1、 AEROSPACE STANDARD HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, BEAM SEAL, 90 TO 90 AS4591Copyright 2015 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form
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3、www.sae.org ISSUED 2001-03REAFFIRMED2015-04THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3D FEDERAL SUPPLY CLASS 4720AS4591 SHEET 1 OF 4 PROCUREMENT SPECIFICATION: AS1975 /2/SAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineering scie
4、nces. Theuse ofthisreport is entirelyvoluntary, andits applicability and suitability forany particularuse,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabi
5、lized, orcancelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4591 RATIONALE AS4591 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. FIGURE 1 - ENLARGED V
6、IEW - 90 END FITTINGFIGURE 2 - ASSEMBLY ORIENTATIONAEROSPACE STANDARD AS4591 SHEET 2 OF 4 HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, BEAM SEAL, 90 TO 90 TABLE 1 - ASSEMBLY DIMENSIONSHOSEASSEMBLYNO. & SIZECODE /21/HOSESIZE(REF)THREAD TPER AS8879(RE
7、F)HOSEIDMINA1MAXCHEX(REF)D /8/DIA MAXWITHOUTSLEEVINGEMINEMAXSPHERICALBALL SIZEFORDETERMININGMINIMUMHOSEASSEMBLY ID /7/INAS4591E .250 .4375-20UNJS-3B .212 1.880 .56 .69 .576 .701 .115AS4591G .375 .5625-20UNJS-3B .298 2.180 .69 .80 .610 .735 .204AS4591H .500 .7188-20UNJS-3B .391 2.530 .88 .97 .693 .81
8、8 .289AS4591J .625 .8438-18UNJS-3B .485 3.375 1.00 1.15 .834 .959 .349AS4591K .750 1.000-16UNJ-3B .602 3.940 1.25 1.38 .988 1.113 .434AS4591M 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 TOLERANCEHOSESIZ
9、E/10/.250HOSESIZE/10/.375HOSESIZE/10/.500HOSESIZE/10/.625HOSESIZE/10/.750HOSESIZE/10/1.000- (-) INDICATES BRAIDED HOSEONLY PER AS1975275 MAXMIN.465.405.555.495.715.655.920.8501.075.9951.3651.285A FIRESLEEVE (AS1072 SIL - FG)(5 min) /11/ /12/275 MAXMIN.840.658.970.7881.150.9681.3801.1981.5901.3181.75
10、01.568B FIRESLEEVE INTEGRALSILICONE (5 min) /13/275 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
11、 EXCLUSIVE .500 in50 in AND OVER 1%AEROSPACE STANDARD AS4591 SHEET 3 OF 4 HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, BEAM SEAL, 90 TO 90 NOTES:1. MATERIALS:a. HOSE AND FITTINGS - PER AS1975b. SLEEVES - SEE APPLICABLE STANDARDS, TABLE 2/2/ THIS PRO
12、DUCT SHALL BE QUALIFIED IN ACCORDANCE WITH PROCUREMENT SPECIFICATION AS1975 CLASS 4000. USERS OF THIS STANDARD SHALL PROCURE THIS PRODUCT FROM ACCREDITED MANUFACTURER(S), OR THEIR ACCREDITED DISTRIBUTOR(S), AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST PRI-QPL-AS1975 CL
13、ASS 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 FROM THE DATE OF ISSUE OF THIS STANDARD.3. CONSTRUCTION AND PERFORMANCE PER AS1975 CLASS 4000. FITTINGS SHALL BE PERMANENTLY ATTACHED TO THE HOS
14、E.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 in HIGH. THE BAND SHALL BE SO DESIGNED AS TO REMAIN TIGHT ON THE HOSE TO PREVENT RELATIVE MOVEMENT AND RESULTAN
15、T 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. MARKING BAND SHALL BE COVERED WITH TRANSPARENT POLYOLEFIN SHRINK SLEEVE PER AS1073 CODE A./6/ LENGTH “L” IS
16、 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 THE OUTER CORNER OF THE SEALING SURFACE TO OUTER CORNER OF SEALING SURFACE AS SHOWN IN FIGURE 1. FOR LENGTH TOL
17、ERANCES 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 THROUGH THE HOSE ASSEMBLY./8/ DISTANCE ACROSS CORNERS OF THE HEX MAY EXCEED THIS DIMENSION./9/ STANDARD COUPLING NU
18、TS 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. NUTS SHALL MEET THE TORQUE TEST REQUIREMENTS PER AS1975.TABLE 4 - HOSE AND FITTING WEIGHTSHOSEOR SLEEVECODE /
19、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 AS1072 (5 minPER AS1055) /15/LB/IN .012 .017 .018 .028 .030 .037B FIRESLEEVE INTEGRAL WITHHOSE (5 min PER AS1055) /
20、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) TITANIUM /16/ LB/EA (REF) .067 .121 .206 .290 .490 .627AEROSPACE STANDARD AS4591 SHEET 4 OF 4 HOSE ASSEMBLY, PTFE, P
21、ARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, BEAM SEAL, 90 TO 90 /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 F
22、OR 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 SILICONE RUBBER PRIOR TO INSTALLATION TO PREVENT WICKING OF FLUIDS. T
23、HE 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 ENDS OF THE INTEGRAL FIRESLEEVE SHALL BE COVERED WITH SILICONE E
24、XTENDING 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 REQUIRED, WEIGHT LIMITS SHALL BE DEFINED BY THE PROCURING ACTIVITY./16
25、/ 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 FITTING ORIENTATION DASH NUMBER IS A THREE DIGIT NUMBER DEFINING THE RE
26、LATIVE 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 ARE POINTED IN THE SAME DIRECTION, THIS DASH NUMBER SHALL BE 000.
27、/19/ SAFETY WIRE HOLES LOCATION 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 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.
