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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. SHEET 1 OF 4 AS4591 THIRD ANGLE PROJECTION AEROSPACE STANDARD AS4591 ISSUED 2001-03 R
3、EAFFIRMED 2007-01 HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, BEAM SEAL, 90 TO 90 CUSTODIAN: SAE G-3/G-3DPROCUREMENT SPECIFICATION: AS1975 /2/ FEDERAL SUPPLY CLASS 4720 FIGURE 1 - ENLARGED VIEW - 90 END FITTING FIGURE 2 - ASSEMBLY ORIENTATION Copyr
4、ight 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 means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT OR
5、DER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org RATIONALE THIS DOCUMENT HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE 5-YEAR REVIEW POLICY. Copyright SAE International Provided by IHS under
6、 license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 21:11:21 MSTNo reproduction or networking permitted without license from IHS -,-,- HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, BEAM SEAL, 90 TO 90 AEROSPACE STANDARD
7、 AS4591 SHEET 2 OF 4 AS4591 TABLE 1 - ASSEMBLY DIMENSIONS HOSE ASSEMBLY NO. & SIZE CODE /21/ HOSE SIZE (REF) THREAD T PER AS8879 (REF) HOSE ID MIN A1 MAX C HEX (REF) D /8/ DIA MAX WITHOUT SLEEVING E MIN E MAX SPHERICAL BALL SIZE FOR DETERMINING MINIMUM HOSE ASSEMBLY ID /7/ IN AS4591E .250 .4375-20UN
8、JS-3B .2121.880 .56 .69 .576 .701.115 AS4591G .375 .5625-20UNJS-3B .2982.180 .69 .80 .610 .735.204 AS4591H .500 .7188-20UNJS-3B .3912.530 .88 .97 .693 .818.289 AS4591J .625 .8438-18UNJS-3B .4853.3751.001.15 .834 .959.349 AS4591K .750 1.000-16UNJ-3B .6023.9401.251.38 .9881.113.434 AS4591M1.000 1.250-
9、14UNJS-3B .8524.4851.501.661.1671.292.646 TABLE 2 - HOSE OR SLEEVE OUTSIDE DIAMETER SLEEVE CODE /22/SLEEVE MATERIAL TEMP LIMIT FTOLERANCE HOSE SIZE /10/ .250 HOSE SIZE /10/ .375 HOSE SIZE /10/ .500 HOSE SIZE /10/ .625 HOSE SIZE /10/ .750 HOSE SIZE /10/ 1.000 -(-) INDICATES BRAIDED HOSE ONLY PER AS19
10、75 275MAX MIN .465 .405 .555 .495 .715 .655 .920 .850 1.075 .995 1.365 1.285 AFIRESLEEVE (AS1072 SIL - FG) (5 min) /11/ /12/ 275MAX MIN .840 .658 .970 .788 1.150 .968 1.380 1.198 1.590 1.318 1.750 1.568 BFIRESLEEVE INTEGRAL SILICONE (5 min) /13/ 275MAX MIN CPROTECTIVE SLEEVE SHRINK-ON (POLYOLEFIN AS
11、1073 CODE B) 275MAX MIN .520 .450 .620 .550 .795 .725 1.000 .920 1.170 1.060 1.460 1.350 TABLE 3 - ASSEMBLY LENGTH TOLERANCES HOSE ASSEMBLY LENGTHTOLERANCE UNDER 18 in .125 in 18 TO 36 in EXCLUSIVE .250 in 36 TO 50 in EXCLUSIVE .500 in 50 in AND OVER 1% Copyright SAE International Provided by IHS un
12、der license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 21:11:21 MSTNo reproduction or networking permitted without license from IHS -,-,- HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, BEAM SEAL, 90 TO 90 AEROSPACE STAND
13、ARD AS4591 SHEET 3 OF 4 AS4591 NOTES: 1.MATERIALS: a.HOSE AND FITTINGS - PER AS1975 b.SLEEVES - SEE APPLICABLE STANDARDS, TABLE 2 /2/THIS PRODUCT SHALL BE QUALIFIED IN ACCORDANCE WITH PROCUREMENT SPECIFICATION AS1975 CLASS 4000. USERS OF THIS STANDARD SHALL PROCURE THIS PRODUCT FROM ACCREDITED MANUF
14、ACTURER(S), OR THEIR ACCREDITED DISTRIBUTOR(S), AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST PRI-QPL-AS1975 CLASS 4000 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 FR
