1、 AEROSPACE STANDARD HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, 45 TO 90 AS4628Copyright 2015 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval
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3、vicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1992-06REVISED 2009-07 REAFFIRMED 2015-04THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3D REV.D FEDERAL SUPPLY CLASS 4720AS4628 SHEET 1 OF 5 REV. D PROCUREMENT SPECIFICATION: /2/ AS4623SAE Technical Standards Board Rules provide that: “This report ispu
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6、 COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. FIGURE 1 - HOSE ASSEMBLY, 45 ELBOW TO 90 ELBOW FIGURE 2 - FITTING ORIENTATION /19/ AEROSPACE STANDARD AS4628 SHEET 2 OF 5 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCL
7、UDING JUMP SIZE, 45 TO 90 TABLE 1 HOSEAND FITTING DIMENSIONS BASIC HOSE ASSEMBLY NO. 4628 SIZE CODESIZE /14/ FITTING TYPE THREAD T PER AS8879A1 MAX A2 MAX BGAGEBASIC (C) HEX D1D2E1MAX E1MIN E2MAX E2MIN F MAX BALL SIZE MIN THRU/7/ IN E 0.250S 0.4375-20UNJF-3B 2.1601.1800.29300.56 0.11 0.16 0.4750.350
8、0.7700.6450.69 0.102G 0.375S 0.5625-18UNJF-3B 2.4602.1800.41200.69 0.12 0.16 0.5000.3750.8400.7150.80 0.174H 0.500S 0.7500-16UNJF-3B 2.7402.5380.56000.88 0.13 0.19 0.5600.4350.9400.8450.97 0.267J 0.625S 0.8750-14UNJF-3B 3.7853.3750.67301.00 0.14 0.20 0.6700.5451.2101.0851.15 0.323K 0.750S 1.0625-12U
9、NJ-3B4.8103.9400.81001.25 0.16 0.23 0.7050.5801.4001.2751.38 0.433M 1.000S 1.3125-12UNJ-3B5.5404.5101.06201.50 0.21 0.30 0.8400.7151.6251.5001.66 0.646N 1.250S 1.5625-12UNJ-3B6.7705.3101.31601.81 0.03 0.04 0.8750.7501.8251.7002.32 0.786TABLE 2 HOSEORSLEEVE OUTSIDE DIAMETERS /10/SLEEVE CODESLEEVE MAT
10、ERIAL TEMP LIMITF HOSE SIZE 0.250HOSE SIZE 0.375HOSE SIZE 0.500HOSE SIZE 0.625HOSE SIZE 0.750HOSE SIZE 1.000HOSE SIZE 1.250- (-) INDICATES HOSE ONLY NO SLEEVE (SEEAS4623) 275 - - - - - - - A FIRESLEEVE (AS1072 SIL-FG) (5 MIN) /11/ /12/ /13/ 275 0.930/0.7301.070/0.8801.205/1.0151.370/1.1301.590/1.380
11、1.847/1.6772.130/1.950B ABRASIONSLEEVE SHRINK-ON (POLYOLEFIN AS1073-CODE B) /20/ 275 0.620/0.5400.770/0.6900.917/0.8331.042/0.9481.314/1.2061.623/1.5111.896/1.784K INTEGRAL ABRASION SLEEVE275 0.555/0.6350.675/0.7550.840/0.9200.935/1.0251.205/1.3051.502/1.6021.775/1.875(BRAIDED) POLYESTER /21/AEROSPA
12、CE STANDARD AS4628 SHEET 3 OF 5 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, 45 TO 90 TABLE 3 HOSE ASSEMBLY LENGTH TOLERANCES TABLE 4 CUFF LENGTHSHOSE ASSEMBLY LENGTHTOLERANCEHOSE SIZELENGTH (INCH
13、ES) 0.25UNDER 18 IN 0.125 IN0.2502.25 18 TO36 IN EXCLUSIVE 0.250 IN0.3752.75 36 TO50 IN EXCLUSIVE 0.500 IN0.5003.50 50 IN AND OVER1%0.6254.25 0.7505.75 1.0006.00 1.2506.75 TABLE 5 MAXIMUM HOSE AND FITTINGWEIGHTSHOST OR SLEEVE CODEHOSE, PART OR SLEEVE UNITSHOSE SIZE 0.250HOSE SIZE 0.375HOSE SIZE 0.50
14、0HOSE SIZE 0.625HOSE SIZE 0.750HOSE SIZE 1.000HOSE SIZE 1.250- HOSE ONLY (SEE AS4623) LB/IN - - - - - - A FIRESLEEVE (AS1072 SIL-FG) (5 MIN) /14/LB/IN -B ABRASION SLEEVE (AS1073 - CODE B)/20/LB/IN 0.00180.00180.00320.00320.00490.00820.0082NONEFIRESLEEVE CLAMP LB/EA 0.0200.0200.0210.0210.0250.0250.03
15、2NONEFITTING END (45) /15/LB/EA 0/0660.1100.1540.2750.5350.944TBD /9/NONEFITTING END (90 ) /15/LB/EA 0.0770.1210.1760.2970.5600.947TBD /9/K ABRASIONSLEEVE LB/IN 0.0130.0170.0230.0260.0350.0580.078POLYESTER WITH HOSE /21/FIGURE 3 POLYESTER ABREASIONSLEEVE CUFF /21/AEROSPACE STANDARD AS4628 SHEET 4 OF
16、 5 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, 45 TO 90 NOTES: 1. MATERIALS: a. HOSE AND FITTINGS - PER AS4623. b. THE COLLARS MAY BE STAINLESS STEEL /15/. c. SLEEVES - SEE APPLICABLE STANDARDS,
