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 6AS4568REV.BTHIRD ANGLE PROJECTIONAEROSPACE STANDARDAS4568REV. BISSUED 1992-06 REVISED 2001-01 REAFFIRMED 2004-06(R) HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, FLARELESS, STRAIGHT TO STRAIGHTCUSTODI
5、AN: SAE G-3/G-3D PROCUREMENT SPECIFICATION: AS1975 /2/FEDERAL SUPPLY CLASS 4720FIGURE 1 - HOSE ASSEMBLY, STRAIGHT TO STRAIGHTCopyright 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, FLARELESS, STRAIGHT TO STRAIGHTAEROSPACE STANDARDAS4568SHEET 2 OF 6AS4568REV.BREV. BTABLE 1 - ASSEMBLY DIMENSIONSHOSEASSEMBLYNO. & SIZECODEHOSESIZE(REF)/15/FITTINGTYPE(REF)THREAD TPER AS8879(REF)HOSEIDMINAMAXB GAGEBASICC /7/MIN FT
7、GBOREAFTERASSEMBLYD(REF)E /8/MAXWITHOUTSLEEVINGAS4568E .250 -AS4568E .250 S .4375-20UNJF-3B .212 1.630 .2930 .135 .16 .69AS4568E .250 E .5625-18UNJF-3B .212 1.695 .4120 .135 .16 .69AS4568G .375 R .4375-20UNJF-3B .298 1.820 .2930 .135 .16 .80AS4568G .375 S .5625-18UNJF-3B .298 1.835 .4120 .240 .16 .8
8、0AS4568G .375 E .7500-16UNJF-3B .298 1.915 .5600 .240 .19 .80AS4568H .500 R .5625-18UNJF-3B .391 2.145 .4120 .240 .16 .97AS4568H .500 S .7500-16UNJF-3B .391 2.165 .5600 .340 .19 .97AS4568H .500 E .8750-14UNJF-3B .391 2.675 .6730 .340 .20 .97AS4568J .625 R .7500-16UNJF-3B .485 2.860 .5600 .340 .19 1.
9、15AS4568J .625 S .8750-14UNJF-3B .485 2.905 .6730 .410 .20 1.15AS4568J .625 E 1.0625-12UNJ-3B .485 2.920 .8100 .410 .23 1.15AS4568K .750 R .8750-14UNJF-3B .602 3.240 .6730 .410 .20 1.38AS4568K .750 S 1.0625-12UNJ-3B .602 3.205 .8100 .510 .23 1.38AS4568K .750 E 1.3125-12UNJ-3B .602 3.320 1.0620 .510
10、.30 1.38AS4568M 1.000 R 1.0625-12UNJ-3B .852 3.690 .8100 .510 .23 1.66AS4568M 1.000 S 1.3125-12UNJ-3B .852 3.740 1.0620 .760 .30 1.66AS4568M 1.000 E 1.5625-12UNJ-3B .852 3.570 1.3160 .760 .04 1.66AS4568N 1.250 R 1.3125-12UNJ-3B 1.100 4.600 1.0620 .760 .30 2.33AS4568N 1.250 S 1.5625-12UNJ-3B 1.100 4.
11、330 1.3160 .960 .04 2.33AS4568N 1.250 - TBD TBD TBD TBD TBD TBD TBDAS4568P 1.500 -AS4568P 1.500 S TBD TBD TBD TBD TBD TBD TBDAS4568P 1.500 -Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-(R) HOSE ASSE
12、MBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, FLARELESS, STRAIGHT TO STRAIGHTAEROSPACE STANDARDAS4568SHEET 3 OF 6AS4568REV.BREV. BTABLE 1 (CONTINUED)HOSEASSEMBLYNO. & SIZECODEHOSESIZE(REF)/15/FITTINGTYPE(REF)FHEX(REF)SPHERICAL BALL SIZEFOR DETERMINING MINIMUMHO
13、SE ASSEMBLY ID /7/INAS4568E .250 -AS4568E .250 S .56 .122AS4568E .250 E .69 .122AS4568G .375 R .56 .122AS4568G .375 S .69 .216AS4568G .375 E .88 .216AS4568H .500 R .69 .216AS4568H .500 S .88 .306AS4568H .500 E 1.00 .306AS4568J .625 R .88 .306AS4568J .625 S 1.00 .369AS4568J .625 E 1.25 .369AS4568K .7
14、50 R 1.00 .369AS4568K .750 S 1.25 .459AS4568K .750 E 1.50 .459AS4568M 1.000 R 1.25 .459AS4568M 1.000 S 1.50 .684AS4568M 1.000 E 1.81 .684AS4568N 1.250 R 1.50 .684AS4568N 1.250 S 1.81 .864AS4568N 1.250 - TBD TBDAS4568P 1.500 - TBD TBDAS4568P 1.500 S TBD TBDAS4568P 1.500 -Copyright SAE International P
15、rovided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-(R) HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, FLARELESS, STRAIGHT TO STRAIGHTAEROSPACE STANDARDAS4568SHEET 4 OF 6AS4568REV.BREV. B
16、TABLE 2 - HOSE OR 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- (-) INDICATES BRAIDED HOSEONLY PER AS1975275 MAXMIN.465.405.555.495.710.650.920.
