DIN EN 1119-2009 Plastics piping systems - Joints for glass-reinforced thermosetting plastics (GRP) pipes and fittings - Test methods for leaktightness and resistance to damage of m.pdf

1、July 2009DEUTSCHE NORM English price group 8No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 23.040.60!$XO-“1534410www.

2、din.deDDIN EN 1119Plastics piping systems Joints for glass-reinforced thermosetting plastics (GRP) pipes andfittings Test methods for leaktightness and resistance to damage of non-thrustresistant flexible joints with elastomeric sealing elementsEnglish version of DIN EN 1119:2009-07Kunststoff-Rohrle

3、itungssysteme Verbindungen fr Rohre und Formstcke aus glasfaserverstrkten duroplastischenKunststoffen (GFK) Prfverfahren zur Dichtheit und Widerstandsfhigkeit gegen Beschdigung von nichtdruckbestndigen flexiblen Verbindungen mit elastomeren DichtungselementenEnglische Fassung DIN EN 1119:2009-07Supe

4、rsedesDIN EN 1119:1996-07www.beuth.deDocument comprises 13 pagesDIN EN 1119:2009-07 2 National foreword This standard has been prepared by Technical Committee CEN/TC 155 “Plastics piping systems and ducting systems” (Secretariat: NEN, Netherlands). The responsible German body involved in its prepara

5、tion was the Normenausschuss Kunststoffe (Plastics Standards Committee), Technical Committee NA 054-05-09 AA Rohre und Rohrleitungsteile aus Reaktionsharzformstoffen. Amendments This standard differs from DIN EN 1119:1996-07 as follows: a) The title and scope have been changed to remove “reduced art

6、iculation” and clarify intent. b) The testing sequence has been changed from mandatory to recommended. c) The support conditions and requirements have been clarified. Previous editions DIN EN 1119: 1996-07 EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 1119March 2009ICS 23.040.60 Supersedes EN 11

7、19:1996 English VersionPlastics piping systems - Joints for glass-reinforcedthermosetting plastics (GRP) pipes and fittings - Test methodsfor leaktightness and resistance to damage of non-thrustresistant flexible joints with elastomeric sealing elementsSystmes de canalisations plastiques - Assemblag

8、es pourtubes et raccords en plastique thermodurcissable renforcde verre (PRV) - Mthodes dessai dtanchit et dersistance lendommagement des assemblages flexiblesnon rsistants la pousse avec bagues dtanchit enlastomreKunststoff-Rohrleitungssysteme - Verbindungen fr Rohreund Formstcke aus glasfaserverst

9、rkten duroplastischenKunststoffen (GFK) - Prfverfahren zur Dichtheit undWiderstandsfhigkeit gegen Beschdigung von nichtdruckbestndigen flexiblen Verbindungen mit elastomerenDichtungselementenThis European Standard was approved by CEN on 8 February 2009.CEN members are bound to comply with the CEN/CE

10、NELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any

11、 CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN

12、members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden

13、, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No.

14、 EN 1119:2009: EEN 1119:2009 (E) 2 Contents Page Foreword 31 Scope 42 Principle . 43 Apparatus. 54 Test pieces . 84.1 Assembly 84.2 Number 85 Conditioning 86 Test temperature . 87 Procedure. 97.1 General 97.2 Simultaneous angular deflection and draw 97.3 Simultaneous draw and misalignment 97.4 Cycli

15、c pressure 107.5 Negative pressure 108 Test report 11DIN EN 1119:2009-07 EN 1119:2009 (E) 3 Foreword This document (EN 1119:2009) has been prepared by Technical Committee CEN/TC 155 “Plastics piping systems and ducting systems”, the secretariat of which is held by NEN. This European Standard shall b

16、e given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2009, and conflicting national standards shall be withdrawn at the latest by September 2009. Attention is drawn to the possibility that some of the elements of this doc

17、ument may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 1119:1996. The modifications are: changed title and scope to remove “reduced articulation” and clarify intent; changed testing sequen

18、ce from mandatory to suggested; clarified support conditions and requirements. The material-dependent test parameters and/or performance requirements are incorporated in the referring standard. This standard is one of a series of standards on test methods which support System Standards for plastics

