1、 AEROSPACE STANDARD HOSE ASSEMBLY, CONVOLUTED, POLYTETRAFLUOROETHYLENE, METALLIC REINFORCED CONDUCTIVE, FLARELESS, 90 TO 90 AS1638 Copyright 2007 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 m
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3、SUED 1980-09REAFFIRMED 2004-07 REVISED 2007-02THIRD ANGLE PROJECTION CUSTODIAN: SAE G-3/G-3D REV. D FEDERAL SUPPLY CLASS4720 AS1638 SHEET 1 OF 5 REV.D PROCUREMENT SPECIFICATION: AS620 /2/RATIONALE REVISED STANDARD TO AGREE WITH HOSE ASSEMBLY MANUFACTURER PRODUCT DESIGNS AND ADDED -32 SIZE FIGURE 1 -
4、 HOSE ASSEMBLY FIGURE 2 - SPIRAL AND POYESTER ABRASION COVER /6/, /7/ FIGURE 3 - FITTING ANGULAR ORIENTATION /15/ +/- 3 ANGULAR ROTATIONSAE TechnicalStandards Board Rules provide that: “This report is published by SAE toadvance thestate of technical andengineering sciences.The use of thisreport is e
5、ntirely voluntary, andits applicabilityandsuitability forany particularuse,including any patent infringement arising therefrom, is thesole responsibility oftheuser.” SAE reviews each technical report at least every five yearsat which time it may be reaffirmed, revised, orcancelled.SAE invites yourwr
6、itten commentsandsuggestions.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD HOSE ASSEMBLY, CONVOLUTED, POLYTETRAFLUOROETHYLENE, METALLIC REINFORCED CONDUCTIVE, FLARELESS, 90 TO 90
7、 AS1638 REV. D AS1638 SHEET 2 OF 5 REV.D TABLE 1 - ASSEMBLY DIMENSIONS HOSE ASSEMBLY AS1638 SIZE CODE HOSE ASSEMBLY SIZE REF THREAD T PER AS8879 REF A MAX B GAGE BASIC C /8/ MIN D MIN D MAX E /9/ MAX WITHOUT SLEEVING F HEX REF E .250 .4375-20 UNJF-3B 1.36 .2930 .132 .709 .779 .55 .56 G .375 .5625-18
8、 UNJF-3B 1.63 .4120 .256 .961 1.031 .68 .69 H .500 .7500-16 UNJF-3B 1.85 .5600 .345 1.115 1.185 .86 .88 J .625 .8750-14 UNJF-3B 2.20 .6730 .430 1.377 1.447 .95 1.00 K .750 1.0625-12 UNJ -3B 2.67 .8100 .635 1.447 1.517 1.28 1.25 M 1.000 1.3125-12 UNJ -3B 3.03 1.0620 .835 1.880 1.950 1.47 1.50 N 1.250
9、 1.6250-12 UNJ -3B 3.89 1.3160 1.085 2.183 2.253 1.70 1.81 P 1.500 1.8750-12 UNJ -3B 4.15 1.5650 1.310 2.653 2.723 2.00 2.12 R 2.000 2.5000-12 UNJ -3B 4.96 2.0680 1.780 2.980 3.050 2.56 2.75 TABLE 2 - ASSEMBLY LENGTH TOLERANCE +.250/-.125 in FOR LENGTHS UNDER 18 in +.500/-.250 in FOR LENGTHS FROM 18
10、 to 36 in EXL. +1.000/-.500 in FOR LENGTHS FROM 36 to 50 in EXL. +2%/-1% FOR LENGTHS 50 in AND OVER TABLE 3 - HOSE OR COVER OUTSIDE DIAMETER HOSE SIZE COVER CODE HOSE OR TYPE OF PROTECTIVE COVER .250 .375 .500 .625 .750 1.00 1.25 1.50 2.00 UPPER TEMP. LIMIT F HOSE ONLY PER AS620 .413/.477 .523/.587
