BS ISO 727-2-2005 en_2029 Fittings made from unplasticized poly(vinyl chloride) (PVC-U) chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile butadiene styrene (ABS) with plain soc.pdf

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1、BRITISH STANDARD BS ISO 727-2:2005 Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/ styrene (ABS) with plain sockets for pipes under pressure Part 2: Inch-based series ICS 23.040.45 BS ISO 727-2:2005 This British Stan

2、dard was published under the authority of the Standards Policy and Strategy Committee on 2 August 2005 BSI 2 August 2005 ISBN 0 580 46232 3 National foreword This British Standard reproduces verbatim ISO 727-2:2005 and implements it as the UK national standard. It supersedes BS ISO 727-2:2002 which

3、is withdrawn. The UK participation in its preparation was entrusted by Technical Committee PRI/88, Plastics piping systems, to Subcommittee PRI/88/2, Plastics piping for pressure applications, which has the responsibility to: aid enquirers to understand the text; present to the responsible internati

4、onal/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secr

5、etary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of B

6、ritish Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises

7、a front cover, an inside front cover, the ISO title page, pages ii and iii, a blank page, pages 1 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsReference number ISO 727

8、-2:2005(E) INTERNATIONAL STANDARD ISO 727-2 Second edition 2005-06-01 Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS) with plain sockets for pipes under pressure Part 2: Inch-based series Raccords en pol

9、y(chlorure de vinyle) non plastifi (PVC-U), en poly(chlorure de vinyle) chlor (PVC-C) ou en acrylonitrile/butadine/styrne (ABS), embotements lisses pour tubes sous pression Partie 2: Srie base sur les inches BS ISO 727-2:2005iiiii Foreword ISO (the International Organization for Standardization) is

10、a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represent

11、ed on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are dra

12、fted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International St

13、andard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 727-2 was prepared

14、 by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee SC 2, Plastics pipes and fittings for water supplies. This second edition cancels and replaces the first edition (ISO 727-2:2002), which has been technically revised. ISO 727 consists of

15、 the following parts, under the general title Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS) with plain sockets for pipes under pressure: Part 1: Metric series Part 2: Inch-based series BS ISO 727-2:200

16、5blank 1 Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS) with plain sockets for pipes under pressure Part 2: Inch-based series IMPORTANT It is strongly recommended that the advice of the fittings manufac

17、turer be sought in the selection of an appropriate type of solvent cement used to connect sockets to pipes, depending upon whether the cylindrical or conical type of socketed fitting is being used for a particular installation. 1 Scope This part of ISO 727 specifies the dimensions, in millimetres, o

18、f plain sockets (cylindrical and conical), for the inch-based pipe series, in fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS), intended for connecting by solvent cementing to pipes of the corresponding m

19、aterial for use under pressure. The resulting joint does not require mechanical anchorage. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest editio

20、n of the referenced document (including any amendments) applies. ISO 161-2:1996, Thermoplastics pipes for the conveyance of fluids Nominal outside diameters and nominal pressures Part 2: Inch-based series 3 Terms and definitions For the purposes of this document, the following terms and definitions

21、apply. 3.1 cylindrical socket parallel socket plain socket having a generally cylindrical form with similar root and mouth dimensions NOTE In practice, such sockets are manufactured with a slight taper in order to assist in removing the moulded fitting from the moulding tool (see 4.1). BS ISO 727-2:

22、2005BS ISO 727-2:2005 2 3.2 conical socket tapered socket plain socket having a designed taper opening up from root to mouth, and having less clearance than a cylindrical socket 3.3 mean inside diameter at mid-point of socket depth d im arithmetic mean of two diameters measured at right angles to ea

23、ch other at the mid-point of the socket depth 4 Socket dimensions 4.1 Cylindrical sockets Cylindrical sockets (see Figure 1) shall conform to Table 1 for sockets made from PVC-U or PVC-C and to Table 2 for sockets made from ABS. Socket sizes specified are based on the nominal outside diameters of th

24、ermoplastics pipes, d n , according to ISO 161-2. The maximum included angle of the socketed portion of a fitting (taper of cylindrical socket) shall not exceed 040 for u DN 2 1/2 and 030 for W DN 3. a In accordance with ISO 161-2. a) Socket b) Pipe Figure 1 Dimensions of cylindrical sockets BS ISO

25、727-2:2005 3 Table 1 Dimensions of cylindrical sockets made from PVC-U or PVC-C Dimensions in millimetres Minimum socket length a Mean inside diameter at midpoint of socket depth Out-of-roundness DNLd im min. max. max. 3/8 14,5 17,1 17,3 0,25 1/2 16,5 21,3 21,5 0,25 3/4 19,5 26,7 26,9 0,25 1 22,5 33