17、TABLE 2. /2/ PROCUREMENT SPECIFICATION: AS4623 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED AND ASSEMBLED BY AN ACCREDITED MANUFACTURER OR ASSEMBLED BY AN ACCREDITED DISTRIBUTOR LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS
18、LIST (QPL) PRI-QPL-4623 FOR THIS STANDARD. SEE FOR CURRENT QPL ON-LINE. 3. CONSTRUCTION AND PERFORMANCE PER AS4623. FITTINGS SHALL BE PERMANENTLY ATTACHED TO HOSE. 4. OPERATING CHARACTERISTICS PER AS4623. /5/ MARKING: MARKING SHALL BE PER AS4623 ON A STAINLESS STEEL BAND NOT OVER 1.0 in WIDE OR ON
19、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 PERMANENTLY MARKED
20、 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. /16/ HOSE LENGTH: LENGTH “L” IS A THREE DIGIT NUMBER OF WHICH THE FIRST TWO DIGITS DESCRIBE THE HOSE ASSEMBLY LENGTH IN WHOLE INCHES, AND THE THIRD DIGI
21、T, 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 D1TO LENGTH “L”. /7/ HOSE ASSEMBLY INSIDE DIAMETER SHALL BE VERIFIED BY PASSING TH
22、E DESIGNATED, OR LARGER, SPHERICAL BALL PER TABLE 1 THROUGH THE HOSE ASSEMBLY. /8/ DISTANCE ACROSS CORNERS OF COUPLING NUT MAY EXCEED THIS DIMENSION. /9/ FITTING ENDS SIZE -4 THRU -16 MUST COMPLY WITH NAS1760; FITTINGS FOR HOSE SIZE -20 AND LARGER TO COMPLY WITH AS4703. FITTINGS SHALL MATE WITH AS33
23、514 OR AS4375, FOR SIZES THRU -16 AND WITH AS4658 OR AS4659 IN SIZES -20 AND LARGER. -20 AND LARGER NUTS SHALL CONFORM TO AS4660 OR AS4702. STANDARD COUPLING NUTS SHALL BE IN ACCORDANCE WITH OR EQUIVALENT TO AS1790 OR AS1792. /10/ CLAMP DIAMETERS: DIAMETERS ARE LISTED FOR CLAMP SELECTION. TUBULAR SL
24、EEVES MAY NOT BE A PERFECT ROUND AND SHALL BE MEASURED WITH A DIAMETER TAPE RULE (OFTEN REFERRED TO AS A PI-TAPE). /11/ SLEEVE DIAMETERS: 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 APPROX
25、IMATELY 10% OF THE SLEEVE CIRCUMFERENCE. /12/ FIRESLEEVE: 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. AFTER INS
26、TALLATION, CRACKS OR VOIDS IN THE FIRESLEEVE, WHICH EXPOSE THE FIBERGLASS, SHALL BE COATED WITH RTV SILICONE RUBBER. /13/ IDENTIFICATION MARKING: ADD “AS1055 TYPE IIb CLASS A-S/P” TO IDENTIFICATION MARKING TO SHOW LEVEL OF COMPLIANCE, “FIRE RESISTANT 275 F (5 min), WITH AS1055.” AEROSPACE STANDARD A
27、S4628 SHEET 5 OF 5 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, 45 TO 90 /14/ WHEN FIRESLEEVES ARE REQUIRED, WEIGHT LIMITS SHALL BE DEFINED BY THE PROCURING AUTHORITY. /15/ TITANIUM PARTS MAY BE R
28、EPLACED WITH STAINLESS STEEL IF MAXIMUM WEIGHT FOR FITTING IS NOT EXCEEDED. 16. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 17. SAFETY WIRE HOLES LOCATION AND DIAMETER PER AS1043 CODED AS FOLLOWS: a. U = TWO HOLES 180 DEGREES APART b. W = THREE HOLES 120 DEGREES APART 18. THIS PART STANDARD TAKE
29、S PRECEDENCE IN CASES OF CONFLICT. /19/ THE FITTING ORIENTATION DASH NUMBER IS A THREE DIGIT NUMBER DEFINING THE RELATIVE POSITION OF THE END FITTINGS IN 1DEGREE INCREMENTS (EXAMPLE: 090 = 90 DEGREES). FITTING ORIENTATION SHALL BE MEASURED COUNTERCLOCKWISE FROM THE NEAREST END FITTING WHICH SHALL BE
30、 IN THE RELATIVE 000 DEGREE POSITION (SEE FIGURE 2). WHEN END FITTINGS ARE POINTED IN THE SAME DIRECTION, THIS DASH NUMBER SHALL BE 000. /20/ THE SHRINK-ON POLYOLEFIN SLEEVE WILL COVER THE ENTIRE HOSE AND A MINIMUM OF 50% OF THE COLLARS ON BOTH ENDS OF THE ASSEMBLY. 21. THE INTEGRAL POLYESTER ABRASI
31、ON SLEEVE, CODE K, SHALL HAVE THE SUPPORT CUFF IN ACCORDANCE WITH FIGURE 2. THE CUFF MAY BE CONTOURED AND HAVE A MINIMUM THICKNESS OF 0.10 INCHES. THE CUFF SHALL BE ADHERED TO THE FITTING COLLAR/SOCKET AND HOSE. THE CUFF MATERIAL SHALL BE A SILICONE MATERIAL THAT IS COMPATIBLE WITH AIRCRAFT FLUIDS.
32、22. 23. A 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, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS, NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY.
