1、 AEROSPACE STANDARD HOSE ASSEMBLY, PTFE, CRES REINFORCED, 3000 PSI, 400 F, 45 TO 90, FLARED, LIGHTWEIGHT AS157Copyright 2017 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 means, electronic, mec
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3、MED 2007-07REVISED2017-04THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3D REV.G FEDERAL SUPPLY CLASS 4720 AS157 SHEET 1 OF 6 REV. G PROCUREMENT SPECIFICATION: AS1339 /20/ SAE Technical Standards Board Rules provide that: “This report is published by SAEtoadvance thestate of technicaland engineering scienc
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5、abilized, or cancelled. SAE invites your written comments and suggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS157G RATIONALE ESTABLISH CUFF DIMENSIONAL REQUIREMENTS FOR INTEGRAL FIRE SLEEVE CONFIGURATIONS. ODA2A1A S S E M B L Y
6、L E N G T H “ L “ /1 / FA C E O F S E A T2XFL A R E D F IT T IN G E N DT O M A T E W IT H A S 4 3 9 5 O R E Q U IV A L E N T 2 XG2G1S A F E T Y W IR E H O L E S /2 4 /D IM E N S IO N S IN IN C H E SID2 X E /3 / 2 X F /4 /2 X C /2 /2 X T H R E A D TFIGURE 1 - HOSE AND FITTING DIMENSIONS FIGURE 2 - TU
7、BULAR/COIL ABRASION END AEROSPACE STANDARD AS157 SHEET 2 OF 6 REV. G HOSE ASSEMBLY, PTFE, CRES REINFORCED, 3000 PSI, 400 F, 45 TO 90, FLARED, LIGHTWEIGHT FIGURE 3 - FITTING ANGULAR ORIENTATION FIGURE 4 - ALTERNATE ELBOW CONFIGURATION /21/ FIGURE 5 - INTEGRAL FIRESLEEVE DIMENSIONS - SEE TABLE 7 /27/
8、TABLE 1 - ASSEMBLY DIMENSION HOSE ASSEMBLY AS157 SIZE CODE SIZE THREAD T PER AS8879 ID MIN (REF) A1 MAX A2 MAX C /2/ DIA MIN E /3/ DIA MAX WITHOUT SLEEVING F HEX (REF) G1 MIN G1 MAX G2 MIN G2 MAX E .250 .4375-20 UNJF-3B .212 2.08 1.75 .135 .69 .56 .280 .450 .615 .740 G .375 .5625-18 UNJF-3B .298 2.2
9、9 2.00 .240 .80 .69 .370 .565 .830 .920 H .500 .7500-16 UNJF-3B .391 2.61 2.38 .340 .97 .88 .430 .645 .910 1.140 J .625 .8750-14 UNJF-3B .485 3.09 2.81 .410 1.11 1.00 .510 .675 1.110 1.310 K .750 1.0625-12 UNJ-3B .602 3.44 3.25 .510 1.38 1.25 .590 .720 1.340 1.500 M 1.000 1.3125-12 UNJ-3B .852 3.75
10、3.30 .760 1.66 1.50 .680 .820 1.805 1.865 AEROSPACE STANDARD AS157 SHEET 3 OF 6 REV. G HOSE ASSEMBLY, PTFE, CRES REINFORCED, 3000 PSI, 400 F, 45 TO 90, FLARED, LIGHTWEIGHT TABLE 2 - HOSE AND SLEEVE OUTSIDE DIAMETER SLEEVE CODE SLEEVE MATERIAL TEMP. LIMIT F TOLE- RANCE HOSE OR SLEEVE OUTSIDE DIAMETER
11、 /5/ HOSE SIZE .250 HOSE OR SLEEVE OUTSIDE DIAMETER /5/ HOSE SIZE .375 HOSE OR SLEEVE OUTSIDE DIAMETER /5/ HOSE SIZE .500 HOSE OR SLEEVE OUTSIDE DIAMETER /5/ HOSE SIZE .625 HOSE OR SLEEVE OUTSIDE DIAMETER /5/ HOSE SIZE .750 HOSE OR SLEEVE OUTSIDE DIAMETER /5/ HOSE SIZE 1.000 () INDICATES HOSE ONLY,
12、NO SLEEVE (SEE AS1339) 400 MAX MIN A ABRASION SLEEVE TUBULAR (TFE-AS1291-CODE B) /6/ 400 MAX MIN .500 .440 .600 .540 .730 .670 .840 .780 1.110 1.050 1.400 1.340 B ABRASION SLEEVE COIL (NYLON AS1294) /7/ 275 MAX MIN .450 .390 .550 .490 .695 .635 .810 .750 1.080 1.020 1.360 1.300 C FIRESLEEVE (AS1072
13、SIL-FG) (15 MINUTES) /8/ /9/ /13/ 400 MAX MIN .625 .500 .750 .625 .875 .750 1.000 .875 1.250 1.125 1.500 1.375 D ABRASION SLEEVE INTEGRAL SILICONE COMPOSITE /10/ /14/ 350 MAX MIN .500 .460 .600 .560 .700 .660 .830 .790 1.120 1.070 1.400 1.350 E ABRASION SLEEVE SHRINK-ON (FEP) /11/ 350 MAX MIN .424 .
