CEN TS 16650-2014 Specification for hose couplings for petrol oil and lubricants - High pressure couplings《汽油 机油 润滑油的软管接头规范 高压管接头》.pdf

1、BSI Standards PublicationPD CEN/TS 16650:2014Specification for hosecouplings for petrol, oil andlubricants High pressurecouplingsPD CEN/TS 16650:2014 PUBLISHED DOCUMENTNational forewordThis Published Document is the UK implementation of CEN/TS 16650:2014. It supersedes BS 2464-2:1969 which is withdr

2、awn.The UK participation in its preparation was entrusted to Technical Committee PRI/66, Rubber and plastics tubing, hoses and hose assemblies.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necess

3、ary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 77494 2ICS 23.040.70; 49.050Compliance with a British Standard cannot confer immunity from legal obligations.This Published Do

4、cument was published under the authority of the Standards Policy and Strategy Committee on 30 June 2014.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dPD CEN/TS 16650:2014TECHNICAL SPECIFICATION SPCIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION CEN/TS 16650 June 2014 ICS 23.

5、040.70; 49.050 English Version Specification for hose couplings for petrol, oil and lubricants - High pressure couplings Spcifications pour les raccords de tuyaux pour essence, huile et lubrifiants - Raccords haute pression Spezifikation fr Schlauchkupplungen fr Benzin, l und Schmierstoffe - Hochdru

6、ckkupplungen This Technical Specification (CEN/TS) was approved by CEN on 16 December 2013 for provisional application. The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit their comments, particularly on the questi

7、on whether the CEN/TS can be converted into a European Standard. CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards

8、 in force (in parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Maced

9、onia, France, Germany, Greece, Hungary, 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 EURO

10、PISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TS 16650:2014 EPD CEN/TS 16650:2014CEN/TS 16650:2014 (E) 2 Contents Page Foreword 3 1

11、 Scope 4 2 Normative references 4 3 Information to be supplied by the purchaser .4 4 Designation of sizes of couplings 4 5 Materials .4 6 Dimensions .4 7 Coupling finish .5 8 Screw threads 5 9 Washers 5 10 Bonding 5 11 Hydrostatic test 5 12 Identification marking .5 PD CEN/TS 16650:2014CEN/TS 16650:

12、2014 (E) 3 Foreword This document (CEN/TS 16650:2014) has been prepared by Technical Committee CEN/TC 218 “Rubber and plastics hoses and hose assemblies”, the secretariat of which is held by BSI. Attention is drawn to the possibility that some of the elements of this document may be the subject of p

13、atent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to announce this Technical Specification: Austria, Belgium, Bulga

14、ria, 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Tur

15、key and the United Kingdom. PD CEN/TS 16650:2014CEN/TS 16650:2014 (E) 4 1 Scope This Technical Specification specifies requirements for couplings of 2 in (50,8 mm), 2 in (63,5 mm), 3 in (76,2 mm) and 4 in (101,6 mm) nominal sizes with ribbed tails and hexagons for use at pressures not exceeding 1 55

16、0 kN/m2(225 lbf/in2). For assembly of coupling, see Figure 1. This document is applicable to couplings which have been designed primarily for aircraft refuelling purposes, but they may also be used for other general purposes. 2 Normative references The following documents, in whole or in part, are n

17、ormatively 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 amendments) applies. EN 1982:1998, Copper and copper alloys Ingots and castings

18、 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) EN ISO 228-2, Pipe threads where pressure-tight joints are not made on the threads - Part 2: Verification by means of limit gauges (ISO 228-2) BS 1936-1, U

19、ndercuts and runouts for screw threads. Inch screw threads BS 1936-2, Undercuts and runouts for screw threads. Metric screw threads BS 2751, General purpose acrylonitrile-butadiene rubber compounds. Specification BS 3643-2:2007, ISO metric screw threads Specification for selected limits of size 3 In

20、formation to be supplied by the purchaser It is essential that the purchaser states in the enquiry and order, the form of screw thread required (see Clause 8). 4 Designation of sizes of couplings The size by which the coupling is designated shall be the nominal bore of the hose with which it is to b

21、e used. 5 Materials The material used in the manufacture of the couplings shall be as follows: a) Gunmetal castings conforming to Specification CC 491 K of EN 1982:1998 b) Brass castings conforming to Specification CC 750 S of EN 1982:1998 6 Dimensions The dimensions of couplings and union nuts shal

22、l conform to those shown on Figure 2, Figure 3 and Figure 4 and in Table 1, Table 2 and Table 3. NOTE The illustrations in this Technical Specification are diagrammatic only, and are solely for the purpose of indicating where the specified dimensions apply. PD CEN/TS 16650:2014CEN/TS 16650:2014 (E)

23、5 7 Coupling finish The couplings shall be machined all over including the bores. All burrs and sharp edges shall be removed. 8 Screw threads The coupling assembly is given in Figure 1. The couplings shall be screwed with either: a) Whitworth BSP threads. The threads on the liner of the union nut (F

24、igure 4 and Table 3) parallel threads as specified in EN ISO 228-1 and EN ISO 228-2. Thread undercuts shall conform to BS 1936-1. b) Metric threads. The threads on the liner of the union nut (Figure 5 and Table 4) shall conform to BS 3643-2:2007, Table 4, Tolerance class 6H (medium fit) and BS 3643-