26、,5 33,7 0,25 1 1/4 27 42,2 42,4 0,3 1 1/2 30 48,2 48,4 0,4 2 36 60,3 60,5 0,5 2 1/2 43,5 75,1 75,3 0,6 3 50,5 88,8 89,1 0,7 3 1/2 56,5 101,6 101,9 0,7 4 63 114,2 114,5 0,8 5 76 140,1 140,4 1,0 6 90 168,2 168,5 1,2 7 103 193,7 194,0 1,4 8 115,5 219,0 219,4 1,6 10 142,5 272,8 273,4 2 12 168 323,7 324,

27、3 2,3 NOTE The values given for L and d imin this table have been taken from BS 4346-1:1969. a Due to the shrinkage behaviour of cylindrical sockets made from PVC-C, the socket length may be 1 mm shorter. 4 Table 2 Dimensions of cylindrical sockets made from ABS Dimensions in millimetres DN Minimum

28、socket length Mean inside diameter Out-of- roundness Socket mouth Socket root Ld s1 d s2min. max. min. max. max. 3/8 14,5 17,1 17,3 16,9 17,3 0,25 1/2 16,5 21,3 21,5 21,1 21,4 0,25 3/4 19,5 26,7 26,9 26,4 26,8 0,25 1 22,5 33,5 33,7 33,2 33,6 0,25 1 1/4 27,0 42,2 42,5 41,9 42,3 0,3 1 1/2 30,0 48,2 48

29、,6 47,9 48,3 0,4 2 36,0 60,3 60,7 60,0 60,4 0,5 3 50,5 89,0 89,3 88,5 88,9 0,6 4 63,0 114,4 114,8 113,9 114,3 0,8 6 90,0 168,4 168,8 167,8 168,3 1,2 8 115,5 219,3 219,9 218,7 219,1 1,6 NOTE The values given for L, d s1andd s2in this table have been taken from BS 5392-1:1976. BS ISO 727-2:2005 5 4.2

30、Conical sockets Conical sockets (see Figure 2) shall conform to Table 3. Socket sizes specified are based on the nominal outside diameters of thermoplastics pipes, d n , according to ISO 161-2. aIn accordance with ISO 161-2. a) Socket b) Pipe Figure 2 Dimensions of conical sockets BS ISO 727-2:20056

31、 Table 3 Dimensions of conical sockets made from PVC-U or PVC-C Dimensions in millimetres DN Minimum socket length a Mean inside diameter Out-of- roundness Socket mouth Socket root Ld s1 d s2min. max. min. max. max. 1/8 12,7 10.49 10,69 10,08 10,28 0,41 1/4 15,9 13,92 14,12 13,51 13,71 0,41 3/8 19,1

32、 17,35 17,55 16,94 17,14 0,41 1/2 22,2 21,44 21,64 21,13 21,33 0,41 3/4 25,4 26,77 26,97 26,47 26,67 0,51 1 28,6 33,53 33,79 33,14 33,40 0,51 1 1/4 31,8 42,29 42,55 41,91 42,17 0,61 1 1/2 34,9 48,41 48,71 47,96 48,26 0,61 2 38,1 60,48 60,78 60,02 60,32 0,61 2 1/2 44,5 73,20 73,56 72,67 73,03 0,76 3

33、47,6 89,11 89,51 88,5 88,9 0,76 3 1/2 54 101,81 102,21 101,2 101,6 0,76 4 57,2 114,53 114,99 113,84 114,30 0,76 5 66,7 141,56 142,06 140,8 141,3 1,52 6 76,2 168,55 169,11 167,72 168,28 1,52 8 101,6 219,46 220,22 218,32 219,08 2,29 10 127,0 273,43 274,19 272,29 273,05 2,54 12 152,4 324,23 324,99 323,

34、03 323,85 3,05 NOTE The values in this table have been taken from ASTM D 2467:2004 and ASTM F 439:2002. aRounded to 1/10 of a millimetre. 5 Marking The identification of the different types of plain socket (cylindrical and conical) shall be reflected in the minimum required marking for the relevant

35、product and shall be included in the corresponding product standard. BS ISO 727-2:2005 7 Bibliography 1 BS 4346-1:1969, Joints and fittings for use with unplasticized PVC pressure pipes Injection moulded unplasticized PVC fittings for solvent welding for use with pressure pipes, including potable wa

36、ter supply 2 BS 5392-1:1976, Specification for acrylonitrile-butadiene-styrene (ABS) fittings for use with ABS pressure pipe Fittings for use with pipe for industrial uses 3 ASTM D 2467:2004, Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80 4 ASTM F 439:2002,

37、Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 80 BS ISO 727-2:2005BS ISO 727-2:2005 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It pre

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