14、374 .540 .480 .665 .615 .790 .730 1.070 1.010 1.350 1.290 F ABRASION SLEEVE SHRINK-ON (POLYOLEFIN AS1073 - CODE B) /11/ 275 MAX MIN .450 .400 .560 .505 .695 .645 .810 .750 1.080 1.020 1.360 1.300 G FIRESLEEVE (AS1072 SIL-FG) (5 MINUTES) /8/ /9/ /12/ 400 MAX MIN .625 .500 .750 .625 .875 .750 1.000 .8
15、75 1.250 1.125 1.500 1.375 H FIRESLEEVE INTEGRAL SILICONE (15 MINUTES) /13/ /27/ 400 MAX MIN .660 .600 .745 .685 .895 .835 1.005 .945 1.240 1.160 1.515 1.455 J FIRESLEEVE INTEGRAL SILICONE (5 MINUTES) /12/ /27/ 400 MAX MIN .660 .600 .745 .685 .895 .835 1.005 .945 1.240 1.160 1.515 1.455 K INTEGRAL A
16、BRASION SLEEVE (BRAIDED) POLYESTER /10/ 300 MAX MIN .490 .444 .570 .535 .695 .650 .800 .760 1.070 1.030 1.350 1.310 L ABRASION SLEEVE COIL (PTFE-AS1293) /7/ 400 MAX MIN .500 .440 .600 .540 .730 .670 .862 .802 1.110 1.050 1.400 1.340 TABLE 3 - ASSEMBLY LENGTH TOLERANCE HOSE ASSEMBLY LENGTH TOLERANCE
17、UNDER 18 INCHES .125 INCH 18 TO 36 INCHES, EXCLUSIVE .250 INCH 36 TO 50 INCHES, EXCLUSIVE .500 INCH 50 INCHES AND OVER 1% AEROSPACE STANDARD AS157 SHEET 4 OF 6 REV. G HOSE ASSEMBLY, PTFE, CRES REINFORCED, 3000 PSI, 400 F, 45 TO 90, FLARED, LIGHTWEIGHT TABLE 4 - WEIGHT HOSE OR SLEEVE CODE HOSE OR TYP
18、E SLEEVE UNITS MAXIMUM WEIGHT HOSE SIZE .250 MAXIMUM WEIGHT HOSE SIZE .375 MAXIMUM WEIGHT HOSE SIZE .500 MAXIMUM WEIGHT HOSE SIZE .625 MAXIMUM WEIGHT HOSE SIZE .750 MAXIMUM WEIGHT HOSE SIZE 1.000 - A B HOSE ONLY ABRASION SLEEVE (TFE-AS1291 - CODE B) ABRASION SLEEVE (NYLON AS1294) LB/IN LB/IN LB/IN .
