BS-7605-2-1992 ISO-9261-1991.pdf
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1、BRITISH STANDARD BS 7605-2: 1992 ISO 9261:1991 Agricultural irrigation equipment Part 2: Specification for emitting pipe systems Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 13:21:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7605-2:1992 This British Stand
2、ard, having been prepared under the direction of the Agricultural Machinery and Implements Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 October 1992 BSI 10-1999 The following BSI references relate to the work on this standard: Commi
3、ttee reference AGE/30 Draft for comment 87/76872 DC ISBN 0 580 21199 1 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Agricultural Machinery and Implements Standards Policy Committee (AGE/-) to Technical Committee AGE/30, upon which the
4、 following bodies were represented: Agricultural Engineers Association British Agricultural and Garden Machinery Association Ltd. Health and Safety Executive Ministry of Agriculture, Fisheries and Food National Farmers Union Silsoe College Silsoe Research Institute UK Irrigation Association Water Se
5、rvices Association of England and Wales Well Drillers Association Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 13:21:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7605-2:1992 BSI 10-1999i Contents Pa
6、ge Committees responsibleInside front cover National forewordii 1Scope1 2Normative references1 3Definitions1 4Classification2 5Designation2 6Marking2 7Construction and materials3 8Test specimens and conditions3 9Test methods and requirements3 10Data supplied by manufacturer6 Table 1 Uniformity value
7、s6 List of referencesInside back cover Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 13:21:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7605-2:1992 ii BSI 10-1999 National foreword This Part of BS 7605 has been prepared under the direction of the Agricultu
8、ral Machinery and Implements Standards Policy Committee. It is identical with ISO 9261:1991 Agricultural irrigation equipment Emitting-pipe systems Specification and test methods prepared by the International Organization for Standardization (ISO). ISO 9261 was prepared by Subcommittee SC 18, Irriga
9、tion and drainage equipment and systems, of ISO Technical Committee 23, Tracks and Machinery for agricultural forestry. Cross-references The Technical Committee has reviewed the provisions of ISO 3501:1976 and ISO 8796:1989, to which normative reference is made in the text, and has decided that they
10、 are acceptable for use in conjunction with this standard. A related British Standard to ISO 3501 is BS 5114:1975 Specification for performance requirements for joints and compression fittings for use with polyethylene pipes. A British Standard does not purport to include all the necessary provision
11、s of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 6, an ins
12、ide back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 13:21:56 GMT+0
13、0:00 2006, Uncontrolled Copy, (c) BSI BS 7605-2:1992 BSI 10-19991 1 Scope This International Standard specifies mechanical and functional requirements of agricultural irrigation emitting-pipes and their fittings, test methods and the data to be supplied by the manufacturer to permit correct installa
14、tion and operation in the field. It applies to dripping and trickling pipes, hoses and tubing intended for irrigation, of which the emitting units form an integral part. It also applies to the fittings used for connecting these emitting-pipes, hoses and tubing: it does not apply to porous pipe (poro
15、us along its entire length). 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and partie
16、s to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 3501:1976, Assembled joints between fitt
17、ings and polyethylene (PE) pressure pipes Test of resistance to pull out. ISO 8796:1989, Polyethylene (PE) 25 pipes for irrigation laterals Susceptibility to environmental stress-cracking induced by insert-type fittings Test method and specification. 3 Definitions For the purposes of this Internatio
18、nal Standard, the following definitions apply. 3.1 emitting-pipe continuous pipe, hose or tubing with perforations or other hydraulic devices formed in the pipe during production and intended to emit water in the form of drops or continuous flow, at emission rates not exceeding 15 l/h per emitting u
19、nit 3.2 regulated pressure-compensating emitting-pipe emitting-pipe of relatively constant emission rate at varying water pressures at the emitting-pipe inlet within the limits specified by the manufacturer 3.3 unregulated emitting-pipe emitting-pipe whose emission rate varies at different water pre
20、ssures 3.4 non-reusable emitting-pipe light-weight emitting-pipe not intended for removal and reinstallation 3.5 reusable emitting-pipe heavy-weight emitting-pipe which is designed for removal and reinstallation with proper handling from one season to another or under other circumstances 3.6 emittin
21、g unit section of the emitting-pipe, repeated at intervals, from which water is emitted to one clearly distinguishable location 3.7 unit emitting-pipe length of emitting-pipe containing one emitting unit 3.8 clamping band ring- or band-like device used for obtaining a water-tight joint between emitt
22、ing-pipe and fitting 3.9 fitting any connecting device suitable for attachment to the emitting-pipe with or without a clamping band 3.10 inlet fitting fitting having one end suitable for connection to a standard irrigation pipe or appliance and the other end or ends suitable for connection to an emi
23、tting-pipe 3.11 in-line fitting fitting with both ends suitable for connection to an emitting-pipe 3.12 nominal diameter conventional numerical designation used to indicate the size of the emitting-pipe and approximately equal to the outside diameter, in millimetres, of the pipe 3.13 nominal test pr
24、essure, pn reference pressure of 100 kPa at the inlet of an unregulated emitting unit; or any other pressure so designated in manufacturer publications Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 13:21:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7605-2:
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