1、Copyright 2004 SAE InternationalAll 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, mechanical, photocopying, recording, orotherwise, without the prior written permission of SAE.TO PLACE A DOCUMENT
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4、es yourwritten comments and suggestions.SHEET 1 OF 5AS4579REV.ATHIRD ANGLE PROJECTIONAEROSPACE STANDARDAS4579REV. AISSUED 1997-11 REVISED 2001-01 REAFFIRMED 2004-06(R) HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, BEAM SEAL, 90 TO 90CUSTODIAN: SAE G-3/
5、G-3D PROCUREMENT SPECIFICATION: AS1975 /2/FEDERAL SUPPLY CLASS 4720FIGURE 1 - ENLARGED VIEW - 90 END FITTINGFIGURE 2 - ASSEMBLY ORIENTATIONCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-HOSE ASSEMBLY,
6、 PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, BEAM SEAL, 90 TO 90AEROSPACE STANDARDAS4579SHEET 2 OF 5AS4579REV.AREV. A(R)TABLE 1 - ASSEMBLY DIMENSIONSHOSEASSEMBLYNO. & SIZECODE /21/HOSESIZE(REF)THREAD TPER AS8879(REF)HOSEIDMINA1MAXCHEX(REF)D /8/DIA MAXWITHOUTSLEEVIN
7、GEMINEMAXSPHERICALBALL SIZEFORDETERMININGMINIMUMHOSEASSEMBLY ID /7/INAS4579E .250 .4375-20UNJS-3B .212 1.880 .56 .69 .576 .701 .115AS4579G .375 .5625-20UNJS-3B .298 2.180 .69 .80 .610 .735 .204AS4579H .500 .7188-20UNJS-3B .391 2.530 .88 .97 .693 .818 .289AS4579J .625 .8438-18UNJS-3B .485 3.375 1.00
8、1.15 .834 .959 .349AS4579K .750 1.000-16UNJ-3B .602 3.940 1.25 1.38 .988 1.113 .434AS4579M 1.000 1.250-14UNJS-3B .852 4.485 1.50 1.66 1.167 1.292 .646TABLE 2 - HOSE OR SLEEVE OUTSIDE DIAMETERSLEEVECODE /22/ SLEEVE MATERIALTEMPLIMITF TOLERANCEHOSESIZE/10/.250HOSESIZE/10/.375HOSESIZE/10/.500HOSESIZE/1
9、0/.625HOSESIZE/10/.750HOSESIZE/10/1.000- (-) INDICATES BRAIDED HOSEONLY PER AS1975275 MAXMIN.465.405.555.495.710.650.920.8501.075.9951.3651.285A FIRESLEEVE (AS1072 SIL - FG)(5 min) /11/ /12/275 MAXMIN.840.658.970.7881.150.9681.3801.1981.5901.3181.7501.568B FIRESLEEVE INTEGRALSILICONE (5 min) /13/275
10、 MAXMINC PROTECTIVE SLEEVESHRINK-ON (POLYOLEFINAS1073 CODE B)275 MAXMIN.520.450.620.550.795.7251.000.9201.1701.0601.4601.350TABLE 3 - ASSEMBLY LENGTH TOLERANCESHOSE ASSEMBLY LENGTH TOLERANCEUNDER 18 in .125 in18 TO 36 in EXCLUSIVE .250 in36 TO 50 in EXCLUSIVE .500 in50 in AND OVER 1%Copyright SAE In
11、ternational Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, BEAM SEAL, 90 TO 90AEROSPACE STANDARDAS4579SHEET 3 OF 5AS4579REV.AREV. A(R)
12、NOTES:1. MATERIALS:a. HOSE AND FITTINGS - PER AS1975b. SLEEVES - SEE APPLICABLE STANDARDS, TABLE 2/2/ THIS PRODUCT SHALL BE QUALIFIED IN ACCORDANCE WITH PROCUREMENT SPECIFICATION AS1975 CLASS 3000. USERS OF THIS STANDARD SHALL PROCURE THIS PRODUCT FROM ACCREDITED MANUFACTURER(S), OR THEIR ACCREDITED
13、 DISTRIBUTOR(S), AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST PRI-QPL-AS1975 CLASS 3000 FOR THIS STANDARD. CHANGE-OVER FROM USER-QPL TO PRI-QPL SHALL BE IN ACCORDANCE WITH AS1975 REVISION C OR HIGHER AND BE COMPLETED WITHIN SIX MONTHS FROM THE DATE OF ISSUE OF THIS STA
14、NDARD.3. CONSTRUCTION AND PERFORMANCE PER AS1975 CLASS 3000. FITTINGS SHALL BE PERMANENTLY ATTACHED TO THE HOSE.4. OPERATING CHARACTERISTICS PER AS1975./5/ MARKING: MARKING SHALL BE PER AS1975 ON A STAINLESS STEEL BAND NOT OVER 1.0 in WIDE OR ON THE COLLAR. THE CHARACTERS SHALL BE A MINIMUM OF .06 i
15、n HIGH. THE BAND 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 CLAM
16、P. MARKING BAND SHALL BE COVERED WITH TRANSPARENT POLYOLEFIN SHRINK SLEEVE PER AS1073 CODE A./6/ 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 FRACTIONS OF AN INCH IN EIGHTHS. LENGTH “L” IS MEASURED FROM T
17、HE OUTER CORNER OF THE SEALING SURFACE TO OUTER CORNER OF SEALING SURFACE AS SHOWN IN FIGURE 1. FOR LENGTH TOLERANCES SEE TABLE 3./7/ A TRUE CIRCULAR CROSS SECTION IS NOT REQUIRED THROUGH THE FITTING ID. HOWEVER, THE APPLICABLE MINIMUM BALL DIAMETER LISTED IN TABLE 1 MUST BE CAPABLE OF PASSING THROU
18、GH THE HOSE ASSEMBLY./8/ DISTANCE ACROSS CORNERS OF THE HEX MAY EXCEED THIS DIMENSION./9/ STANDARD COUPLING NUTS SHALL MATE WITH MIL-F-85421/1 OR AS4207 FITTING ENDS. NONSTANDARD COUPLING NUTS MAY BE USED PROVIDED THEY ARE FUNCTIONALLY EQUIVALENT AND PROVIDED THEY CANNOT BE REMOVED FROM THE FITTING.
