1、 AEROSPACE STANDARD HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STRAIGHT TO 45 AS4625Copyright 2015 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retr
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3、merServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED1992-06REVISED2009-07REAFFIRMED 2015-04THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3D REV.D FEDERAL SUPPLY CLASS 4720AS4625 SHEET 1 OF 6 REV. D PROCUREMENT SPECIFICATION: /2/ AS4623SAE Technical Standards Board Rules provide that: “This report i
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5、least every five years at whichtime it mayberevised, reaffirmed, stabilized, or cancelled. SAE invites your writtencomments and suggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4625D RATIONALE AS4625D HAS BEEN REAFF
6、IRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. FIGURE 1 - FLARELESS HOSE ASSEMBLY STRAIGHT TO 45 ELBOWAEROSPACE STANDARD AS4625 SHEET 2 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STR
7、AIGHT TO 45 TABLE 1 HOSE AND FITTING DIMENSIONSBASIC HOSEASSEMBLYNO. 4625 SIZECODE SIZE/14/ FITTING TYPETHREADT PER AS8879A 1MAX A 2MAX B GAGEBASIC (C) HEX D 1D 2E MAX E MINF /8/MAXBALLSIZEMINTHRU/7/ IN E 0.250- - - - - - - - - - - - E 0.250S 0.4375-20UNJF-3B1.6302.1600.2930 0.56 0.16 0.11 0.4750.35
8、00.69 0.102E 0.250E 0.5625-18UNJF-3B1.6952.2400.4120 0.69 0.16 0.12 0.5000.3750.69 0.102G 0.375R 0.4375-20UNJF-3B1.7402.6200.2930 0.56 0.16 0.11 0.4750.3500.80 0.102G 0.375S 0.5625-18UNJF-3B1.8352.4600.4120 0.69 0.16 0.12 0.5000.3750.80 0.174G 0.375E 0.7500-16UNJF-3B1.9302.7700.5600 0.88 0.19 0.13 0
9、.5600.4350.80 0.174H 0.500R 0.5625-18UNJF-3B2.1452.6950.4120 0.69 0.16 0.12 0.5000.3750.97 0.174H 0.500S 0.7500-16UNJF-3B2.1652.7400.5600 0.88 0.19 0.13 0.5600.4350.97 0.267H 0.500E 0.8750-14UNJF-3B2.6753.0500.6730 1.00 0.20 0.14 0.6700.5450.97 0.267J 0.625R 0.7500-16UNJF-3B2.8603.6850.5600 0.88 0.1
10、9 0.13 0.5600.4351.15 0.267J 0.625S 0.8750-14UNJF-3B2.9053.7850.6730 1.00 0.20 0.14 0.6700.5451.15 0.323J 0.625E 1.0625-14UNJ-3B2.9203.8750.8100 1.25 0.23 0.16 0.7050.5801.15 0.323K 0.750R 0.8750-14UNJF-3B2.2404.7600.6730 1.00 0.20 0.14 0.6700.5451.38 0.323K 0.750S 1.0625-12UNJ-3B3.2054.8100.8100 1.