15、OM THE DATE OF ISSUE OF THIS STANDARD. 3.CONSTRUCTION AND PERFORMANCE PER AS1975 CLASS 4000. 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 CHARAC
16、TERS SHALL BE A MINIMUM OF .06 in 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
17、END FITTING OR A FIRESLEEVE CLAMP. 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 EIGHTH
18、S. LENGTH “L” IS MEASURED FROM THE 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
19、MUST BE CAPABLE OF PASSING THROUGH 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 CAN
20、NOT BE REMOVED FROM THE FITTING. NUTS SHALL MEET THE TORQUE TEST REQUIREMENTS PER AS1975. TABLE 4 - HOSE AND FITTING WEIGHTS HOSE OR SLEEVE CODE /22/ HOSE OR TYPE SLEEVEUNITS HOSE SIZE .250 HOSE SIZE .375 HOSE SIZE .500 HOSE SIZE .625 HOSE SIZE .750 HOSE SIZE 1.000 -BRAIDED HOSE ONLY PER AS1975LB/IN
21、 (MAX).006.008.012.020.025 .040 AFIRESLEEVE AS1072 (5 min PER AS1055) /15/ LB/IN.012.017.018.028.030 .037 BFIRESLEEVE INTEGRAL WITH HOSE (5 min PER AS1055) /15/ LB/IN CPROTECTIVE SLEEVE SHRINK-ON (POLYOLEFIN AS1073, CODE B) LB/IN.001.001.001.002.002 .003 NONEFIRESLEEVE CLAMPLB/EA (REF).020.020.021.0
22、21.025 .025 NONEFITTING END (90) TITANIUM /16/LB/EA (REF).067.121.206.290.490 .627 Copyright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 21:11:21 MSTNo reproduction or networking permitted without license from IHS -,-,- HO
23、SE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, BEAM SEAL, 90 TO 90 AEROSPACE STANDARD AS4591 SHEET 4 OF 4 AS4591 /10/DIAMETERS ARE LISTED FOR CLAMP SELECTION. TUBULAR SLEEVES MAY NOT BE A PERFECT ROUND AND SHALL BE MEASURED WITH A DIAMETER TAPE RULE (OF
24、TEN REFERRED TO AS A PI-TAPE). /11/THE TABLE 2 SLEEVE DIAMETERS 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. /12/THE CUT ENDS OF THE FIRESLEEVE SHALL BE COATED WITH RTV SILI
25、CONE RUBBER 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. AFTER INSTALLATION, CRACKS OR VOIDS IN THE FIRESLEEVE WHICH EXPOSE FIBERGLASS SHALL BE COATED WITH RTV SILICONE RUBBER. /13/THE
26、 ENDS OF THE INTEGRAL FIRESLEEVE SHALL BE COVERED WITH SILICONE EXTENDING OVER THE END FITTING 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 REQUI
27、RED, WEIGHT LIMITS SHALL BE DEFINED BY THE PROCURING ACTIVITY. /16/TITANIUM PARTS MAY BE REPLACED 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 FITTIN
28、G 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 COUNTERCLOCKWISE FROM THE NEAREST END FITTING, WHICH SHALL BE IN THE RELATIVE 000 POSITION (SEE FIGURE 2). WHEN END FITTINGS
29、ARE POINTED IN THE SAME DIRECTION, THIS DASH NUMBER SHALL BE 000. /19/SAFETY WIRE HOLES LOCATION AND DIAMETER PER AS1043 CODED AS FOLLOWS: a.U = TWO HOLES 180 APART b.W = THREE HOLES 120 APART 20.THIS PART STANDARD TAKES PRECEDENCE IN CASES OF CONFLICT. 21.THE SHRINK ON POLYOLEFIN SLEEVE SHALL COVER
30、 THE ENTIRE HOSE AND A MINIMUM OF 50% OF THE COLLARS ON BOTH ENDS OF THE ASSEMBLY. /22/EXAMPLE OF PART NUMBER: 23.THIS HOSE ASSEMBLY STANDARD IS SIMILAR TO AS4579 EXCEPT FOR PROCUREMENT PURPOSES. THIS PART STANDARD SHALL BE USED FOR ALL FUTURE PROCUREMENT OF CLASS 4000 HOSE ASSEMBLIES. Copyright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 21:11:21 MSTNo reproduction or networking permitted without license from IHS -,-,-