11、.723/.787 .818/.882 1.028/1.092 1.266/1.330 1.494/1.558 1.758/1.822 2.293/2.357 B REF SPIRAL ABRASION /7/ .505 .615 .825 .935 1.140 1.358 1.630 1.890 2.395 275 H INTEGRAL FIRESLEEVE /11/ .710/.760 .798/.862 .978/1.055 1.100/1.202 1.300/1.392 1.478/1.610 1.718/1.840 1.968/2.120 2.480/2.564 400 N REF
12、FIRESLEEVE SIL/FG (AS1072) /11/ /12/ /13/ .900 1.030 1.150 1.380 1.590 1.800 2.060 2.320 2.740 400 K INTEGRAL ABRASION /8/ (BRAIDED) POLYESTER .468/.532 .598/.662 .808/.872 .888/.952 1.103/1.167 1.313/1.405 1.568/1.632 1.838/1.902 2.370/2.452 300 J INTEGRAL FIRESLEEVE /14/ .653/.717 .763/.827 .963/1
13、.027 1.058/1.122 1.268/1.332 1.498/1.562 2.480/2.564 400 TABLE 4 - HOSE ASSEMBLIES PHYSICAL CHARACTERISTICS HOSE SIZE REF OPERATING PRESSURE MAX PSI PROOF PRESSURE MIN PSI BURST PRESSURES ROOM TEMP MIN PSI BURST PRESSURES HIGH TEMP MIN PSI BEND RADIUS AT INSIDE OF BEND INCHES (HOSE ONLY) E 1000 2000
14、 4000 2800 1.25 G 1000 2000 4000 2800 2.25 H 1000 2000 4000 2800 2.88 J 1000 1800 3600 2500 3.00 K 1000 1800 3600 2500 3.75 M 1000 1800 3600 2500 5.00 N 1000 1800 3600 2500 6.25 P 750 1500 3000 2100 7.50 R 250 500 1000 700 10.00 Copyright SAE International Provided by IHS under license with SAENot f
15、or ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD HOSE ASSEMBLY, CONVOLUTED, POLYTETRAFLUOROETHYLENE, METALLIC REINFORCED CONDUCTIVE, FLARELESS, 90 TO 90 AS1638 REV. D AS1638 SHEET 3 OF 5 REV.D TABLE 5 - WEIGHTS (NOM) HOSE SIZE REF HOSE ONLY LB/IN HOSE
16、WITH SPIRAL ABRASION COVER CODE B LB/IN HOSE WITH INTEGRAL FIRESLEEVE COVER CODE H & J LB/IN HOSE WITH TUBULAR FIRESLEEVE COVER CODE N LB/IN HOSE WITH POLYESTER ABRASION COVER CODE K LB/IN 90 END FITTING LB EACH E .010 .011 .018 .009 .07 G .010 .014 .028 .021 .012 .12 H .022 .020 .032 .030 .018 .20
17、J .020 .025 .042 .035 .022 .31 K .027 .032 .050 .044 .028 .45 M .040 .039 .055 .057 .038 .74 N .055 .060 .070 .077 .045 1.20 P .060 .071 .082 .107 .058 1.74 R .090 .105 .129 .142 .100 2.39 TABLE 6 - SLEEVE LENGTH HOSE SIZE LENGTH (INCHES) E G 2.00 .25 H J 2.50 .25 K M 3.00 .25 N P 3.50 .25 R 4.00 .2
18、5 TABLE 7 - MINIMUM INSPECTION BALL SIZE FOR VERIFYING HOSE ASSEMBLY ID /8/ HOSE SIZE REF DIA IN E .112 G .218 H .293 J .366 K .540 M .710 N .922 P 1.114 R 1.513 Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license fr
