaceseries Alumini
19、um alloy AL-P5086- H111 Sheet and strip 0,3 mm a 6 mm.EN 3078, Aerospace series P, Q and saddle clamps with rubber cushion Technical specification. 1)EN 3825, Aerospace series Fluorosilicone rubber (FVMQ) Hardness 60 IRHD. 1)EN 3826, Aerospace series Fluorosilicone rubber (FVMQ) Hardness 70 IRHD. 1)
20、EN 4115, Aerospace series Cushion, rubber for clamps Dimensions, masses . 3 Required characteristics3.1 Materials According to Table 1.Clamp: Aluminium alloy according to EN 2693.Cushion: According to EN 4115.1) Published as ASD Prestandard at the date of publication of this standard.BS EN 3730:2009
21、EN 3730:2009 (E)5 Table 1 Cushion materialsCushion materialcode Elastomer Colour S SiliconeVMQEN 2261RustF FluorosiliconeFVMQEN 3826 a Blue V FluorocarbonFPMEN 2566 b Brown a Alternative EN 3825.b Alternative Fluorocarbon rubber (FPM) Hardness 75 IRHD.3.2 Surface treatmentAccording to Table 2.Table
22、2 Surface treatmentTreatment CodeNone 0 Yellow chromating per EN 2437 1 3.3Configuration Dimensions MassesSee Figures 1 to 5 and Tables 3 and 4.Dimensions are in millimetres.Rubber cushion dimensions, see EN 4115.BS EN 3730:2009EN 3730:2009 (E)6 a Top half, form Ab Bottom half, form Bc Rubber cushio
23、n according to EN 4115Figure 1 Configuration, complete clamp, type 1 (fixed version: code J)Rubber cushion dimensions, see EN 4115.a Top half, form Cb Bottom half, form Bc Rubber cushion according to EN 4115Figure 2 Configuration, complete clamp, type 2 (sliding version: code K)BS EN 3730:2009EN 373
24、0:2009 (E)7 a Area for markingb Length = d /2 Figure 3 Configuration, form B, clamp bottom half, common to types1 and 2a Area for markingFigure 4 Configuration, formA, clamp top half, fixed version, type 1BS EN 3730:2009EN 3730:2009 (E)8 a Area for markingFigure 5 Configuration, form C, clamp top ha
25、lf, sliding version, type 2Table 3 DimensionsDiametercodeb 1 b 2 a d b h 1 h 2 h 3 l 1 l 2 l 3 rsa c Cushiontype sizeaccording toEN 4115 0,25 max. 0,4 0,4 0,4 max. 0,4 0,4 min.12 9,5 14,4 12 9,6 6,8 8,7 41,5 32,0 162,01,5to 1,90,8 1N1612,7 18,016 11,6 8,4 10,3 51,0 40,0 201 3N20 20 13,6 10,4 12,3 55
26、,0 44,0 2425 25 16,1 12,9 14,8 60,0 49,0 2932 32 21,0 17,4 19,7 68,0 57,0 363,21,5to 2,31,5 6N40 40 25,0 21,4 23,7 76,0 65,0 4450 50 30,0 26,4 28,7 86,0 75,0 5463 63 36,5 32,9 35,2 99,0 88,0 6670 70 40,0 36,4 38,7 106,0 95,0 7480 80 45,0 41,4 43,7 116,0 106,0 84NOTE The required dimensions l 1 , l 2
27、 , h 2 , h 3 should be in accordance with this standard when the clamps arecompleted and installed.a As per EN 4115.b Outside diameter of the corresponding pipe.c Tolerances in accordance with semi-finished product.BS EN 3730:2009EN 3730:2009 (E)9 Table 4 MassesDiametercodeTop half,type 1Top half,ty
28、pe 2Bottom half Assemblytype 1Assemblytype 2Mass Mass Mass Mass Masskg/1 000pieceskg/1 000pieceskg/1 000pieceskg/1 000pieceskg/1 000pieces12 3,75 3,85 2,01 5,76 5,8616 4,59 4,79 2,34 6,93 7,1320 5,19 5,39 2,63 7,82 8,0225 6,57 6,77 3,08 9,65 9,8532 9,00 9,32 3,70 12,7013,0240 11,0011,32 4,20 15,2 5,
29、5250 13,3 3,62 5,10 8,4018,7263 16,3016,62 6,20 22,5022,8270 18,4 8,72 7,00 5,4 5,7280 20,6020,927,90 28,5028,82NOTE 1Data referring to theelastomer specific mass of 1,2 g/cm3 for silicone rubber cushion material (seeEN 4115 for other cushion materials).NOTE 2 For correct mass values the supplier ha
30、s to be contacted.4 Designation4.1Complete clamp, type 1 EXAMPLE Description blockCLAMP, FIXEDIdentity blockEN3730F20J1 Number of this standardCode letter for cushion material (see Table 1)Diameter code (see Table 3)Codeletter for fixed clamp (see Figure 1)Code for surface treatment (see Table 2)NOT
31、E If necessary, the code I 9005 shall be placed between the description block and the identity block.BS EN 3730:2009EN 3730:2009 (E)10 4.2Complete clamp, type 2 EXAMPLE Description blockCLAMP, SLIDINGIdentity blockEN3730F20K1 Number of this standardCode letter for cushion material (see Table 1)Diame
32、ter code (see Table 3)Code letter for sliding version (see Figure 2)Code for surface treatment (see Table 2)NOTE If necessary, the code I9005 shall be placed between the description block and the identity block.4.3Clamp top half, form AEXAMPLE Description blockCLAMP, TOP, FIXEDIdentity blockEN3730F2
33、0A1 Number of this standardCode letter for cushion material (see Table 1)Diameter code (see Table 3)Code letter for form (see Figure4)Code for surface treatment (see Table 2)NOTE If necessary, the code I 9005 shall be placed between the description block and the identity block.BS EN 3730:2009EN 3730
34、:2009 (E)11 4.4Clamp top half, form CEXAMPLE Description blockCLAMP, TOP, SLIDINGIdentity blockEN3730F20C1 Number of this standardCode letter for cushion material (see Table 1)Diameter code (see Table 3)Code letter for form (see Figure 5)Code for surface treatment (see Table 2)NOTE If necessary, the
35、 code I 9005 shall be placed between the description block and the identity block.4.5Clamp bottom half,form BEXAMPLE Description blockCLAMP, BOTTOMIdentity blockEN3730F20B1 Number of this standardCodeletter for cushion material (see Table 1)Diameter code (see Table 3)Code letter for form (see Figure
36、3)Code for surface treatment (see Table 2)NOTE If necessary, the code I 9005 shall be placed between the description block and the identity block.5 MarkingAccording to EN 2424, style B and Figures 3 to 5.It shall contain: number of the standard, diameter code, code letter for form. EXAMPLE EN 373020
37、BBS EN 3730:2009EN 3730:2009 (E)12 cushion material indicated by colour of cushion (see Table 1), surface treatment indicated by colour of metallic band.6 Technical specification According to EN 3078.BS EN 3730:2009This page has been intentionally left blank BSEN3730:2009BSIGroupHeadquarters389Chisw
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