19、009 .003 .001 .015 .004 .002 .020 .004 .003 .027 .005 .003 .058 .007 .004 .085 .009 .005 C D E FIRESLEEVE (15 MINUTES) AS1072 ABRASION SLEEVE INTEGRAL WITH HOSE ABRASION SLEEVE (FEP) LB/IN LB/IN LB/IN .007 .012 .002 .009 .016 .003 .011 .024 .003 .012 .034 .005 .017 .067 .006 .021 .110 .007 F G H ABR
20、ASION SLEEVE (AS1073 - CODE B) FIRESLEEVE (5 MINUTES) AS1072 FIRESLEEVE INTEGRAL (15 MINUTES) WITH HOSE LB/IN LB/IN LB/IN .002 .007 .019 .003 .009 .027 .003 .011 .035 .004 .012 .047 .005 .017 .099 .006 .021 .117 J K L FIRESLEEVE INTEGRAL (5 MINUTES) WITH HOSE ABRASION SLEEVE POLYESTER WITH HOSE ABRA
21、SION SLEEVE (PTFE-AS1293) LB/IN LB/IN LB/IN .019 .012 .003 .027 .016 .004 .035 .022 .005 .047 .030 .005 .099 .060 .006 .117 .090 .007 NONE FIRESLEEVE CLAMP LB/EA .025 .025 .025 .026 .026 .026 NONE FITTING END (HOSE SIZE 45) LB/EA .075 .121 .207 .306 .566 .780 NONE FITTING END (HOSE SIZE 90) LB/EA .0
22、75 .121 .207 .306 .584 .840 TABLE 5 - SLEEVE LENGTH HOSE SIZE LENGTH (INCHES) E G 2.00 .25 H J 2.50 .25 K M 3.00 .25 TABLE 6 - SPHERICAL BALL SIZE FOR DETERMINING MINIMUM HOSE ASSEMBLY ID /2/ HOSE SIZE ELBOW FITTING (INCH) E G H .115 .204 .289 J K M .349 .434 .646 TABLE 7 - INTEGRAL FIRE SLEEVE CUFF
23、 DIMENSIONS /27/ HOSE SIZE “K” MAX (INCHES) “M” MAX (INCHES) E G H 0.96 1.08 1.22 2.05 2.18 2.55 J K M 1.37 1.54 1.87 2.67 2.67 3.10 AEROSPACE STANDARD AS157 SHEET 5 OF 6 REV. G HOSE ASSEMBLY, PTFE, CRES REINFORCED, 3000 PSI, 400 F, 45 TO 90, FLARED, LIGHTWEIGHT NOTES /1/ LENGTH “L” IS A THREE DIGIT
24、 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 EIGHTHS. IF HOSE LENGTH IS AN EXACT WHOLE NUMBER IN INCHES (NO FRACTIONAL LENGTH ADDITIONS), FOURTH DIGIT SHALL BE SPECIFIED AS “0”. LENGTH “L” IS MEASURED FROM “F
25、ACE OF SEAT” TO “FACE OF SEAT”. FOR LENGTH TOLERANCES SEE TABLE 3. /2/ HOSE ASSEMBLY INSIDE DIAMETER SHALL BE VERIFIED BY PASSING THE DESIGNATED, OR LARGER, SPHERICAL BALL PER TABLE 6 THROUGH THE HOSE ASSEMBLY. /3/ DISTANCE ACROSS CORNERS OF THE COUPLING NUT MAY EXCEED THIS DIMENSION. /4/ STANDARD C
26、OUPLING NUTS SHALL BE IN ACCORDANCE WITH AN818 OR AS4370 AND MATE WITH AS4395 FLARED FITTING ENDS. NONSTANDARD COUPLING NUTS MAY BE USED, PROVIDED THEY ARE DIMENSIONALLY AND FUNCTIONALLY EQUIVALENT, AND PROVIDED THEY CANNOT BE REMOVED FROM THE FITTING. NUTS SHALL MEET TORQUE TEST REQUIREMENTS PER AS
27、1339. /5/ DIAMETERS ARE LISTED FOR CLAMP SELECTION. TUBULAR SLEEVES MAY NOT BE A PERFECT ROUND AND SHALL BE MEASURED WITH A DIAMETER TAPE RULE (OFTEN REFERRED TO AS A PI-TAPE). /6/ TUBULAR ABRASION (TFE) SLEEVES SHALL HAVE AN ID NO GREATER THAN HOSE OD + .05 INCH. AXIAL MOVEMENT OF THE SLEEVE INSTAL
28、LED ON THE HOSE SHALL NOT EXCEED .05 INCH. ENDS OF THE TUBULAR SLEEVE SHALL BE TERMINATED WITH A LENGTH OF AMS-DTL-23053/11 (FEP) CLASS 1 OR 2, COLOR CLEAR, PER TABLE 5 AND FIGURE 2. /7/ COIL ABRASION SLEEVES, WHEN ASSEMBLED ON A STRAIGHT HOSE, SHALL HAVE AN AVERAGE GAP BETWEEN COILS NOT EXCEEDING .