19、om IHS-,-,-AEROSPACE STANDARD HOSE ASSEMBLY, CONVOLUTED, POLYTETRAFLUOROETHYLENE, METALLIC REINFORCED CONDUCTIVE, FLARELESS, 90 TO 90 AS1638 REV. D AS1638 SHEET 4 OF 5 REV.D NOTES: 1. MATERIALS: HOSE AND FITTINGS PER AS620, TYPE II, CLASS 1 OR 2, AS SPECIFIED BY PART NUMBER. CODE B, SPIRAL ABRASION
20、COVER, BLACK NYLON COIL PER AS1294 CODE H AND J, INTEGRAL FIRESLEEVE, RED OR BROWN SILICONE CODE N, TUBULAR FIRESLEEVE, FIBERGLASS SILICONE PER AS1072 CODE K, INTEGRAL ABRASION SLEEVE, BRAIDED POLYESTER /2/ PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE ASSEMBLED BY AN ACCREDITED MANUFACTURER OR AS
21、SEMBLING DISTRIBUTOR LISTED IN THE PERFORMANCE REVIEW INSITTUTE (PRI) QUALIFIED PRODUCTS LIST FOR PRI-QPL-AS620 FOR THIS STANDARD. SEE http:/www.pri.sae.org/QPL/as620.pdf FOR CURRENT QPL ONLINE. NOTE THAT MANUFACTURERS AND ASSEMBLING DISTRIBUTORS ARE ACCREDITED BY PART NUMBER, SIZE AND MATERIAL ON T
22、HE PRI-QPL-AS620. 3. MARKING SHALL BE PER AS620 ON A STAINLESS STEEL BAND NOT OVER 1.0 in WIDE OR ON THE END FITTING COLLAR. THE CHARACTERS SHALL BE A MINIMUM OF .06 in HIGH. THE BAND SHALL BE SO DESIGNED AS TO REMAIN TIGHT ON THE HOSE TO PREVENT RELATIVE MOTION AND CHAFING. IT SHALL BE OF SUFFICIEN
23、T STRENGTH TO PREVENT REMOVAL BY HAND. 4. CONSTRUCTION AND PERFORMANCE PER AS620. FITTINGS SHALL BE PERMANENTLY ATTACHED TO HOSE. /5/ LENGTH “L” IS A THREE DIGIT NUMBER OF WHICH THE FIRST TWO DIGITS DESCRIBE THE HOSE ASSEMBLY LENGTH IN WHOLE INCHES, AND THE THIRD DIGIT, THE FRACTION OF AN INCH IN EI
24、GHTHS. LENGTH “L” IS MEASURED FROM “GAGE POINT” TO “GAGE POINT.” SEE TABLE 2 FOR LENGTH TOLERANCES. /6/ SPIRAL ABRASION COVER WHEN ASSEMBLED IN THE STRAIGHT CONDITION ON THE HOSE, SHALL HAVE AN AVERAGE GAP BETWEEN SPIRALS NOT EXCEEDING .05 in. DISPLACEMENT OF THE SPIRAL COVER, CAUSING A GREATER GAP,
25、 SHALL NOT BE CAUSE FOR REJECTION IF THE SPIRALS CAN BE REPOSITIONED TO MEET THE GAP REQUIREMENT. ENDS OF THE SPIRAL COVER SHALL BE TERMINATED WITH A LENGTH OF AMS-DTL-23053/5 BLACK POLYOLEFIN TUBING PER TABLE 6 AND FIGURE 2. /7/ BRAIDED POLYESTER ABRASION COVER SHALL FORM AN INTEGRAL, PERMANENT PAR
26、T OF THE HOSE AND SHALL TERMINATE A MAXIMUM OF .625 in FROM THE END OF THE END FITTING COLLAR. ENDS OF POLYESTER ABRASION COVER MAY BE TERMINATED WITH A LENGTH OF AMS-DTL-23053/11 (FEP) CLASS 1 OR 2, COLOR CLEAR, PER TABLE 6 AND FIGURE 2. /8/ HOSE ASSEMBLY INSIDE DIAMETER SHALL BE VERIFIED BY PASSIN
