1、 AEROSPACE STANDARD HOSE ASSEMBLY, LINED SILICONE, 125 PSI, FIXED CAVITY COUPLING, POTABLE WATER,STRAIGHT MALE TO STRAIGHT MALE AS4704Copyright 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 an
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3、org ISSUED 1992-06REAFFIRMED 2007-01 REVISED 2010-11THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3D REV.C FEDERAL SUPPLY CLASS 4720 AS4704 SHEET 1 OF 2 REV. C PROCUREMENT SPECIFICATION: AS4468 /2/SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of techni
4、calandengineering 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 be
5、reaffirmed, revised, orcancelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4704C RATIONALE CORRECTED “MATES WITH” REFERENCE FIGURE 1 - HOSE ASSEMBLY TABLE 1 - BASIC HOSE AN
6、D END FITTING DIMENSIONS BASIC NO. AND SIZE CODE HOSE SIZE (REF) A MAX B (REF) ID (REF) OD MIN OD MAX AS4704-08 .500 1.40 .425 .500 .65 .73 AS4704-10 .625 1.40 .550 .625 .81 .85 AS4704-12 .750 1.53 .654 .750 .94 .98 AS4704-16 1.000 1.73 .909 1.000 1.19 1.23 TABLE 2 - LENGTH TOLERANCE HOSE ASSEMBLY L
7、ENGTH 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 TABLE 3 - HOSE ASSEMBLY WEIGHT INFORMATION HOSE SIZE CODE
8、HOSE LB/IN NOM (REF) END FITTING LB/EA STRAIGHT NOM (REF) HOSE LENGTH CORRECTION FACTOR, INCH /9/ 08 .0081 .038 .70 10 .0111 .047 .70 12 .0137 .083 .75 16 .0182 .118 .80 AEROSPACE STANDARD AS4704SHEET 2 OF 2REV. CHOSE ASSEMBLY, LINED SILICONE, 125 PSI, FIXED CAVITY COUPLING, POTABLE WATER, STRAIGHT
9、MALE TO STRAIGHT MALE NOTES: 1. MATERIAL AND FINISH: PER AS4468, TABLE 1. ALL FITTING COMPONENTS 300 SERIES CORROSION RESISTANT STEEL, PASSIVATED./2/ PROCUREMENT SPECIFICATION: AS4468 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED AND ASSEMBLED BY
10、AN ACCREDITED MANUFACTURER OR ASSEMBLED BY AN ACCREDITED DISTRIBUTOR LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS 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 INST
11、ALLATIONS WHERE A HIGH DEGREE OF FLEXIBILITY IS REQUIRED. 4. IDENTIFICATION: PER AS4468. 5. OPERATING CHARACTERISTICS: a. OPERATING 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” I
12、S A FOUR-DIGIT NUMBER OF WHICH THE FIRST THREE DIGITS DESCRIBE THE HOSE ASSEMBLY LENGTH IN WHOLE INCHES, AND THE FOURTH DIGIT THE 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
13、EQUALS HOSE ASSEMBLY WEIGHT. FOR DETERMINING HOSE WEIGHT, DEDUCT APPROPRIATE LENGTH CORRECTION FACTOR FROM EACH END OF THE ASSEMBLY LENGTH. 10. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 11. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS
14、 2 DEGREES. 12. EXAMPLE OF PART NUMBER: AS4704 - 08 - 024 2FRACTIONAL LENGTH IN EIGHTHS OF AN INCH INCREMENTS (.25 IN) /8/ LENGTH 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 CON
15、VENIENCE 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.
