1、A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM Edition approved for publication 1991 -05-31 prEN 2002 Part 17 Issue P 1 May 1991 Comments should be sent within six months after the date of publication decision A.E.C.M.A. 88, Bd. Malesherbes 75008 PARIS - FRANCE EDITE PAR LASSOCIATION EUROPEENN
2、E DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL 88, boulevard Malesherbes, 75008 PARIS - TEL. 45-63-82-85 UDC : Key words ENGLISH VERSION Aerospace series Test methods for metallic materials Tube used under pressure Part 17 - Integrity test Srie arospatiale Mthodes dessais applicables aux matriaux mtall
3、iques Tubes pour canalisation sous pression Partie 17 - Essai de pression dpreuve Luft- und Raumfahrt Prfverfahren fr metallische Werkstoffe Innendruckrohre Teil 17 - Innendruckprfung This Aerospace Series. pre-standard has been drawn up under the responsibility of AECMA (Association Europenne des C
4、onstructeurs de Matriel Arospatial). it is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Commission following comment by the Member countries. Subsequent to the publication of this pre-standard, the technical content shall n
5、ot be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre INPS) and formal agreement of the Official Services of the Member countries it will be submitte
6、d as a draft European Standard to CEN (European Committee for Standardization) for final vote. I Nota - Extra copies can be wpplied by B NA E - Technopolii 54. 199, rue Jean-Jacqiies Rauiseau - 92138 ISSY LES MOULINEAUX CEDEX C5 Chairman I Mr. ODORICO aecma 1991 - - - . STD*AECMA PREN 2002-17-ENGL 1
7、971 LU123LL 001LUOU O10 - prEN 2002 Part 17 Page 2 - - _. - STD-AECMA PREN 2002-17-ENGL 1791 1012311 001100L T57 prEN 2002 Part 17 Page 3 1 Scope and field of application This standard specifies the method of detection of leakage by integrity testing of tube used under pressure, intended for aerospa
8、ce construction. 2 Principle of the method Submission of tubes immersed in water or other suitable liquid to a specified internal air pressure during a specified period. 3 Apparatus Test bench capable of the specified pressure with appropriate tolerances. 4 Test conditions 4.1 Tubes in aluminium all
9、oys pressure : 1725 kPa period : 2 5 s Tubes in other metallic materials 4.2 pressure : see material standard period : 2 30 s 5 Procedure - Submission of the immersed tube to the specified internal air pressure during the specified period. - Visual examination so as to detect presence of bubbles in
10、the immersion fluid, indicating leakage. 6 Acceptance criteria Tubes shall show no leakage 7 Test report It shall include the following information - reference to this standard - identification of the tested tubes - value of the internal air pressure and period - test results Previous page is blank I