19、piping systems and ducting systems. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece

20、, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 1119:2009-07 EN 1119:2009 (E) 4 1 Scope This European Standard specifies test methods for flexible n

21、on-thrust resistant socket-and-spigot joints with elastomeric sealing elements for buried and above ground glass-reinforced thermosetting plastics (GRP) pipeline applications. It covers methods of test for the leaktightness and resistance to damage of the joint only, when subject to specified combin

22、ations of longitudinal extension (draw), angular movement (angular deflection), compression (misalignment) perpendicular to the pipe axis and internal pressure. This European Standard is applicable to joints for either pressure or non-pressure applications. NOTE The joints tested in accordance with

23、this European Standard are subjected to conditions which measure their ability to function and thereby prove the design of the joint, especially for type test purposes. These test procedures are applicable to joints for pipes and fittings of all nominal sizes. The tests are suitable for the evaluati

24、on of joints intended for applications in which the liquids are conveyed at temperatures specified in the referring standards. 2 Principle A test piece comprising two pieces of pipe jointed together, by incorporation of a socket or inclusion of a double-socket coupler, is subjected to specified comb

25、inations of draw, angular deflection and misalignment. In each specified combination the test piece is subjected to a series of test pressures for specified periods of time, including an internal sub-atmospheric test pressure. In addition, joints for pressure applications are subjected to a specifie

26、d cyclic pressure test. When under pressure, the joint is monitored for leakage. Between each test condition (see Table 1 and Table 2) the joint is inspected for signs of damage. NOTE It is assumed that the following test parameters are set by the standard making reference to this European Standard:

27、 a) the nominal size of the components to be connected by the joint (see 4.1); b) the pressure class of the components (see 4.1); c) the total effective length, L, of the test piece (see 4.1); d) the number of test pieces (see 4.2); e) if applicable, the conditioning to be applied (see Clause 5); f)

28、 the test temperature (see Clause 6); g) sequence of testing, if appropriate (see 7.1); h) the joint positions (see Table 1 and Table 2); i) the draw, angular deflection (see 7.2.3) and the force F (see 7.3.5); j) the permissible change in negative pressure (see 7.5.4). DIN EN 1119:2009-07 EN 1119:2

29、009 (E) 5 3 Apparatus 3.1 End sealing devices, of sizes and type appropriate to the components under test, anchored to take the axial end thrust and permit free longitudinal movement. 3.2 Supports and restraints 3.2.1 Straps or cradles, (100 5) mm wide supporting an 180 arc of the pipe barrel or of

30、the socket (see Figure 1). The use is as follows: a) support R see Figure 1b) and Figure 2b), positioned at least 500 mm from the spigot end of the pipe at the point of balance (see Figure 1) to provide support during testing with misalignment; cradles shall be provided close to the ends of the pipe

31、 during testing with angular deflection and draw see Figure 1a) and Figure 2a); DIN EN 1119:2009-07 EN 1119:2009 (E) 6 Key 1 socket (or double socket coupler) 2 supports a) Arrangement for angular deflection and draw Dimensions in millimetres Key 1 additional force F = 20 DN 2 straps or cradles 3 su

32、pports 4 support R b) Arrangement for misalignment and draw Figure 1 Test arrangement before testing (see 3.2.1) DIN EN 1119:2009-07 EN 1119:2009 (E) 7 Key 1 rig 4 angular deflection 2 draw 5 total draw 3 end trust carried by rig 6 supports a) Joint position for angular deflection and draw Key 1 rig

33、 5 straps or cradles 2 total draw 6 supports 3 force F 7 support R4 end trust carried by rig b) Joint position for misalignment and draw Figure 2 Joint positions during testing for arrangements shown in Figure 1 (see 3.2.1) NOTE Figures 1 and 2 show the loading on the test assembly applied in a vert

34、ical plane. This is only for purposes of illustration and the loading and supports can be in any orientation. b) a cradle, to support the socket on a fixed base, as required for misalignment testing (see 7.3); c) a strap or cradle, positioned adjacent to the end of the joint being tested see Figure