11、25 0.23 0.16 0.7050.5801.38 0.433K 0.750E 1.3125-12UNJ-3B3.3205.1401.0620 1.50 0.30 0.21 0.8400.7151.38 0.433M 1.000R 1.0625-12UNJ-3B3.6905.3500.8100 1.25 0.23 0.16 0.7050.5801.66 0.433M 1.000S 1.3125-12UNJ-3B3.7405.5401.0620 1.50 0.30 0.21 0.8400.7151.66 0.646M 1.000E 1.5625-12UNJ-3B3.5705.7601.316
12、0 1.81 0.04 0.03 0.8750.7501.66 0.646N 1.250- - - - - - - - - - - - N 1.250S 1.5625-12UNJ-3B4.3306.7701.3160 1.81 0.04 0.03 0.8750.7502.32 0.786N 1.250- - - - - - - - - - - - AEROSPACE STANDARD AS4625 SHEET 3 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275
13、 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STRAIGHT TO 45 TABLE 2 HOSE ORSLEEVE OUTSIDE DIAMETERS /10/ SLEEVECODESLEEVEMATERIAL TEMPLIMIT F HOSESIZE0.250HOSESIZE0.375HOSESIZE0.500HOSESIZE0.625HOSESIZE0.750HOSESIZE1.000HOSESIZE1.250- (-)INDICATES HOSEONLY NOSLEEVE (SEEAS4623) 275
14、- - - - - - - A FIRESLEEVE (AS1072 SIL-FG) (5 MIN)/11/ /12/ /13/ 275 0.930/0.730 1.070/0.880 1.205/1.015 1.370/1.130 1.590/1.380 1.847/1.677 2.130/1.950 B ABRASIONSLEEVE SHRINK-ON (POLYOLEFINAS1073-CODE B)/20/ 275 0.596/0.524 0.760/0.680 0.905/0.825 1.030/0.940 1.302/1.198 1.599/1.495 1.884/1.776 K
15、INTEGRALABRASION SLEEVE275 0.555/0.635 0.675/0.755 0.840/0.920 0.935/1.025 1.205/1.305 1.502/1.602 1.775/1.875 (BRAIDED) POLYESTER/21/ TABLE 3 HOSE ASSEMBLYLENGTHTOLERANCESTABLE 4 CUFF LENGTHSHOSEASSEMBLY LENGTHTOLERANCE HOSESIZELENGTH(INCHES) 0.25UNDER 18IN 0.125 IN 0.2502.25 18TO36INEXCLUSIVE 0.25
16、0 IN 0.3752.75 36TO50INEXCLUSIVE 0.500 IN 0.5003.50 50INANDOVER 1% 0.6254.25 0.7505.75 1.0006.00 1.2506.75 AEROSPACE STANDARD AS4625 SHEET 4 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STRAI
17、GHT TO 45 TABLE 5 MAXIMUMHOSE AND FITTING WEIGHTSHOSTOR SLEEVECODEHOSE, PART OR SLEEVEUNITSREFERENCE WEIGHT LB/INHOSESIZE0.250REFERENCE WEIGHT LB/INHOSESIZE0.375REFERENCE WEIGHT LB/INHOSESIZE0.500REFERENCE WEIGHT LB/INHOSESIZE0.625REFERENCE WEIGHT LB/INHOSESIZE0.750REFERENCE WEIGHT LB/INHOSESIZE1.00
18、0REFERENCE WEIGHT LB/INHOSESIZE1.250- HOSEONLY (SEEAS4623) LB/IN- - - - - - - A FIRESLEEVE (AS1072 SIL-FG) (5 MIN)/15/ LB/IN- - - - - - - B ABRASIONSLEEVE (AS1073 -CODE B)/20/LB/IN0.0006 0.0012 0.0018 0.0018 0.0032 0.0032 0.0049 NONEFIRESLEEVE CLAMP LB/EA0.0200.0200.0210.0210.0250.0250.032NONEFITTII
19、NGEND(STRAIGHT)/14/ /16/ R LB/EA- 0.0770.1180.1860.4270.823- NONES LB/EA0.0540.0810.1350.2000.4760.853TBD /9/NONEE LB/EA0.0740.1150.1930.2670.5911.000- NONEFITTING END (45 ) /14/ /16/ R LB/EA- 0.0990.1320.2420.4540.839- NONES LB/EA0.0660.1100.1540.2750.5350.944TBD /9/NONEE LB/EA0.0880.1430.2090.3850
20、.6901.029- K ABRASIONSLEEVE LB/IN0.0130.0170.0230.0260.0350.0580.078POLYESTER WITHHOSE /21/ FIGURE 2 POLYESTERABREASIONSLEEVE CUFF/21/AEROSPACE STANDARD AS4625 SHEET 5 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS,
21、 INCLUDING JUMP SIZE, STRAIGHT TO 45 NOTES: 1. MATERIALS: a. HOSE AND FITTINGS - PER AS4623. b. THE COLLARS MAY BE STAINLESS STEEL /16/. c. SLEEVES - SEE APPLICABLE STANDARDS, TABLE 2. /2/ PROCUREMENT SPECIFICATION: AS4623 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION
