1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 4801 Edition P 1 December 2015 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 775 8131 - www.asd-stan.orgICS: Descriptors: ENGL
2、ISH VERSION Aerospace series Flange couplings Swivel flange with 3 fastening holes, in heat resisting steel Inch series Luft- und Raumfahrt Rohrverschraubung mit Flanschen Lose Flansche mit 3 Befestigungslchern, aus hochwarmfestem Stahl Inch-Reihe Srie arospatiale Raccordement bride Brides flottante
3、s avec 3 trous de fixation en acier rsistant chaud Srie en inches This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industr
4、y. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification
5、of the standard. After examination and review by users and formal agreement of ASD-STAN, the ASD-STAN prEN will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members
6、 have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. ASD-STAN Technical Committee approves that: “This document is published by ASD-STAN for the needs of the European Aerospace Industry.
7、 The use of this standard is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN reviews each standard and technical report at least every five years at which time it
8、may be revised, reaffirmed, stabilized or cancelled. ASD-STAN invites you to send your written comments or any suggestions that may arise. All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechan
9、ical, photocopying, recording, or otherwise, without prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1stDecember 2015 Comments should be sent within six months after the date of publication to ASD-ST
10、AN Mechanical Domain Copyright 2016 ASD-STAN prEN 4801:2015 (E) 2 Contents Page Foreword .2 1 Scope .3 2 Normative references .3 3 Required characteristics 3 4 Designation .5 5 Identification marking 5 6 Technical specification 5 7 Quality Assurance 5 Foreword This standard was reviewed by the Domai
11、n Technical Coordinator of ASD-STANs Mechanical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4801:2015 (E) 3 1 Scope This standard specifies the characteri
12、stics of swivel flanges, 3 holes, for flange couplings in heat resisting steel for inch series aerospace applications. Nominal pressure: Up to 21 000 kPa; depends on associated seal, tube material, tube diameter and tube wall thickness in the assembly (see EN 4814). NOTE Assembly in accordance with
13、TR 4815. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including
14、any amendments) applies. EN 2424, Aerospace series Marking of aerospace products EN 2516, Aerospace series Passivation of corrosion resisting steels and decontamination of nickel base alloys EN 3468, Aerospace series Steel FE-PA13 Softened 500 Rm 700 MPa Forgings De 100 mm 1) EN 3487, Aerospace seri
15、es Steel FE-PA3601 (X6CrNiTi18-10) Air melted Softened Bar for machining a or D 250 mm 500 MPa Rm 700 MPa EN 4315, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Solution treated and precipitation treated, bar and section a or D 100 mm, Rm 900 MPa EN 4814, Aerospace series Flange
16、 couplings, up to 21 000 kPa Technical specification Inch series 1) EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations TR 4815, Aerospace series Flange couplings, up to 21 000 kPa Design standard Inch series 2) 3 Required characteristics 3.1 Configuration
17、Dimensions Tolerances Masses See Figure 1 and Table 2. Dimensions and tolerances are in millimetres, except otherwise specified. 3.2 Material and surface treatment Table 1 Material Code EN 3468 or EN 3487 1 EN 4315 2 1) Published as ASD-STAN Prestandard at the date of publication of this standard. (
18、http:/www.asd-stan.org/) 2) Published as ASD-STAN Technical Report at the date of publication of this standard. (http:/www.asd-stan.org/) prEN 4801:2015 (E) 4 Surface finish: Passivation EN 2516 Key 1 3D view (for information only) 2 3 equally spaced holes 2 Marking 4 Location of holes Figure 1 Rama
19、x 3,2 0,3 0,1 prEN 4801:2015 (E) 5 Table 2 Dimensional code a Nominal diameter A B C D G H J K N Mass b inch mm 0,25 +0,15 0 0,25 Theo. +0,5 0 min max +0,5 0 +0,15 0 min max 10A .625 15,875 5,20 2,40 20,30 37,3 6,30 5,50 5,70 18,65 28,80 14 16 35,4 10B .625 15,875 5,20 2,40 20,30 40,0 7,50 7,10 7,30
20、 20,00 28,80 14 16 40,1 12A .750 19,050 5,20 2,40 24,40 41,5 6,30 5,50 5,70 20,75 32,00 2130 2230 40,7 12B .750 19,050 5,20 2,40 24,40 43,1 8,10 7,10 7,30 21,55 32,00 2130 2230 49,0 16A 1.000 25,400 5,20 2,40 30,70 47,1 6,30 5,50 5,70 23,55 38,35 14 16 45,8 16B 1.000 25,400 5,20 2,40 30,70 50,8 9,00
21、 7,10 7,30 25,40 38,35 2130 2230 65,2 20B 1.250 31,750 5,45 2,65 37,30 59,5 7,25 7,10 7,30 29,75 47,10 2130 2230 76,1 24B 1.500 38,100 6,00 2,95 42,90 65,1 7,25 7,10 7,30 32,55 54,20 14 16 90,2 28B 1.750 44,450 6,20 3,15 50,50 76,1 7,25 7,10 7,30 37,05 60,60 2130 2230 119,5 32C 2.000 50,800 6,20 3,1
22、5 56,90 85,3 8,20 8,60 8,90 42,65 70,10 2130 2230 152,4 a This code is composed with the following elements: Nominal diameter given in 16th of inches within 2 digit; Bolt nominal thread diameter A: .1900 in (4,826 mm); B: .2500 in (6,35 mm); C: .3125 in (7,938 mm). b Mass quoted in kg/1 000 parts. 4
23、 Designation EXAMPLE Description block FLANGE, 3 HOLES Identity block EN4801-10A1 Number of this standard Dimensional code (see Table 2) Material code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Identification marking EN 2424, category A, as indicated on Figure 1. 6 Technical specification See EN 4814. 7 Quality Assurance Approval of the manufactures See EN 9100
