1、AEROSPACE STANDARD HOSE ASSEMBLY, LINED SILICONE, 125 PSI, FIXED CAVITY COUPLING, POTABLE WATER,STRAIGHT FEMALE TO 90 MALE AS4798Copyright 2010 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any mea
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3、SSUED 1993-06REAFFIRMED 2007-01 REVISED 2010-11THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3D REV.CFEDERAL SUPPLY CLASS 4720 AS4798SHEET 1 OF 2REV. CPROCUREMENT SPECIFICATION: AS4468 /2/SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandeng
4、ineering sciences. Theuse ofthis report is entirely voluntary, andits applicability and suitability forany particular use,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay bereaffirme
5、d, revised, orcancelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4798CRATIONALE CORRECTED “MATES WITH” REFERENCE. FIGURE 1 - HOSE ASSEMBLY TABLE 1 - BASIC HOSE AND END FIT
6、TING DIMENSIONS BASIC NO. ANDSIZE CODE HOSE SIZE(REF) AMAXB(REF) CMAXDMINDMAXID(REF) OD MINOD MAXAS4798-08 .500 1.60 .425 1.39 1.09 1.20 .500 .65 .73 AS4798-10 .625 1.60 .550 1.57 1.24 1.34 .625 .81 .85 AS4798-12 .750 1.84 .654 2.05 1.54 1.68 .750 .94 .98 AS4798-16 1.000 1.92 .909 2.17 1.71 1.85 1.0
7、00 1.19 1.23 TABLE 2 - LENGTH TOLERANCE HOSE ASSEMBLY LENGTH PREFERRED INCREMENTS TOLERANCE UNDER 18 IN (NOT LESS THAN) .125 +.125/-.125 18 TO 36 IN EXCLUSIVE (NOT LESS THAN) .250 +.250/-.250 36 TO 100 IN EXCLUSIVE (NOT LESS THAN) .500 +.375/-.375 100 IN AND OVER (NOT LESS THAN) 1.000 +.5%/-.500 TAB
8、LE 3 - HOSE ASSEMBLY WEIGHT INFORMATION HOSE SIZECODE HOSE LB/INNOM (REF) END FITTING LB/EASTRAIGHT NOM (REF) END FITTING LB/EA90 NOM (REF) HOSE LENGTH CORRECTION FACTOR, INCH /9/ STRAIGHT HOSE LENGTH CORRECTION FACTOR, INCH /9/ 45 08 .0081 .055 .058 .96 .77 10 .0111 .067 .080 .96 .95 12 .0137 .110
9、.134 1.04 1.26 16 .0182 .146 .191 1.12 1.39 AEROSPACE STANDARD AS4798SHEET 2 OF 2REV. CHOSE ASSEMBLY, LINED SILICONE, 125 PSI, FIXED CAVITY COUPLING, POTABLE WATER, STRAIGHT FEMALE TO 90 MALE NOTES: 1. MATERIAL AND FINISH: PER AS4468, TABLE 1. ALL FITTING COMPONENTS 300 SERIES CORROSION RESISTANT ST
10、EEL, PASSIVATED./2/ PROCUREMENT SPECIFICATION: AS4468 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED AND ASSEMBLED BY AN ACCREDITED MANUFACTURER OR ASSEMBLED BY AN ACCREDITED DISTRIBUTOR LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PR
11、ODUCTS LIST (QPL) PRI QPL AS4468 FOR THIS STANDARD. SEE FOR CURRENT QPL ON LINE. 3. INTENDED USE: THESE HOSE ASSEMBLIES ARE INTENDED FOR USE IN POTABLE WATER SYSTEM INSTALLATIONS WHERE A HIGH DEGREE OF FLEXIBILITY IS REQUIRED. 4. IDENTIFICATION: PER AS4468. 5. OPERATING CHARACTERISTICS: a. OPERATIN
12、G TEMPERATURE: -65 TO +160 F (-54 TO +71 C). b. OPERATING PRESSURE: 125 PSI MAX 6. FUNCTIONAL TEST AND CLEANING: PER AS4468. 7. CONSTRUCTION: PER AS4468. /8/ LENGTH “L” IS A FOUR-DIGIT NUMBER OF WHICH THE FIRST THREE DIGITS DESCRIBE THE HOSE ASSEMBLY LENGTH IN WHOLE INCHES, AND THE FOURTH DIGIT THE
13、FRACTION OF AN INCH IN EIGHTHS. LENGTH “L” IS MEASURED FROM “GAGE POINT” TO “GAGE POINT”. SEE TABLE 2 FOR LENGTH TOLERANCES. /9/ HOSE WEIGHT PLUS EACH END FITTING WEIGHT EQUALS HOSE ASSEMBLY WEIGHT. FOR DETERMINING HOSE WEIGHT, DEDUCT APPROPRIATE LENGTH CORRECTION FACTOR FROM EACH END OF THE ASSEMBL
14、Y LENGTH. 10. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 11. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS 2 DEGREES. 12. EXAMPLE OF PART NUMBER: AS4798 - 08 - 024 2FRACTIONAL LENGTH IN EIGHTHS OF AN INCH INCREMENTS (.25 IN) /8/ LENGTH
15、IN WHOLE INCHES (24 IN) /8/ BASIC HOSE ASSEMBLY SIZE CODE (.5 IN HOSE SIZE) (SEE TABLE 1) BASIC PART NUMBER 13. A CHANGE BAR (|) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHANGES HAVE BEEN MADE TO THE PREVIOUS ISSUE OF THIS DOCUMENT. AN (R) SYMBOL TO THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE REVISION OF THE DOCUMENT, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY.