25、2:2007, Table 5, Tolerance class 6g (medium fit). Thread undercuts shall conform to BS 1936-2 It is essential that the purchaser states in the enquiry and order which threads are required. 9 Washers Washers shall be made of specially selected leather or synthetic rubber in accordance with BS 2751. 1

26、0 Bonding The couplings shall be fitted to the hose so that the electrical bonding, as specified in the relevant standard, is maintained for the hose assembly. 11 Hydrostatic test All couplings, when assembled without hose, shall be subjected to a hydrostatic test of 3 100 kN/m2(450 lbf/in2). The te

27、st shall be applied after all machining operations have been completed. This test is for the purpose of locating flaws in the material after machining, and also to test the merits of the joint. When couplings are being assembled for the hydrostatic test, only the appropriate standard wrench or spann

28、er shall be used in tightening them. Use shall not be made of an extension on the handle of the wrench or spanner, or of other means to produce excessive tightness. Couplings conforming to this Technical Specification shall not show signs of leakage during this test by reason either of a defective j

29、oint or of other defects. 12 Identification marking Each set of couplings shall be legibly and permanently marked with: a) the manufacturers identification; b) the number and date of this Technical Specification; c) the following letters to indicate the type of screw thread on the couplings; 1) BSP

30、for threads conforming to EN ISO 228-1 or EN ISO 228-2; 2) METRIC for threads conforming to BS 3643-2; d) the reference of the material type; PD CEN/TS 16650:2014CEN/TS 16650:2014 (E) 6 e) the nominal size. Key 1 tail end: Male (see Figure 2) 2 union nut (see Figure 4) 3 screwed liner (see Figure 5)

31、 4 tail end: Female (see Figure 3) Figure 1 Assembly of coupling Key 1 Whitworth (BSP) thread (see EN ISO 228-1 and EN ISO 228-2) Figure 2 Tail end: male (Machine all over) PD CEN/TS 16650:2014CEN/TS 16650:2014 (E) 7 Table 1 Tail-end: male - hexagon (see Figure 2) Screw thread B dia. C dia. D dia. G

32、 G1H S W Nominal AXHexagon size of BSP thread coupling +0,25 0 0 -0,25 +0,25 0 0,25 0,75 0,75 Min. 0 -0,25 i.e. hose bore Nominal size in in mm mm mm mm mm mm mm mm 2 2 54 44,5 49,0 69,75 13 22 22 75 2 2 66,5 57 62 76 13 25 25 90 3 3 79,25 69,75 74,5 89 13 32 29 105 4 4 106,25 92 98 101,5 13 38 29 1

33、30 Figure 3 Tail-end: Female (Machine all over) Table 2 Tail-end: female (see Figure 3) B dia. C dia. D dia. F H L2dia. V Nominal size 0 -0,25 0 -0,25 +0,25 0 Min. 0,75 0 -0,25 of coupling i.e. hose bore in mm mm mm mm mm mm mm 2 54 44,5 49 90 22 62 19 2 66,5 57 62 97 25 78 21 3 79,25 69,75 74,5 111

34、 32 90 22 4 106,25 92 98 125 38 117 24 PD CEN/TS 16650:2014CEN/TS 16650:2014 (E) 8 Dimensions in millimetres Key 1 Whitworth (BSP) thread (see EN ISO 228-1 and EN ISO 228-2) 2 threads to BS 3643-2 Figure 4 Hex union nut and washer (Machine all over) Table 3 Union nut: hexagon (see Figure 4) Screw th

35、read AXISO metric thread N1dia. O1N P J1J4W Nominal size Whitworth (BSP)athread BS 3643-2bTable 4 dia. dia. hexagon of coupling Tol. Class 6H i.e. hose (Medium fit) +0,25 0 +0,35 0 0,25 0 -1,5 0 -0,25 Nominal Minor dia. in in mm mm mm mm mm mm mm mm 2 2 M64 1,5 62,376 62 9 61 45 13,5 32 75 2 2 M80 1

36、,5 78,376 78 10 77 57 19 38 90 3 3 M95 2 92,835 90 11 89 70 22,25 43 105 4 4 M120 2 117,835 117 13 116 92 22,25 45 130 aEN ISO 228-1 and EN ISO 228-2 PD CEN/TS 16650:2014CEN/TS 16650:2014 (E) 9 Dimensions in millimetres Key 1 threads to BS 3643-2 2 to crest of thread Figure 5 Screwed liner (Machine

37、all over) The screwed liner shall be secured in position on union nut by pegging or by grab screwing. Table 4 Screwed liner for union nut (see Figure 5) Nominal size of coupling i.e. hose bore K R dia. S dia. O ISO Metric Thread (Medium) Tolerance Class 6 h BS 3643-2:2007, Table 5 0 -0,75 +0,25 0 0,

38、25 +0,35 0 in mm mm mm mm 2 13 55 70 9 M64 1,5 2 15 68 87 10 M80 1,5 3 16 80 100 11 M95 2 4 18 107 127 13 M120 2 This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, informatio

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