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1、BRITISH STANDARD BS EN 13160-2:2003 Leak detection systems Part 2: Pressure and vacuum systems The European Standard EN 13160-2:2003 has the status of a British Standard ICS 23.020.01; 23.040.99; 29.260.20 ? Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:56:46 GMT+00:00 2006, Uncontrolled
2、 Copy, (c) BSI BS EN 13160-2:2003 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 16 June 2003 BSI 16 June 2003 ISBN 0 580 42076 0 National foreword This British Standard is the official English language version of EN 13160-2:2003. The UK pa
3、rticipation in its preparation was entrusted by Technical Committee PVE/21, Fabricated metallic tanks and equipment for storage tanks and filling stations, to Subcommittee PVE/21/2/2, Leak detection devices, which has the responsibility to: A list of organizations represented on this subcommittee ca
4、n be obtained on request to its secretary. Cross-references The British Standards which implement international or European 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”
5、facility of the BSI Electronic Catalogue or of British 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 obliga
6、tions. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This do
7、cument comprises a front cover, an inside front cover, the EN title page, pages 2 to 24, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: shef
8、fieldun sheffieldun, na, Sun Oct 29 09:56:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13160-2 May 2003 ICS 23.020.01; 23.040.99; 29.260.20 English version Leak detection systems - Part 2: Pressure and vacuum systems Systmes de dtection de fuites
9、 - Partie 2: Systmes en pression et en dpression Leckanzeigesysteme - Teil 2: ber- und Unterdrucksysteme This European Standard was approved by CEN on 10 March 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Stan
10、dard 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 Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, G
11、erman). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, F
12、inland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de
13、 Stassart, 36 B-1050 Brussels 2003 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13160-2:2003 E Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:56:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13160-2:2003 (E) 2 Conte
14、nts page Foreword3 1Scope 3 2Normative references 3 3Terms and definitions4 4Symbols and abbreviations4 5General4 6Interstitial space.4 7Vacuum and pressure leak detectors5 7.1General5 7.2Pressure leak detectors 6 7.3Vacuum leak detectors7 8Test8 8.1Type test .8 8.2Test of the stop valve16 8.3Test o
15、f the condensate trap18 9Leak protecting lining18 10Leak protecting jacket.18 11Marking .18 Annex A (normative) Type test of the pressure relief valve .19 Annex B (normative) Design of the dry filter22 Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:56:46 GMT+00:00 2006, Uncontrolled Copy,
16、 (c) BSI EN 13160-2:2003 (E) 3 Foreword This document (EN 13160-2:2003) has been prepared by Technical Committee CEN/TC 221, “Shop fabricated metallic tanks and equipment for storage tanks and for service stations“, the secretariat of which is held by DIN. This European Standard shall be given the s
17、tatus of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2003, and conflicting national standards shall be withdrawn at the latest by November 2003. This European Standard consists of 7 parts: Leak detection systems; Part 1:General princip
18、les Part 2:Pressure and vacuum systems Part 3:Liquid systems for tanks Part 4:Liquid and/or vapour sensor systems for use in leakage containments or interstitial spaces Part 5:Dynamic tank gauge leak detection systems Part 6: Sensor in monitoring wells Part 7:General requirments and test methods for
19、 interstitial spaces, leak protecting linings and leak protecting jacktes According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germ
20、any, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom. 1 Scope This European Standard specifies the requirements for leak detection systems class I for use with double-skin systems, designed for wa
21、ter polluting fluids. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text, and the publications are listed hereafter. For dated references, subsequent
22、amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 764, Pressure equipment - Terminology and symbols
23、 - Pressure, temperature, volume. EN 131601:2003, Leak detection systems Part 1: General principles. EN 131604, Leak detection systems Part 4: Liquid and/or vapour sensor systems for use in leakage containments or interstitial spaces. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:56:46 G
24、MT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13160-2:2003 (E) 4 EN 131607, Leak detection systems Part 7: General requirements and test methods for interstitial spaces, leak protecting linings and leak protecting jackets. 3 Terms and definitions For the purposes of this European Standard, the terms
25、and definitions given in EN 13160-1:2003 apply. 4 Symbols and abbreviations gis the force of gravity, in metres per second squared his the maximum filling height of the tank, in metres hGis the maximum height of the groundwater related to the lowest point of the tank, in metres h1is the filling heig
26、ht of the interstitial space due to alarm pressure pAE , in metres lis the length of the interconnecting line, in metres pAAis the relative pressure at control point “alarm off“, in Pascal pAEis the relative pressure at control point “alarm on“, in Pascal pPAis the relative pressure at control point
27、 “pump off“, in Pascal pPEis the relative pressure at control point “pump on“, in Pascal p0is the operating pressure according to EN 764, in Pascal Vis the proportional reduction of the interstitial space caused by ingress of liquid for assurance of the alarm, in per cent V1is the volume of the inte
28、rstitial space at filling height h1, in cubic metres V0is the entire volume of the interstitial space, in cubic metres ?Gis the density of the groundwater, in kilograms per cubic metre ?P is the density of the stored product in the tank, in kilograms per cubic metre 5 General General principles acco