29、05 INCH. DISPLACEMENT OF THE COILS OF THE SLEEVE, CAUSING A GREATER GAP, SHALL NOT BE CAUSE FOR REJECTION IF THE COILS CAN BE REPOSITIONED TO MEET THE GAP REQUIREMENTS. ENDS OF THE COIL SLEEVE SHALL BE TERMINATED WITH A LENGTH OF HEAT SHRINKABLE SLEEVING IN ACCORDANCE WITH TABLE 5 AND FIGURE 2. CODE
30、 “B” (NYLON COIL) ABRASION SLEEVES SHALL BE TERMINATED WITH AMS-DTL-23053/5 CLASS 1 OR 3, COLOR BLACK. CODE “L” (COIL ABRASION) SLEEVES SHALL BE TERMINATED WITH AMS-DTL-23053/12, CLASS 1, COLOR TRANSPARENT, PTFE (OPTIONAL AMS-DTL-23053/11 (FEP) CLASS 1 OR 2, COLOR CLEAR). /8/ THE TABLE 2 SLEEVE DIAM
31、ETERS FOR AS1072 SLEEVES APPLY WHEN THE SLEEVE IS COMPRESSED, OR CLAMPED, TO CONTACT THE HOSE. IN THIS CASE A WRINKLE MAY OCCUR OVER APPROXIMATELY 10% OF THE SLEEVE CIRCUMFERENCE. /9/ THE CUT ENDS OF THE FIRESLEEVE SHALL BE COATED WITH RTV SILICONE RUBBER, PRIOR TO INSTALLATION, TO PREVENT WICKING O
32、F FLUIDS. THE FIRESLEEVE ENDS SHALL BE SECURED TO THE HOSE ASSEMBLY END FITTINGS WITH CORROSION RESISTANT STEEL BANDS. AFTER INSTALLATION, CRACKS OR VOIDS IN THE FIRESLEEVE, WHICH EXPOSE THE FIBERGLASS, SHALL BE COATED WITH RTV SILICONE RUBBER. /10/ INTEGRAL ABRASION SLEEVE SHALL FORM AN INTEGRAL, P
33、ERMANENT PART OF THE HOSE AND SHALL TERMINATE A MAXIMUM OF .200 INCH FROM THE END OF THE COLLAR. /11/ FEP AND POLYOLEFIN SHRINK ABRASION SLEEVES SHALL BE SHRUNK TO A SNUG FIT OVER THE HOSE AND END FITTING COLLARS. /12/ ADD “AS1055 TYPE IIb CLASS A-S/P” OR “AS150 TYPE IXbA” TO IDENTIFICATION MARKING
34、TO SHOW LEVEL OF COMPLIANCE, “FIRE RESISTANT” (5 MINUTES), WITH AS1055. /13/ ADD “AS1055 TYPE IIb CLASS B-S/P” OR “AS150 TYPE IXbB” TO IDENTIFICATION MARKING TO SHOW LEVEL OF COMPLIANCE, “FIRE PROOF” (15 MINUTES), WITH AS1055. /14/ SLEEVES CODED “D” ARE INACTIVE FOR FUTURE DESIGN AND SUPERSEDED BY C
35、ODE “K”, AS OF THE RELEASE DATE OF REVISION “A” OF THIS STANDARD. 15. CONSTRUCTION AND PERFORMANCE: SEE AS1339. FITTINGS SHALL BE PERMANENTLY ATTACHED TO THE HOSE. 16. OPERATING CHARACTERISTICS: SEE AS1339. 17. MATERIALS: a. HOSE AND FITTINGS: PER AS1339. b. SLEEVES: SEE APPLICABLE STANDARD, TABLE 2
36、. AEROSPACE STANDARD AS157 SHEET 6 OF 6 REV. G HOSE ASSEMBLY, PTFE, CRES REINFORCED, 3000 PSI, 400 F, 45 TO 90, FLARED, LIGHTWEIGHT 18. MARKING: MARKING SHALL BE PER AS1339 ON A STAINLESS STEEL BAND NOT OVER 1.0 INCH WIDE, OR ON THE COLLAR. THE CHARACTERS SHALL BE A MINIMUM OF .06 INCH HIGH. THE BAN
