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
2、ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA)Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS: http:/www.sae.orgSAE Technical Standards Board Rules providethat: “This report is published by SAE to advancethe state oftechnical and engineering sciences.Theuse
3、ofthis reportisentirelyvoluntary, andits applicabilityand suitabilityfor any particularuse,including any patentinfringement arising therefrom,isthe sole responsibility of the user.”SAE reviews each technical reportatleastevery five years atwhich timeitmay bereaffirmed,revised, or cancelled.SAE invit
4、es yourwritten comments and suggestions.SHEET 1 OF 5AS4574REV.ATHIRD ANGLE PROJECTIONAEROSPACE STANDARDAS4574REV. 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, STRAIGHT TO STRAIGHTCUSTODI
5、AN: SAE G-3/G-3D PROCUREMENT SPECIFICATION: AS1975 /2/FEDERAL SUPPLY CLASS 4720FIGURE 1 - FITTINGSENLARGED VIEW - END FITTINGCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-(R) HOSE ASSEMBLY, PTFE, PAR
6、A-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, BEAM SEAL, STRAIGHT TO STRAIGHTAEROSPACE STANDARDAS4574SHEET 2 OF 5AS4574REV.AREV. ATABLE 1 - ASSEMBLY DIMENSIONSHOSEASSEMBLYNO. & SIZECODE /22/HOSESIZE(REF)/20/FITTINGTYPE(REF)THREAD TPER AS8879(REF)HOSEIDMINAMAXB /7/MIN FTGBORE
7、DIAAFTERASSEMBLYCHEX(REF)D /8/DIA MAXWITHOUTSLEEVINGSPHERICALBALL SIZEFORDETERMININGMINIMUMHOSEASSEMBLY ID /7/INAS4574E .250 -AS4574E .250 S .4375-20UNJS-3B .212 1.630 .135 .56 .69 .122AS4574E .250 E .5625-20UNJS-3B .212 1.695 .135 .69 .69 .122AS4574G .375 R .4375-20UNJS-3B .298 1.770 .135 .56 .80 .
8、122AS4574G .375 S .5625-20UNJS-3B .298 1.880 .240 .69 .80 .216AS4574G .375 E .7188-20UNJS-3B .298 1.960 .240 .88 .80 .216AS4574H .500 R .5625-20UNJS-3B .391 2.100 .240 .69 .97 .216AS4574H .500 S .7188-20UNJS-3B .391 2.100 .340 .88 .97 .306AS4574H .500 E .8438-18UNJS-3B .391 2.620 .340 1.00 .97 .306A
9、S4574J .625 R .7188-20UNJS-3B .485 2.690 .340 .88 1.15 .306AS4574J .625 S .8438-18UNJS-3B .485 2.690 .410 1.00 1.15 .369AS4574J .625 E 1.000-16UNJ-3B .485 2.750 .410 1.13 1.15 .369AS4574K .750 R .8438-18UNJS-3B .602 3.240 .410 1.00 1.38 .369AS4574K .750 S 1.000-16UNJ-3B .602 3.240 .510 1.13 1.38 .45
10、9AS4574K .750 E 1.250-14UNJS-3B .602 3.320 .510 1.50 1.38 .459AS4574M 1.000 R 1.000-16UNJ-3B .852 3.810 .510 1.13 1.66 .459AS4574M 1.000 S 1.250-14UNJS-3B .852 3.810 .760 1.50 1.66 .684TABLE 2 - HOSE OR SLEEVE OUTSIDE DIAMETERSLEEVECODE /22/ SLEEVE MATERIALTEMPLIMITF TOLERANCEHOSESIZE/10/.250HOSESIZ
11、E/10/.375HOSESIZE/10/.500HOSESIZE/10/.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 FIRESLEE
12、VE INTEGRALSILICONE (5 min) /13/275 MAXMINC PROTECTIVE SLEEVESHRINK-ON (POLYOLEFINAS1073 CODE B)275 MAXMIN.520.450.620.550.795.7251.000.9201.1701.0601.4601.350Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from
13、IHS-,-(R) HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, BEAM SEAL, STRAIGHT TO STRAIGHTAEROSPACE STANDARDAS4574SHEET 3 OF 5AS4574REV.AREV. ANOTES:1. MATERIALS:a. HOSE AND FITTINGS - PER AS1975b. SLEEVES - SEE APPLICABLE STANDARDS, TABLE 2/2/ THIS PRODU
14、CT 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 DISTRIBUTOR(S), AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST PRI-QPL-AS1975 CLAS
15、S 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 STANDARD.3. CONSTRUCTION AND PERFORMANCE PER AS1975 CLASS 3000. FITTINGS SHALL BE PERMANENTLY ATTACHED TO THE HOSE.
