1、 AEROSPACE STANDARD HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, FLARELESS, STRAIGHT TO 45 AS4581Copyright 2015 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any
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3、http:/www.sae.org ISSUED 2001-03REAFFIRMED2015-04THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3D FEDERAL SUPPLY CLASS 4720AS4581 SHEET 1 OF 6 PROCUREMENT SPECIFICATION: AS1975 /2/SAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineerin
4、g sciences. 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,
5、 stabilized, orcancelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4581 RATIONALE AS4581 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. FIGURE 1 - HOSE
6、 ASSEMBLY, STRAIGHT TO 45 ELBOWAEROSPACE STANDARD AS4581 SHEET 2 OF 6 HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, FLARELESS, STRAIGHT TO 45 TABLE 1 - ASSEMBLY DIMENSIONSHOSEASSEMBLYNO. & SIZECODEHOSESIZE(REF)/15/FITTINGTYPE(REF)THREAD TPER AS8879(R
7、EF)HOSEIDMINA1MAXA2MAXBGAGEBASICC /7/MIN STRFTG BOREAFTERASSEMBLYD1(REF)D2(REF)AS4581E .250 -AS4581E .250 S .4375-20UNJF-3B .212 1.630 2.160 .2930 .135 .16 .11AS4581E .250 E .5625-18UNJF-3B .212 1.695 2.200 .4120 .135 .16 .12AS4581G .375 R .4375-20UNJF-3B .298 1.820 2.620 .2930 .135 .16 .11AS4581G .
8、375 S .5625-18UNJF-3B .298 1.835 2.460 .4120 .240 .16 .12AS4581G .375 E .7500-16UNJF-3B .298 1.915 2.770 .5600 .240 .19 .13AS4581H .500 R .5625-18UNJF-3B .391 2.145 2.695 .4120 .240 .16 .12AS4581H .500 S .7500-16UNJF-3B .391 2.165 2.740 .5600 .340 .19 .13AS4581H .500 E .8750-14UNJF-3B .391 2.675 3.0
9、50 .6730 .340 .20 .14AS4581J .625 R .7500-16UNJF-3B .485 2.860 3.665 .5600 .340 .19 .13AS4581J .625 S .8750-14UNJF-3B .485 2.905 3.785 .6730 .410 .20 .14AS4581J .625 E 1.0625-12UNJ-3B .485 2.920 3.875 .8100 .410 .23 .16AS4581K .750 R .8750-14UNJF-3B .602 3.240 4.065 .6730 .410 .20 .14AS4581K .750 S
10、1.0625-12UNJ-3B .602 3.205 4.065 .8100 .510 .23 .16AS4581K .750 E 1.3125-12UNJ-3B .602 3.320 4.295 1.0620 .510 .30 .21AS4581M 1.000 R 1.0625-12UNJ-3B .852 3.690 4.645 .8100 .510 .23 .16AS4581M 1.000 S 1.3125-12UNJ-3B .852 3.740 4.645 1.0620 .760 .30 .21AS4581M 1.000 E 1.5625-12UNJ-3B .852 3.570 5.01
11、0 1.3160 .760 .04 .03AS4581N 1.250 R 1.3125-12UNJ-3B 1.100 4.600 5.650 1.0620 .760 .30 .21AS4581N 1.250 S 1.5625-12UNJ-3B 1.100 4.330 5.585 1.3160 .960 .04 .03AS4581N 1.250 - TBD TBD TBD TBD TBD TBD TBD TBDAS4581P 1.500 -AS4581P 1.500 S TBD TBD TBD TBD TBD TBD TBD TBDAS4581P 1.500 -AEROSPACE STANDAR
12、D AS4581 SHEET 3 OF 6 HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, FLARELESS, STRAIGHT TO 45 TABLE 1 (CONTINUED)HOSEASSEMBLYNO. & SIZECODEHOSESIZE(REF)/15/FITTINGTYPE(REF)E /8/MAXWITHOUTSLEEVINGFHEX(REF)GMINGMAXSPHERICALBALL SIZEFORDETERMININGMINIMU
13、MHOSEASSEMBLY ID /7/INSTRAIGHTFITTINGSPHERICALBALL SIZEFORDETERMININGMINIMUMHOSEASSEMBLY ID /7/INELBOWFITTINGAS4581E .250 -AS4581E .250 S .69 .56 .350 .475 .122 .115AS4581E .250 E .69 .69 .375 .500 .122 .115AS4581G .375 R .80 .56 .350 .475 .122 .115AS4581G .375 S .80 .69 .375 .500 .216 .204AS4581G .