37、D SHALL BE SO DESIGNED AS TO REMAIN TIGHT ON THE HOSE TO PREVENT RELATIVE MOVEMENT AND RESULTANT CHAFING. IT SHALL BE OF SUFFICIENT STRENGTH TO PREVENT REMOVAL BY HAND. HOSE ASSEMBLY DATE AND “PT” SYMBOL SHALL BE PERMANENTLY MARKED ON THE BAND OR ON AN END FITTING OR A FIRESLEEVE CLAMP. 19. FIBERGLA
38、SS CONSTRUCTED FIRESLEEVES ARE IDENTICAL DIMENSIONALLY AND FUNCTIONALLY WITH ASBESTOS CONSTRUCTED FIRESLEEVES. ASBESTOS CONSTRUCTED FIRESLEEVES MAY BE RECEIVED AND USED UNTIL SUPPLY IS DEPLETED. /20/ PROCUREMENT SPECIFICATION: AS1339 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPE
39、CIFICATION SHALL BE MANUFACTURED AND ASSEMBLED BY AN ACCREDITED MANUFACTURER OR ASSEMBLED BY AN ACCREDITED DISTRIBUTOR LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST (QPL) PRI-QPL-AS1339 FOR THIS STANDARD SEE www.eAuditN FOR CURRENT QPL ON-LINE. /21/ ALTERNATE FORGED CONFIG
40、URATION, 45 AND 90 ELBOWS, MAY BE USED PROVIDED ALL DIMENSIONAL AND WEIGHT REQUIREMENTS ARE MET. 22. DO NOT USE UNASSIGNED SIZE CODES OR SLEEVE CODES. /23/ THE FITTING ORIENTATION DASH NUMBER IS A THREE DIGIT NUMBER DEFINING THE RELATIVE POSITION OF THE END FITTINGS IN 1 INCREMENTS (EXAMPLE: 090 = 9
41、0). FITTING ORIENTATION SHALL BE MEASURED COUNTERCLOCKWISE FROM THE NEAREST END FITTING, WHICH SHALL BE IN THE RELATIVE 000 POSITION (SEE FIGURE 3). WHEN END FITTINGS ARE POINTED IN THE SAME DIRECTION, THIS DASH NUMBER SHALL BE 000. /24/ SAFETY WIRE HOLES, LOCATION AND DIAMETER PER AS1043. WHEN CODE
42、 “L” IS SPECIFIED AT THE END OF THE PART NUMBER, SAFETY WIRE HOLES SHALL BE INCLUDED ON BOTH END FITTINGS. 25. EXAMPLE OF PART NUMBER: HOSE ASSEMBLY, PTFE, CRES REINFORCED, 3000 PSI, 400 F, 45 ELBOW TO 90 ELBOW, WITH 270 END FITTING ORIENTATION. FLARED, LIGHTWEIGHT, .500 DIA, ABRASION SLEEVE COIL (P
43、TFE-AS1293), 24.250 INCHES LONG, WITH LOCKWIRE HOLES ON BOTH ENDS. AS157 H 24 2 L 270 L SAFETY WIRE HOLES /24/ - ADD ONLY WHEN REQUIRED ANGULAR ORIENTATION IN 1 INCREMENTS /23/ SEE FIGURE 3 SLEEVE CODE, SEE TABLE 2 FRACTIONAL LENGTH IN EIGHTHS OF AN INCH /1/ LENGTH IN WHOLE INCHES /1/ BASIC HOSE ASS
44、EMBLY SIZE, SEE TABLE 1 BASIC HOSE ASSEMBLY PART NUMBER 26. REVISION INDICATOR: A CHANGE BAR (I) 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 T
45、HE 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. /27/ HOSE SLEEVE CODE H AND J CONFIGURATIONS (TABLE 7): THE ENDS OF THE INTEGRAL FIRE SLEEVE AND FITTING SOCKET/COLLAR MAY BE COVERED WITH A SILICONE CUFF OR MOLDED SILICONE (FIGURE 5 AND TABLE 7) AS REQUIRED TO COMPLY WITH APPLICABLE FIRE PROOF OR FIRE RESISTANCE REQUIREMENTS. 28. INVENTORIED PARTS CONFORMING TO THE PREVIOUS LETTER CHANGE MAY BE USED TO DEPLETION.