22、SHALL BE MANUFACTURED AND ASSEMBLED BY AN ACCREDITED MANUFACTURER OR ASSEMBLED BY AN ACCREDITED DISTRIBUTOR LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST (QPL) PRI-QPL-4623 FOR THIS STANDARD. SEE FOR CURRENT QPL ON-LINE. 3. CONSTRUCTION AND PERFORMANCE PER AS4623. FITTING
23、S 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 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 T
24、O 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 ON THE BAND OR ON AN END FITTING OR A FIRESLEEVE CLAMP. MARKING BAND SHALL BE COVERED WITH TRANSPARENT POLYOLEFIN SHRINK SL
25、EEVE PER AS1073 CODE A. /6/ HOSE LENGTH: LENGTH “L” IS A FOUR DIGIT NUMBER OF WHICH THE FIRST THREE DIGITS DESCRIBE THE HOSE ASSEMBLY LENGTH IN WHOLE INCHES, AND THE FOURTH DIGIT, THE FRACTION OF AN INCH IN EIGHTHS. LENGTH “L” IS MEASURED FROM “GAGE DIAMETER” TO “GAGE DIAMETER”. FOR LENGTH TOLERANCE
26、S, SEE TABLE 3. TO CONVERT “GAGE DIAMETER” TO “GAGE DIAMETER” TO “END TO END” MEASUREMENT, ADD D1 AND D2 TO LENGTH “L”. /7/ HOSE ASSEMBLY INSIDE DIAMETER SHALL BE VERIFIED BY PASSING THE DESIGNATED, OR LARGER, SPHERICAL BALL PER TABLE 1 THROUGH THE HOSE ASSEMBLY. /8/ DISTANCE ACROSS CORNERS OF COUPL
27、ING 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 AS33514 OR AS4375, FOR SIZES THRU -16 AND WITH AS4658 OR AS4659 IN SIZES -20 AND LARGER. -20 AND LARGER NUTS SHALL CONF
28、ORM 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 SLEEVES MAY NOT BE A PERFECT ROUND AND SHALL BE MEASURED WITH A DIAMETER TAPE RULE (OFTEN REFERRED TO AS A PI-TAPE).
29、/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 APPROXIMATELY 10% OF THE SLEEVE CIRCUMFERENCE. /12/ FIRESLEEVE: THE CUT ENDS OF THE FIRESLEEVE SHALL BE COATED WITH RTV S
30、ILICONE 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 RUBBER
31、. /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 AS4625 SHEET 6 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 P
32、SI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STRAIGHT TO 45 /14/ JUMP SIZE CODE EXPLANATION: a. R-STEP DOWN 1 STANDARD LETTER SIZE PER TABLE 1 (REDUCED) b. S-HOSE SIZE (NO REDUCTION OR EXPANSION) c. E-STEP UP 1 STANDARD LETTER SIZE PER TABLE 1 (EXPANDED) NOTE: SPECIFY STRAIGHT FITTING SIZE F
33、OLLOWED BY THE ELBOW FITTING SIZE IN THE PART NUMBER. /15/ WHEN FIRESLEEVES ARE REQUIRED, WEIGHT LIMITS SHALL BE DEFINED BY THE PROCURING AUTHORITY. /16/ TITANIUM PARTS MAY BE REPLACED WITH STAINLESS STEEL IF MAXIMUM WEIGHT FOR FITTING IS NOT EXCEEDED. 17. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1
34、994. 18. 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 19. THIS PART STANDARD TAKES PRECEDENCE IN CASES OF CONFLICT. /20/ THE SHRINK-ON POLYOLEFIN SLEEVE WILL COVER THE ENTIRE HOSE AND A MINIMUM OF 50% OF
35、THE COLLARS ON BOTH ENDS OF THE ASSEMBLY. 21. THE INTEGRAL POLYESTER ABRASION 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 MATE
36、RIAL SHALL BE A SILICONE MATERIAL THAT IS COMPATIBLE WITH AIRCRAFT FLUIDS. 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.
