BS ISO 8913-2007 Aerospace Lightweight polytetrafluoroethylene (PTFE) hose assemblies classification 400F 3000 psi (204C 20684 kPa) and 204C 21000 kPa (400F 3046 psi) Proc.pdf
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1、BRITISH STANDARD BS ISO 8913:2006 Aerospace Lightweight polytetrafluoroethylene (PTFE) hose assemblies, classification 400 F/3 000 psi (204 C/20 684 kPa) and 204 C/21 000 kPa (400 F/3 046 psi) Procurement specification ICS 49.080; 83.140.40 BS ISO 8913:2006 This British Standard was published under
2、the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007 ISBN 978 0 580 49958 6 National foreword This British Standard was published by BSI. It is the UK implementation of ISO 8913:2006. The UK participation in its preparation was entrusted to Technical Committee ACE
3、/69, Aerospace hydraulic systems, fluids and components. A list of organizations represented on ACE/69 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance w
4、ith a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. Date Comments Reference number ISO 8913:2006(E)INTERNATIONAL STANDARD ISO 8913 Third edition 2006-11-01 Aerospace Lightweight polytetrafluoroethylene (PTFE) hose assemblies, classificat
5、ion 400 F/3 000 psi (204 C/20 684 kPa) and 204 C/21 000 kPa (400 F/3 046 psi) Procurement specification Aronautique et espace Tuyauteries flexibles en polyttrafluorothylne (PTFE), srie lgre, classification 400 F/3 000 psi (204 C/20 684 kPa) et 204 C/21 000 kPa (400 F/3 046 psi) Spcification dapprovi
6、sionnement BS ISO 8913:2006ii iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Classification. 2 4 Requirements 2 4.1 Qualification 2 4.2 Materials 2 4.3 Construction 3 4.4 Inner tube. 4 4.5 Hose . 5 4.6 Screw threads . 7 4.7 Part numbering of interchangeable par
7、ts 7 4.8 Identification of products. 7 4.9 Workmanship 8 4.10 Hose assembly Test and performance requirements 8 5 Quality assurance. 13 5.1 Responsibility for inspection 13 5.2 Classification of inspections . 13 5.3 Qualification inspections . 13 5.4 Quality conformance inspections . 15 5.5 Test con
8、ditions . 17 5.6 Inspection methods 18 6 Preparation for delivery . 18 6.1 Storage and packaging 18 6.2 Marking 18 7 Ordering data 18 Annex A (informative) Equivalent hose assembly product standards governed by ISO 8913 20 Annex B (normative) Equivalent national qualification procedure and fire resi
9、stance specification. 21 Annex C (informative) Equivalent materials 22 Bibliography . 25 BS ISO 8913:2006iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is n
10、ormally 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 represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part i
11、n the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prep
12、are International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that s
13、ome 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 8913 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 10, Aerospace fluid systems and components.
14、This third edition cancels and replaces the second edition (ISO 8913:1994). Criteria for imperial dimension (inch-based) hose assemblies as used for commercial aviation are being introduced. BS ISO 8913:2006 v Introduction This International Standard establishes the basic performance and quality req
15、uirements for lightweight polytetrafluoroethylene (PTFE) hose assemblies for use in aerospace fluid systems. The procurement requirements are intended to ensure that hose assemblies which are procured in accordance with this specification are of the same quality as the hose assemblies used during th
16、e original qualification testing. Compliance with these test and procurement requirements is necessary for hose assemblies that are used in fluid systems where a malfunction would affect the safety of flight. BS ISO 8913:2006 blank 1 Aerospace Lightweight polytetrafluoroethylene (PTFE) hose assembli
17、es, classification 400 F/3 000 psi (204 C/20 684 kPa) and 204 C/21 000 kPa (400 F/3 046 psi) Procurement specification 1 Scope This International Standard specifies requirements for lightweight polytetrafluoroethylene (PTFE) hose assemblies for use in aircraft hydraulic systems at temperatures betwe
18、en 55 C and 204 C ( 65 F and 400 F), and at a nominal pressure up to 3 000 psi (20 684 kPa) or 21 000 kPa (3 046 psi). The hose assemblies are also suitable for use within the same temperature and pressure limitations in aircraft pneumatic systems where some gaseous diffusion through the wall on the
19、 PTFE liner may be tolerated. The use of these hose assemblies in high-pressure pneumatic storage systems is not recommended. In addition, installations in which the limits specified in this International Standard are exceeded, or in which the application is not covered specifically by this Internat
20、ional Standard, for example for oxygen, are subject to the approval of the purchaser. Annex A is a listing of hose assembly procurement standards conforming to this International Standard. 2 Normative references The following referenced documents are indispensable for the application of this documen
21、t. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 2685:1998, Aircraft Environmental test procedure for airborne equipment Resistance to fire in designated fire zones ISO 2859-1:1999,
22、Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection ISO 3161:1999, Aerospace UNJ threads General requirements and limit dimensions ISO 5855-3:1999, Aerospace MJ threads Part 3: Limit dimensions for fittings for
23、 fluid systems ISO 6772:1988, Aerospace Fluid systems Impulse testing of hydraulic hose, tubing and fitting assemblies ISO 7258:1984, Polytetrafluoroethylene (PTFE) tubing for aerospace applications Methods for the determination of the density and relative density ISO 8829:1990, Aerospace Polytetraf
24、luoroethylene (PTFE) hose assemblies Test methods ISO 8829-2, Aerospace Test methods for polytetrafluoroethylene (PTFE) inner-tube hose assemblies Part 2: Non-metallic braid EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000) and Quality systems Model for quali
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