29、rding to EN 13160-1. Where the requirement is for low temperature performance the alternative test temperature is shown in brackets . 6 Interstitial space General requirements concerning the interstitial space according to EN 13160-7. The test methods for class I leak detection systems apply to inte
30、rstitial space:? ? for tanks with an interstitial space volume ? 8 m3 ; ? for pipes with an interstitial space volume ? 10 m3. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:56:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13160-2:2003 (E) 5 The entire interstitial space shall be capab
31、le of being filled with air or an inert gas and shall be gas tight, or it shall be capable of sustaining a vacuum. The walls of the interstitial space shall withstand the pressure of the system or the vacuum pulled on the system. For a tank the system shall be designed so that there are no connectio
32、ns to the inner tank through the interstitial space below the maximum filling level. For a pipe the system shall be designed so that there are no connections to the inner pipe through the interstitial space. The internal diameter for the two connections to the interstitial space shall be at least 4
33、mm. One connection to the interstitial space of a double skin pipework shall be at the opposite end of the pipework to the connected leak detector. 7 Vacuum and pressure leak detectors 7.1 General The vacuum or pressure used by the system, including changes of pressure caused by variations in temper
34、ature shall not exceed the design parameter of tank, leak protecting lining, leak protecting jacket or pipe. Where the pressure in the interstitial space may exceed 90 % of the maximum allowable pressure a pressure relief valve shall be fitted, which shall be conform to annex A. In a vacuum system a
35、t every low point of the interconnecting lines between the vacuum leak detector and the interstitial space a condensate trap shall be installed. Leak detectors shall be designed so that it is possible to check the parameter of the system (i.e. pressure switch settings) and to simulate alarm conditio
36、ns. The internal diameter of the leak detector-to-interstitial space interconnecting lines shall be minimum: 6 mm for air based systems; 4 mm for inert gas based systems. The total flow resistance of the interconnecting lines between the leak detector and the double skin tank or pipe may be not more
37、 than 1 kPa (10 mbar) at (85 15) l/h. This requirement is fulfilled for air-based systems, when the length (l) of the interconnecting line is l ? 50 m for an inner diameter of the interconnecting line of 6 mm. The leak detector-to-interstitial space interconnecting lines shall be colour-coded as fol
38、lows: ? measuring line:red ? suction and pressure line: white or clear ? exhaust line: green. A vacuum leak detector shall only serve one tank or pipework. A pipework may consist of several sections of a pipework where the interstitial spaces are connected. In the alarm pressure a leak detector shal
39、l deliver a volume flow of (85 15) l/h, see Figure 1. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:56:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13160-2:2003 (E) 6 Key aPressure bVolume flow rate cVacuum Figure 1 Example of volume flow of a leak detector with 30 kPa alarm set poin
40、t 7.2 Pressure leak detectors 7.2.1Humidity of the pressurising gas The gas used for pressurisation shall have a relative humidity not exceeding 10 %. If air is used a dry filter according to annex B or other drying devices may be used. 7.2.2Pressure leak detectors for tanks The alarm pressure shall
41、 be higher by 3 000 Pa than the maximum pressure exerted by the maximum filling height of the tank including any operating pressure, as specified in Equation (1) or exerted by the maximum height of the groundwater related to the lowest point of the tank, as specified in Equation (2). pAE = 3000 Pa +
42、 ?P ? h ? g + p0 (1) pAE = 3000 Pa + ?G ? hG ? g (2) Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:56:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13160-2:2003 (E) 7 7.2.3Pressure leak detectors for pipe work The alarm set point pressure shall be higher than the maximum operating pre
43、ssure of the inner pipe by at least 0,1 MPa (1 bar). 7.2.4Pressure leak detectors without integrated pressure generator The requirements of 7.2.1 shall be met for pressure generation. The minimum alarm pressure shall be determined according to 7.2.2 and 7.2.3. The interstitial space shall be free of
44、 liquid. NOTEWhere pressure leak detectors without integrated pressure generator are to be used on tanks, these should be equipped with a suction line, which is led down to the lowest point of the interstitial space to have the possibility to suck off any existing liquid before pressurising the inte
45、rstitial space. Pressure leak detectors without integrated pressure generation are only suitable for use on tanks and pipeworks for a temperature range from -5 ?C to +30 ?C. In order to avoid false alarm and/or unacceptable high pressures in the interstitial space, the alterations in pressure due to
46、 temperature shall be considered when determining the operating pressure and the alarm set points of leak detectors. 7.3 Vacuum leak detectors 7.3.1General The interstitial space negative pressure shall - up to the occurrence of a leak - be maintained below atmospheric pressure. The vacuum leak dete
47、ctors used for flat-bottomed tanks with double bottom, shall resist the expected pressure in the case of a leak. The alarm shall be ensured according to 7.3.2. If this is not possible, a liquid sensor shall be installed according to EN 13160-4 at the lowest point of the interstitial space additional
48、ly to the vacuum leak detector. 7.3.2Assurance of the alarm For assurance of the alarm the volume of the interstitial space has to be reduced by increasing liquid, see Equation (3): 100 ) - Pa 100000 - Pa 100000 - (1 AE PA ? p p = V in %(3) Due to the alarm pressure pAE the interstitial space is fil
49、led (in the case of a leak) up to the height h1 compared with the lowest point of the tank, see Equation (4): ? G AE 1 P AE 1 = or = ?g p h g p h (4) Under consideration of tank geometry the volume of the interstitial space V1 at filling height h1 has to be determined by calculation (or by measurement in litres), see EN 13160-7. The alarm is considered reliable, if the following condition is fulfilled, see Equation (5): V V T1 lead to a response of the pressure reli