14、375 E .80 .88 .435 .560 .216 .204AS4581H .500 R .97 .69 .375 .500 .216 .204AS4581H .500 S .97 .88 .435 .560 .306 .289AS4581H .500 E .97 1.00 .545 .670 .306 .289AS4581J .625 R 1.15 .88 .435 .560 .306 .289AS4581J .625 S 1.15 1.00 .545 .670 .369 .349AS4581J .625 E 1.15 1.25 .580 .705 .369 .349AS4581K .
15、750 R 1.38 1.00 .545 .670 .369 .349AS4581K .750 S 1.38 1.25 .580 .705 .459 .434AS4581K .750 E 1.38 1.50 .715 .840 .459 .434AS4581M 1.000 R 1.66 1.25 .580 .705 .459 .434AS4581M 1.000 S 1.66 1.50 .715 .840 .684 .646AS4581M 1.000 E 1.66 1.81 .750 .875 .684 .646AS4581N 1.250 R 2.33 1.50 .715 .840 .684 .
16、646AS4581N 1.250 S 2.33 1.81 .750 .875 .864 .816AS4581N 1.250 - TBD TBD TBD TBD TBD TBDAS4581P 1.500 -AS4581P 1.500 S TBD TBD TBD TBD TBD TBDAS4581P 1.500 -AEROSPACE STANDARD AS4581 SHEET 4 OF 6 HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, FLARELESS
17、, STRAIGHT TO 45 TABLE 2 - HOSE AND SLEEVE OUTSIDE DIAMETERSLEEVECODE SLEEVE MATERIALTEMPLIMITF TOLERANCEHOSESIZE/10/.250HOSESIZE/10/.375HOSESIZE/10/.500HOSESIZE/10/.625HOSESIZE/10/.750HOSESIZE/10/1.000HOSESIZE/10/1.250HOSESIZE/10/1.500- BRAIDED HOSE ONLY PER AS1975 275 MAXMIN.465.405.555.495.710.65
18、0.920.8501.075.9951.3651.2851.6601.580TBDTBDA FIRESLEEVE (AS1072 SIL FG)(5 min) /6/ /7/275 MAXMIN.840.658.970.7881.150.9681.3801.1981.5901.3181.7501.5681.9501.768TBDTBDB FIRESLEEVE INTEGRAL SILICONE(5 min) /11/ /12/275 MAXMINTBD TBD TBD TBD TBD TBD TBD TBDC PROTECTIVE SLEEVESHRINK-ON (POLYOLEFIN AS1
19、073CODE B) /21/275 MAXMIN.520.450.620.550.795.7251.000.9201.1701.0601.4601.350TBD TBDTABLE 3 - ASSEMBLY LENGTH TOLERANCEHOSE ASSEMBLY LENGTH TOLERANCEUNDER 18 in .125 in18 THRU 36 in EXCLUSIVE .250 in36 THRU 50 in EXCLUSIVE .500 in50 in AND OVER 1%TABLE 4 - HOSE AND FITTING WEIGHTSHOSEORSLEEVECODE H
20、OSE OR SLEEVE OR PART UNITSHOSESIZE.250HOSESIZE.375HOSESIZE.500HOSESIZE.625HOSESIZE.750HOSESIZE1.000HOSESIZE1.250HOSESIZE1.500- BRAIDED HOSE ONLY PER AS1975 LB/IN (MAX) .006 .008 .012 .020 .025 .040 .050 TBDA FIRESLEEVE AS1072 (5 minPER AS1055) /16/LB/INB FIRESLEEVE INTEGRAL WITHHOSE (5 min PER AS10
21、55) /16/LB/INC PROTECTIVE SLEEVE SHRINK-ON(POLYOLEFIN AS1073, CODE B) /21/LB/IN .001 .001 .001 .002 .002 .003 TBD TBDNONE FIRESLEEVE CLAMP LB/EA (REF) .020 .020 .021 .021 .025 .025 .032 TBDNONE FITTING END (STRAIGHT) TITANIUM/15/ /17/RSELB/EA (REF)LB/EA (REF)LB/EA (REF)-.048.068.077.081.115.118.135.
