SAE MA 4569-1994 Hose Assembly PTFE Aramid Reinforced Standard Duty 21 000 28 000 kPa 135 Degrees C Titanium Fittings Flareless Including Jump Sizes Straight to 45 Degrees Metric《F.pdf

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1、 AEROSPACE STANDARD HOSE ASSEMBLY, PTFE, ARAMID REINFORCED, STANDARD DUTY,21 000/28 000 KPA, 135 C, TITANIUM FITTINGS, FLARELESS, INCLUDING JUMP SIZES, STRAIGHT TO 45, METRIC MA4569Copyright 2015 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrie

2、val system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside USA) Fax: 724-776-0790 Email: Custome

3、rServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1994-05REAFFIRMED2015-04THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3D FEDERAL SUPPLY CLASS 4720MA4569 SHEET 1 OF 6 PROCUREMENT SPECIFICATION: /2/ MA1975SAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance t

4、hestate of technicalandengineering 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

5、 time itmay berevised,reaffirmed, stabilized, orcancelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/MA4569 RATIONALE MA4569 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YE

6、AR REVIEW POLICY. FIGURE 1 - FLARELESS HOSE ASSEMBLY STRAIGHT TO 45 ELBOWAEROSPACE STANDARD MA4569 SHEET 2 OF 6 HOSE ASSEMBLY, PTFE, ARAMID REINFORCED, STANDARD DUTY, 21 000/28 000 KPA, 135 C, TITANIUM FITTINGS, FLARELESS, INCLUDING JUMP SIZES, STRAIGHT TO 45, METRIC TABLE 1 - ASSEMBLY DIMENSIONS IN

7、 MMAEROSPACE STANDARD MA4569 SHEET 3 OF 6 HOSE ASSEMBLY, PTFE, ARAMID REINFORCED, STANDARD DUTY, 21 000/28 000 KPA, 135 C, TITANIUM FITTINGS, FLARELESS, INCLUDING JUMP SIZES, STRAIGHT TO 45, METRIC TABLE 2 - HOSE OR SLEEVE OUTSIDE DIAMETER /10/TABLE 3 - ASSEMBLY PROCUREMENT LENGTH AND TOLERANCESAERO

8、SPACE STANDARD MA4569 SHEET 4 OF 6 HOSE ASSEMBLY, PTFE, ARAMID REINFORCED, STANDARD DUTY, 21 000/28 000 KPA, 135 C, TITANIUM FITTINGS, FLARELESS, INCLUDING JUMP SIZES, STRAIGHT TO 45, METRIC TABLE 4 - MAXIMUM HOSE AND FITTING WEIGHTSAEROSPACE STANDARD MA4569 SHEET 5 OF 6 HOSE ASSEMBLY, PTFE, ARAMID

9、REINFORCED, STANDARD DUTY, 21 000/28 000 KPA, 135 C, TITANIUM FITTINGS, FLARELESS, INCLUDING JUMP SIZES, STRAIGHT TO 45, METRIC NOTES:1. MATERIALS:a. HOSE AND FITTINGS: PER MA1975b. SLEEVES: SEE APPLICABLE STANDARDS, TABLE 2/2/ THIS HOSE ASSEMBLY SHALL BE QUALIFIED IN ACCORDANCE WITH PROCUREMENT SPE

10、CIFICATION MA1975. USERS OF THIS STANDARD ARE ADVISED TO CONTROL SOURCE APPROVAL(S) BY STANDARD PAGE SUPPLEMENT SHEET OR SIMILAR MEANS.3. CONSTRUCTION AND PERFORMANCE: PER MA1975. FITTINGS SHALL BE PERMANENTLY ATTACHED TO THE HOSE.4. OPERATING CHARACTERISTICS: PER MA1975.5. MARKING: MARKING SHALL BE

11、 PER MA1975 ON A STAINLESS STEEL BAND NOT OVER 25.4 mm WIDE OR ON THE COLLAR. THE CHARACTERS SHALL BE A MINIMUM OF 1.6 mm 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 HA

12、ND. HOSE ASSEMBLY DATE AND “PT” SYMBOL SHALL BE ELECTROETCHED 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/ HOSE LENGTH: LENGTH “L” IS A FOUR DIGIT NUMBER DESCRIBING THE HOSE ASSEMBLY LENGTH IN MI

13、LLIMETERS. 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 D1AND D2TO LENGTH “L”. /7/ A TRUE CIRCULAR CROSS SECTION IS NOT REQUIRED THROUGH THE FITTING ID.

14、 HOWEVER, THE APPLICABLE 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/ FITTINGS SHALL MATE WITH MA2095 (ISO 7321/2) AND MA2096 (ISO 7321/2). STANDARD COUPLING NUTS SHALL BE IN ACCORDANCE WITH

15、OR EQUIVALENT TO MA2047 (ISO 7321). NUTS SHALL MEET TORQUE REQUIREMENTS PER MA1975./10/ CLAMP DIAMETERS: DIAMETERS ARE LISTED FOR CLAMP SELECTION. TUBULAR SLEEVES MAY NOT BE A PERFECT ROUND AND SHALL BE MEASURED WITH A METRIC DIAMETER TAPE RULE (OFTEN REFERRED TO AS A PI-TAPE)./11/ SLEEVE DIAMETERS:

16、 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 SILICONE RUBBER PRIOR T

17、O 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./13/ FIRESLEEVE ENDS:

18、 THE ENDS OF THE INTEGRAL FIRESLEEVE SHALL BE COVERED WITH SILICONE EXTENDING OVER THE END FITTING COLLAR./14/ IDENTIFICATION MARKING: ADD “AS1055 TYPE IIb CLASS II” TO IDENTIFICATION MARKING TO SHOW LEVEL OF COMPLIANCE, “FIRE RESISTANT 135 C (5 min), WITH AS1055”./15/ JUMP SIZE CODE EXPLANATION:a.

19、R - STEP DOWN 1 STANDARD LETTER SIZE PER TABLE 1 (REDUCER)b. S - HOSE SIZE (NO REDUCTION OR EXPANSION)c. E - STEP UP 1 STANDARD LETTER SIZE PER TABLE 1 (EXPANDER)NOTE: WHEN FITTING SIZE CHANGES EXIST, SPECIFY SMALLER FITTING PRIOR TO THE LARGER FITTING IN THE PART NUMBER./16/ WHEN FIRESLEEVES ARE RE

20、QUIRED, WEIGHT LIMITS SHALL BE DEFINED BY THE PROCURING ACTIVITY./17/ TITANIUM PARTS MAY BE REPLACED WITH STAINLESS STEEL IF MAXIMUM WEIGHT FOR FITTING IS NOT EXCEEDED.AEROSPACE STANDARD MA4569 SHEET 6 OF 6 HOSE ASSEMBLY, PTFE, ARAMID REINFORCED, STANDARD DUTY, 21 000/28 000 KPA, 135 C, TITANIUM FIT

21、TINGS, FLARELESS, INCLUDING JUMP SIZES, STRAIGHT TO 45, METRIC NOTES (Continued):18. DIMENSIONING AND TOLERANCING: ANSI Y14.5M19. LOCKWIRE HOLES LOCATION AND DIAMETER PER MA2126 CODED AS FOLLOWS: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:

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