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1、INTERNATIONAL STANDARD IS0 1465 Second edition 1989-09-15 Aircraft - Liquid oxygen replenishment couplings - Mating dimensions ABronefs - Raccords de remplissage en oxyghe liquide - Dimensions de raccordemen t Reference number IS0 1465 : 1989 (E) Copyright International Organization for Standardizat
2、ion Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:27:46 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 1465 : 1989 (El Foreword IS0 (the international Organization for Standardization) is a worldwide
3、 federation of national standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 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
4、committee. International organizations, govern- mental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by
5、 the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council. They are approved in accordance with IS0 procedures requiring at least 75 % approval by the member bodies voting. International Standard IS0 1455 was prep
6、ared by Technical Committee ISO/TC 20, Aircraft and space vehicles. This second edition cancels and replaces the first edition (IS0 1455 : 19761, of which it constitutes a minor revision. 0 IS0 1969 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any
7、means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56 . CH-1211 Geneve 20 . Switzerland Printed in Switzerland Copyright International Organization for Standardization Pr
8、ovided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:27:46 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO1465:1989 (E) Aircraft - Liquid oxygen replenishment couplings - Mating dimensio
9、ns 1 Scope This International Standard specifies the mating and clearance dimensions of aircraft liquid oxygen replenishment couplings. 2.2 The aircraft half of the replenishment coupling for liquid oxygen shall mate with the ground half replenishment coupling. 2 Interchangeability 3 Clearance envel
10、ope 2.1 The mating dimensions and characteristics of the ground half of the liquid oxygen replenishment coupling shall conform to those in figure 1 and table 1. The clearance envelope in the aircraft to accommodate the ground half of the replenishment coupling, for the purposes of coupling and uncou
11、pling the hose unit, shall be in accordance with figure 2 and table 2. 1 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:27:46 MDTNo reproduction or networking permitted witho
12、ut license from IHS -,-,- ISO1455:1989(E) L(for ($01 Dimension between end of poppet -valve when closed and seal i contact at diameter ds X - See note 2 iere i -r A See note 3 Seal: zele fill valve Poppet: Female fill valve NOTES 1 The valve seal shall be held in its longitudinal position by means o
13、f a spring having the following characteristics: a) Spring rate 1,3 mm + 0.29 mm deflection per daN (0,022 8 in + 0,005 in deflection per Ibf) b) In the fully coupled position, the sealing zone of the nose shall remain leak-proof through all positions of dimensions X, i.e. from 10,l mm to 25 mm (0,3
14、98 in to 0,985 in), and shall produce a load on the seal of the aircraft-half connector of 22,2 daN XL 2,2 daN (50 Ibf f 5 Ibf) when dimension X is 12 mm (0,47 in). The load shall not exceed 35,6 daN (80 Ibf) for any value of X in its permitted range c) Seal contact at 12,7 mm (0,5 in) gauge diamete
15、r is assumed for the purposes of this International Standard. d) The sealing zone lies between diameters dz and CL,. 2 In the uncoupled position, the valve poppet shall be held by means of a spring having the following characteristics: a) Spring rate 5 mm * 0,57 mm deflection per daN (0,087 6 in + 0
16、.01 in deflection per Ibf). b) The spring shall provide a force of 2,67 daN + 022 daN (6 Ibf + 0,5 Ibf) when the leading face of the poppet is located flush with the forward face of the seal. c) The range of movement of the poppet valve shall be permitted to a depth of 2 mm (0,08 in) within the seal
17、. 3 Fastening is ensured by three engagement pins each 4,09/3,85 mm (0,161 /0,151 in) diameter equally spaced and positioned as shown. Figure 1 - Ground half of liquid oxygen replenishment coupling 2 Copyright International Organization for Standardization Provided by IHS under license with ISO Lice
18、nsee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:27:46 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO1455:1999(E) Table 1 - Mating dimensions of ground half of liquid oxygen replenishment coupling Dimension D max. Dl max. min 02 max. min. d max.
19、 min 4 max min. 4 min. d31) 4 max. 4 max min. e max 1) Gauge diameter 2) Spherical radius mm in 512 2,016 35,76 1,408 35,71 1,406 28.98 1,141 28.17 1,109 8,79 i 8,69 1 0,346 0,342 I 8,59 / 0,338 8% / 0,334 IO,9 I 0,43 12,7 j 0.5 15.24 0.6 16 0,63 15,74 0,62 0.25 0,Ol Dimension f max max. g min h max
20、. min. L min. I min. in21 max. min. s max. min. t max. mm in 4,09 / 0,161 6.48 1 0,255 6.22 0,245 12.04 11,79 / 0,474 / 0,464 76,2 j 3 21,34 j 0.84 8 1 0,315 7,87 / 0,31 4,9 j 0,193 4,65 ( 0,183 4.95 / 0,195 Aircraft structure 1 Extremity of ground coupling when connected Figure 2 - Clearance envelo
21、pe for liquid oxygen replenishment coupling Table 2 - Dimensions of clearance envelope Dimension mm I in t max 279,4 11 u max. 101,6 i 4 D min. 177.8 I 7 Dl min. 95.25 3,75 NOTE - In establishing the clearance envelope, consideration has been given to the provision of sufficient room for easy insert
22、ion of the ground servicing connector by an operator wearing heavy gloves and for a connecting hose having a minimum bend radius of 152.4 mm (6 in) 3 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for
23、 Resale, 04/26/2007 19:27:46 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:27:46 MDTNo reproduction
24、 or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:27:46 MDTNo reproduction or networking permitted without license from I
25、HS -,-,- IS0 1465 : 1989 (E) UDC 629.73.648.4 : 621.643.4 Descriptors: aircraft, liquefied gases, oxygen, aircraft equipment, fluid circuits, filling devices, specifications, dimensions. Price based on 3 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:27:46 MDTNo reproduction or networking permitted without license from IHS -,-,-
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