19、 NUTS SHALL MEET THE TORQUE TEST REQUIREMENTS PER AS1975.TABLE 4 - HOSE AND FITTING WEIGHTSHOSEOR SLEEVECODE /22/HOSE OR TYPESLEEVE UNITSHOSESIZE.250HOSESIZE.375HOSESIZE.500HOSESIZE.625HOSESIZE.750HOSESIZE1.000- BRAIDED HOSE ONLY PER AS1975 LB/IN (MAX) .006 .008 .012 .020 .025 .040A FIRESLEEVE AS107
20、2 (5 minPER AS1055) /15/LB/IN .012 .017 .018 .028 .030 .037B FIRESLEEVE INTEGRAL WITHHOSE (5 min PER AS1055) /15/LB/INC PROTECTIVE SLEEVE SHRINK-ON(POLYOLEFIN AS1073, CODE B)LB/IN .001 .001 .001 .002 .002 .003NONE FIRESLEEVE CLAMP LB/EA (REF) .020 .020 .021 .021 .025 .025NONE FITTING END (90) TITANI
21、UM /16/ LB/EA (REF) .067 .121 .206 .290 .490 .627Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, BEAM SEAL,
22、 90 TO 90AEROSPACE STANDARDAS4579SHEET 4 OF 5AS4579REV.AREV. A(R)/10/ 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)./11/ THE TABLE 2 SLEEVE DIAMETERS FOR AS1072 SLEEVES APPLY WHEN
23、THE SLEEVE IS COMPRESSED OR CLAMPED TO CONTACT THE HOSE. IN THIS CASE A WRINKLE MAY OCCUR OVER APPROXIMATELY 10% OF THE SLEEVE CIRCUMFERENCE./12/ THE CUT ENDS OF THE FIRESLEEVE SHALL BE COATED WITH RTV SILICONE RUBBER PRIOR TO INSTALLATION TO PREVENT WICKING OF FLUIDS. THE FIRESLEEVE ENDS SHALL BE S
24、ECURED TO THE HOSE ASSEMBLY END FITTINGS WITH CORROSION RESISTANT STEEL BANDS. AFTER INSTALLATION, CRACKS OR VOIDS IN THE FIRESLEEVE WHICH EXPOSE FIBERGLASS SHALL BE COATED WITH RTV SILICONE RUBBER./13/ THE ENDS OF THE INTEGRAL FIRESLEEVE SHALL BE COVERED WITH SILICONE EXTENDING OVER THE END FITTING
25、 COLLAR.14. ADD “AS1055 TYPE IIb CLASS A-S/P” OR “AS150 TYPE XIII” TO IDENTIFICATION MARKING TO SHOW LEVEL OF COMPLIANCE, “FIRE RESISTANT” 275 F (5 min), WITH AS1055 OR AS150./15/ WHEN FIRESLEEVES ARE REQUIRED, WEIGHT LIMITS SHALL BE DEFINED BY THE PROCURING ACTIVITY./16/ TITANIUM PARTS MAY BE REPLA
26、CED WITH STAINLESS STEEL IF MAXIMUM WEIGHT FOR FITTING IS NOT EXCEEDED AND THE STAINLESS STEEL COMPONENTS HAVE BEEN PREVIOUSLY QUALIFIED.17. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994./18/ THE FITTING ORIENTATION DASH NUMBER IS A THREE DIGIT NUMBER DEFINING THE RELATIVE POSITION OF THE END FI
27、TTINGS IN 1 INCREMENTS (EXAMPLE 090 = 90). FITTING ORIENTATION SHALL BE MEASURED COUNTERCLOCKWISE FROM THE NEAREST END FITTING, WHICH SHALL BE IN THE RELATIVE 000 POSITION (SEE FIGURE 2). WHEN END FITTINGS ARE POINTED IN THE SAME DIRECTION, THIS DASH NUMBER SHALL BE 000./19/ SAFETY WIRE HOLES LOCATI
28、ON AND DIAMETER PER AS1043 CODED AS FOLLOWS:a. U = TWO HOLES 180 APARTb. W = THREE HOLES 120 APART20. THIS PART STANDARD TAKES PRECEDENCE IN CASES OF CONFLICT.21. THE SHRINK ON POLYOLEFIN SLEEVE SHALL COVER THE ENTIRE HOSE AND A MINIMUM OF 50% OF THE COLLARS ON BOTH ENDS OF THE ASSEMBLY./22/ EXAMPLE
29、 OF PART NUMBER:Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, BEAM SEAL, 90 TO 90AEROSPACE STANDARDAS4579
30、SHEET 5 OF 5AS4579REV.AREV. A(R)23. ALL ASSEMBLIES PROCURED TO THIS STANDARD PRIOR TO REVISION A CAN BE UTILIZED FOR EITHER CLASS 3000 OR CLASS 4000 SYSTEM APPLICATIONS. ALL FUTURE PROCUREMENTS TO THIS STANDARD SHALL BE FOR CLASS 3000 ONLY. REFER TO AS4591 FOR PROCUREMENT OF CLASS 4000 HOSE ASSEMBLI
31、ES.24. THE CHANGE BAR ( l ) 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.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-