35、1b) and Figure 2b), through which the force F necessary for misalignment testing (see 7.3) can be applied; DIN EN 1119:2009-07 EN 1119:2009 (E) 8 d) supports, for the pipe components of the test piece (see 4.1 and Figures 1 and 2). These can be used to apply angular deflection see 7.2 and Figure 2a)

36、. They shall allow misalignment to occur see 7.3, 7.4, 7.5 and Figure 2b). The straps or cradles shall not have a detrimental effect on the test piece, e.g. point loads. 3.2.2 Longitudinal supports, capable of supporting the end thrust induced by the internal pressure but which shall not otherwise s

37、upport the joint (see Figure 2). 3.2.3 Special supports, if necessary to prevent buckling of the pipe barrel of low stiffness pipe during negative pressure testing. 3.2.4 Special restraints, to provide support for the test assembly to prevent uncontrolled movements, particularly when testing at high

38、 pressures. Such supports shall be positioned in a manner so as to not influence the test being conducted and shall not induce point loads. 3.3 Means for applying the required force (see Clause 7) and means for measurement of the applied force to an accuracy of 5 %. 3.4 Source of hydrostatic pressur

39、e, capable of applying the required pressures including, as necessary, pressure cycling controls (see Table 1). 3.5 Vacuum pump, capable of applying the required negative pressure (see 7.5.3 and Table 1). 3.6 Pressure gauges, capable of measuring the positive and negative pressures at the top of the

40、 pipe to an accuracy of 2 %. 4 Test pieces 4.1 Assembly The test piece shall comprise an assembly of two pieces of pipe of the same nominal size and pressure class, as specified in the referring standard, jointed by the socket/spigot, or double-socket, joint to be tested. In some cases it can be des

41、ired to test a transition coupling capable of joining two different nominal pipe sizes. In such a case both sides of the transition coupling shall satisfy the test requirements. The total effective length, L, (see Figure 1a) of the test piece shall be not less than that specified in the referring st

42、andard. The joint under test shall be assembled in accordance with the manufacturers recommendations. 4.2 Number The number of test pieces shall be as specified in the referring standard. 5 Conditioning Unless otherwise specified by the referring standard, the test piece need not be conditioned. 6 T

43、est temperature Conduct the tests at the temperature specified in the referring standard. DIN EN 1119:2009-07 EN 1119:2009 (E) 9 7 Procedure 7.1 General Subject a test piece (see 4.1) to the tests specified in the referring standard and as given in Table 1 and Table 2 and in 7.2, 7.3, 7.4 and 7.5. E

44、ach reference to hydrostatic pressure specifies an internal pressure, relative to atmospheric pressure, expressed as multiples of the nominal pressure, PN, that is relevant to the joint under test. If a test is interrupted, record the fact in the test report and repeat the particular test before car

45、rying on to the next in the series of tests. Failure at the end sealing devices shall not constitute failure of the joint. If the test conditions are invalidated thereby, repeat the particular test thus affected, after replacing the end sealing device as necessary. The sequence of testing as given i

46、n 7.2, 7.3, 7.4 and 7.5 and in Table 1 and Table 2 is typical but the tests may be conducted in any sequence. WARNING It is necessary to take account of the consequences of failure of the components under pressure and/or, vacuum and to contain the test piece or apparatus accordingly. Care should be

47、taken to provide suitable protection from flying objects resulting from catastrophic failure or movement of the test assembly. Any National Health and Safety standards shall be satisfied. 7.2 Simultaneous angular deflection and draw 7.2.1 Assemble the test arrangement as shown in Figure 1a). 7.2.2 C

48、onnect the test piece (see 4.1) to the source of hydrostatic pressure (see 3.4). 7.2.3 Apply the draw plus the angular deflection, as specified in the referring standard, to obtain the total draw as shown in Figure 2a). 7.2.4 Fill the test piece with water and vent to remove any air. 7.2.5 Apply and

49、 maintain for at least 15 min the initial pressure specified in Table 1 or Table 2, as applicable. Inspect the joint for signs of leakage or damage. If neither are present, continue in accordance with 7.2.6. Otherwise depressurize the test piece and record the observations in accordance with Clause 8. 7.2.6 Apply the positive static pressure specified in Table 1 or Table 2, as applicable, for the time specified. 7.2.7 Inspect the joint for sig