22、193.210.248.296.382.431.546.730.760.890TBDTBD-TBD /9/-NONE FITTING END (45) TITANIUM/15/ /17/RSELB/EA (REF)LB/EA (REF)LB/EA (REF)-.066.088.099.110.143.132.154.209.242.285.385.419.500.655.785.890.975TBDTBD-TBD /9/-AEROSPACE STANDARD AS4581 SHEET 5 OF 6 HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STA
23、NDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, FLARELESS, STRAIGHT TO 45 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 4000. USERS OF THIS STANDARD SHALL
24、 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 CLASS 4000 FOR THIS STANDARD. CHANGE-OVER FROM USER-QPL TO PRI-QPL SHALL BE IN ACCORDANCE WITH AS1975 REVISION C OR HI
25、GHER 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 HOSE.4. OPERATING CHARACTERISTICS PER AS1975.5. MARKING: MARKING SHALL BE PER AS1975 ON A STAINLESS STEEL BAND NOT OVER
26、 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 CHAFING. IT SHALL BE OF SUFFICIENT STRENGTH TO PREVENT REMOVAL BY HAND. HOSE ASSEMBLY DATE AND “PT” SYMBOL SHALL BE
27、 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 A FOUR DIGIT NUMBER OF WHICH THE FIRST THREE DIGITS DESCRIBE THE HOSE ASSEMBLY LENGTH IN WHOLE INCHES, AND THE FOURT
28、H DIGIT, THE FRACTION OF AN INCH IN EIGHTHS. LENGTH “L” IS MEASURED FROM “GAGE DIAMETER” TO “GAGE DIAMETER”. FOR LENGTH TOLERANCES SEE TABLE 3. TO CONVERT “GAGE DIAMETER” TO “GAGE DIAMETER” TO “END TO END” MEASUREMENT, ADD “D1” AND “D2”./7/ A TRUE CIRCULAR CROSS SECTION IS NOT REQUIRED THROUGH THE F
29、ITTING 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/ FITTING END IN SIZE CODES E THROUGH M MUST CONFORM TO NAS1760 TO MATE WITH AS33514 OR AS4375. FITTING E
30、ND FOR SIZE CODE N AND LARGER MUST CONFORM TO AS4703 TO MATE WITH AS4658 OR AS4659. STANDARD COUPLING NUTS SHALL BE IN ACCORDANCE WITH OR EQUIVALENT TO AS5234 OR AS4370. SIZE CODE N AND LARGER NUTS SHALL CONFORM TO AS4660 OR AS4702. NUTS SHALL MEET THE TORQUE REQUIREMENTS PER AS1975./10/ DIAMETERS A
31、RE 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 THE SLEEVE IS COMPRESSED, OR CLAMPED, TO CONTACT THE HOSE. IN THIS CASE, A WRINKL
32、E 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 SECURED TO THE HOSE ASSEMBLY END FITTINGS WITH CORROSION RESISTANT STEEL BANDS.
33、 AFTER INSTALLATION, CRACKS OR VOIDS IN THE FIRESLEEVE, WHICH EXPOSE THE 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 COLLAR.14. ADD “AS1055 TYPE IIb CLASS A-S/P” OR “AS150 TYPE XIII” TO ID
34、ENTIFICATION MARKING TO SHOW LEVEL OF COMPLIANCE, “FIRE RESISTANT” 275 F (5 min), WITH AS1055 OR AS150./15/ JUMP SIZE CODE EXPLANATION:a. R - STEP DOWN 1 STANDARD LETTER SIZE PER TABLE 1 (REDUCER)b. S - HOSE SIZEc. E - STEP UP 1 STANDARD LETTER SIZE PER TABLE 1 (EXPANDER)NOTE: SPECIFY STRAIGHT FITTI
35、NG SIZE FOLLOWED BY THE ELBOW SIZE IN THE PART NUMBER./16/ WHEN FIRESLEEVES ARE REQUIRED, WEIGHT LIMITS SHALL BE DEFINED BY THE PROCURING AUTHORITY.AEROSPACE STANDARD AS4581 SHEET 6 OF 6 HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED, STANDARD DUTY, 4000 PSI, 275 F, TITANIUM FITTINGS, FLARELESS, STRAIG
36、HT TO 45 /17/ 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.18. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994.19. SAFETY WIRE HOLES LOCATION AND DIAMETER PER AS1043 CODED AS FOLLOWS
37、:a. U = TWO HOLES 180 APARTb. W = THREE HOLES 120 APART20. THIS PART STANDARD TAKES PRECEDENCE IN CASES OF CONFLICT.21. EXAMPLE OF PART NUMBER:22. THIS HOSE ASSEMBLY STANDARD IS SIMILAR TO AS4569 EXCEPT FOR PROCUREMENT PURPOSES. THIS PART STANDARD SHALL BE USED FOR ALL FUTURE PROCUREMENT OF CLASS 4000 HOSE ASSEMBLIES.