27、G THE DESIGNATED, OR LARGER, SPHERICAL BALL PER TABLE 7 THROUGH THE HOSE ASSEMBLY. /9/ DISTANCE ACROSS CORNERS OF COUPLING NUT, NIPPLE HEX OR SOCKET HEX MAY EXCEED THIS DIMENSION. /10/ ADD “AS1055 TYPE IIb CLASS B-S/P” OR “AS150 TYPE IIIbB” TO IDENTIFICATION MARKING TO SHOW LEVEL OF COMPLIANCE, “FIR
28、E-PROOF” (15 min), WITH AS1055 OR AS150. /11/ THE CUT ENDS OF THE FIRESLEEVE SHALL BE COATED WITH RTV SILICONE RUBBER, OR EQUIVALENT, PRIOR TO INSTALLATION, TO PREVENT WICKING OF FLUIDS. THE FIRESLEEVE ENDS SHALL BE SECURED TO THE HOSE ASSEMBLY END FITTINGS WITH CORROSION RESISTANT STEEL BANDS. AFTE
29、R INSTALLATION, CRACKS OR VOIDS IN THE FIRESLEEVE, WHICH EXPOSE THE FIBERGLASS, SHALL BE COATED WITH RTV SILICONE RUBBER. /12/ THE TABLE 3 SLEEVE DIAMETERS ARE THE AS1072 MAXIMUM FOR THE LARGEST SIZE FIRESLEEVE AS QUALIFIED BY THE VARIOUS HOSE ASSEMBLY MANUFACTURERS. THE SLEEVE MAY STRETCH OVER A FI
30、TTING, OR WRINKLE OVER THE HOSE DUE TO SLEEVE LENGTH TO ALLOW HOSE BENDING. THE SLEEVE MAY BE COMPRESSED OVER THE HOSE FOR MEASUREMENT OR CLAMPING. IN THIS CASE A WRINKLE MAY OCCUR OVER APPROXIMATELY 10% OF THE SLEEVE CIRCUMFERENCE. /13/ ADD “AS1055 TYPE IIa CLASS A-S/P” OR “AS150 TYPE IIIaA” TO IDE
31、NTIFICATION MARKING TO SHOW LEVEL OF COMPLIANCE, “FIRE RESISTANT” (5 min), WITH AS1055 OR AS150. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD HOSE ASSEMBLY, CONVOLUTED, POLYTETR
32、AFLUOROETHYLENE, METALLIC REINFORCED CONDUCTIVE, FLARELESS, 90 TO 90 AS1638 REV. D AS1638 SHEET 5 OF 5 REV.D 14. STANDARD COUPLING NUTS SHALL BE IN ACCORDANCE WITH AS21921 OR AS4370. NONSTANDARD COUPLING NUTS MAY BE USED BUT SHALL COMPLY WITH THE REQUIREMENT (b) OF NAS1760 FOR NONSTANDARD NUTS AND S
33、HALL BE RETAINED BY THE END FITTING. /15/ THE FITTING ORIENTATION DASH NUMBER IS A THREE DIGIT NUMBER DEFINING THE RELATIVE POSITION OF THE END FITTINGS IN 1 INCREMENTS (EXAMPLE 090 = 90). FITTING ORIENTATION SHALL BE MEASURED COUNTER CLOCKWISE FROM THE NEAREST END FITTING, WHICH SHALL BE IN THE REL
34、ATIVE 000 POSITION (SEE FIGURE 3). WHEN END FITTINGS ARE POINTED IN THE SAME DIRECTION, THIS DASH NUMBER SHALL BE 000. 16. DIMENSIONS ARE IN INCHES UNLESS OTHERWISE SPECIFIED. 17. EXAMPLE OF PART NUMBER: (SEE /15/ AND FIGURE 3) 18. THE CHANGE BAR ( l ) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIEN
35、CE 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. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