17、8501.075.9951.3651.2851.6601.580TBDTBDA FIRESLEEVE (AS1072 SIL FG)(5 min) /11/ /12/275 MAXMIN.840.658.970.7881.150.9681.3801.1981.5901.3181.7501.5681.9501.768TBDTBDB FIRESLEEVE INTEGRAL SILICONE(5 min) /13/275 MAXMINTBD TBD TBD TBD TBD TBD TBD TBDC PROTECTIVE SLEEVESHRINK-ON (POLYOLEFIN AS1073CODE B
18、) /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 WEIGHTSHOSEORSLEEVECODEHOSE OR TYP
19、ESLEEVE 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 AS1055) /16/LB/INC
20、 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)-.048.068.077.081.115.118.135.193.210.248.29
21、6.382.431.546.730.760.890TBDTBD-TBD /9/-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-(R) HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, FLARELESS, STRA
22、IGHT TO STRAIGHTAEROSPACE STANDARDAS4568SHEET 5 OF 6AS4568REV.BREV. BNOTES: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 PROC
23、URE 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 3000 FOR THIS STANDARD. CHANGE-OVER FROM USER-QPL TO PRI-QPL SHALL BE IN ACCORDANCE WITH AS1975 REVISION C OR HIGHER
24、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.4. OPERATING CHARACTERISTICS PER AS1975.5. MARKING: MARKING SHALL BE PER AS1975 ON A STAINLESS STEEL BAND NOT OVER 1.0
25、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 PERM
26、ANENTLY 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 FOURTH DIG
27、IT, THE FRACTION OF AN INCH IN EIGHTHS. LENGTH “L” IS MEASURED FROM “GAGE DIAMETER” TO “GAGE DIAMETER”. FOR LENGTH INCREMENTS AND TOLERANCES SEE TABLE 3. TO CONVERT “GAGE DIAMETER” TO “GAGE DIAMETER” TO “END TO END” MEASUREMENT, ADD TWO TIMES “D” TO LENGTH “L”./7/ A TRUE CIRCULAR CROSS SECTION IS NO
28、T 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/ FITTING END IN SIZE CODES E THROUGH M MUST CONFORM TO NAS1760 TO MATE WITH AS33
29、514 OR AS4375. FITTING END 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
30、 AS1975./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 THE SLEEVE IS COMPRESSED, OR CLAMPED, TO CONTACT THE HOSE
31、. 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 SECURED TO THE HOSE ASSEMBLY END FITTINGS WITH CORROSIO
32、N RESISTANT STEEL BANDS. 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
33、 “AS150 TYPE XIII” TO IDENTIFICATION 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
34、: WHEN FITTING SIZE CHANGES EXIST, SPECIFY SMALLER FITTING PRIOR TO THE LARGER FITTING IN THE PART NUMBER./16/ WHEN FIRESLEEVES ARE REQUIRED, WEIGHT LIMITS SHALL BE DEFINED BY THE PROCURING ACTIVITY.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or ne
35、tworking permitted without license from IHS-,-(R) HOSE ASSEMBLY, PTFE, PARA-ARAMID REINFORCED,STANDARD DUTY, 3000 PSI, 275 F, TITANIUMFITTINGS, FLARELESS, STRAIGHT TO STRAIGHTAEROSPACE STANDARDAS4568SHEET 6 OF 6AS4568REV.BREV. B/17/ TITANIUM PARTS MAY BE REPLACED WITH STAINLESS STEEL IF MAXIMUM WEIG
36、HT 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:a. U = TWO HOLES 180 APARTb. W = THREE HOLES 120 APART20. THIS PART STANDARD TAK
37、ES PRECEDENCE IN CASES OF CONFLICT.21. EXAMPLE OF PART NUMBER:22. ALL ASSEMBLIES PROCURED TO THIS STANDARD PRIOR TO REVISION B 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 AS4580 FOR PROCUREME
38、NT OF CLASS 4000 HOSE ASSEMBLIES.23. 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-,-