16、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 RESULTANT
17、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.TABLE 3 - ASSEMBLY
18、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%TABLE 4 - HOSE AND FITTING WEIGHTSHOSEORSLEEVECODE/22/HOSE OR TYPESLEEVE UNITSHOSESIZE.250HOSESIZE.375HOSESIZE.500HOSESIZE.625HOSESIZE.750HOSESIZE1.000- BRAIDE
19、D 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) /15/LB/INC PROTECTIVE SLEEVE SHRINK-ON(POLYOLEFIN AS1073, CODE B)LB/IN .001 .001 .001 .002 .002 .003NONE FIRE
20、SLEEVE CLAMP LB/EA (REF) .020 .020 .021 .021 .025 .025NONE FITTING END (STRAIGHT) TITANIUM /16/ RSELB/EA (REF) -.044.062.081.085.121.170.194.277.210.226.309.361.369.426.452.471-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted wit
21、hout license from IHS-,-(R) HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, BEAM SEAL, STRAIGHT TO STRAIGHTAEROSPACE STANDARDAS4574SHEET 4 OF 5AS4574REV.AREV. A/6/ LENGTH “L” IS A FOUR DIGIT NUMBER OF WHICH THE FIRST THREE DIGITS DESCRIBE THE HOSE ASSEMB
22、LY LENGTH IN WHOLE INCHES AND THE FOURTH 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 TOLERANCES SEE TABLE 3./7/ A TRUE CIRCULAR CROSS SECTION IS NOT REQUIRED THROUG
23、H 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 NUTS SHALL MATE WITH MIL-F-85421/1 OR AS4207 FITTING ENDS. NONSTANDARD COUPLIN
24、G 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./10/ DIAMETERS ARE LISTED FOR CLAMP SELECTION. TUBULAR SLEEVES MAY NOT BE A PERFECT ROUND AND SHALL BE MEASURED WITH A DIAMETER T
25、APE RULE (OFTEN 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 W
26、ITH RTV SILICONE 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 THE FIBERGLASS SHALL BE COATED WITH RTV SILICONE
27、 RUBBER./13/ THE 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 FIRES
28、LEEVES ARE REQUIRED, 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 14.5M-1994.
29、/18/ SAFETY WIRE HOLES LOCATION AND DIAMETER PER AS1043 CODED AS FOLLOWS:a. U = TWO HOLES 180 APARTb. W = THREE HOLES 120 APART19. THIS PART STANDARD TAKES PRECEDENCE IN CASES OF CONFLICT./20/ JUMP SIZE CODE EXPLANATION:a. R - STEP DOWN 1 STANDARD LETTER SIZE PER TABLE 1 (REDUCER)b. S - HOSE SIZEc.
30、E - STEP UP 1 STANDARD LETTER SIZE PER TABLE 1 (EXPANDER)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.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking perm
31、itted without license from IHS-,-(R) HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, BEAM SEAL, STRAIGHT TO STRAIGHTAEROSPACE STANDARDAS4574SHEET 5 OF 5AS4574REV.AREV. A/22/ EXAMPLE OF PART NUMBER:23. ALL ASSEMBLIES PROCURED TO THIS STANDARD PRIOR TO REV
32、ISION 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 AS4586 FOR PROCUREMENT OF CLASS 4000 HOSE ASSEMBLIES.24. THE CHANGE BAR ( l ) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER
33、 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-,-
