1、 AEROSPACE STANDARD TUBING, PLASTIC, EXTRA FLEXIBLE, CONVOLUTEDHELICAL, POLYTETRAFLUOROETHYLENE (PTFE) CLOSE CONVOLUTIONS AS81914/2Copyright 2014 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any m
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3、 ISSUED 2011-01REVISED 2014-01THIRD ANGLE PROJECTION CUSTODIAN: AE-8/AE-8C1 REV.B FEDERAL SUPPLY CLASS 9330 AS81914/2 SHEET 1 OF 3 REV. B PROCUREMENT SPECIFICATION: AS81914SAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineering
4、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, s
5、tabilized, orcancelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS81914/2B RATIONALE TO PROVIDE SUPERSESSION DETAILS AS PART OF THE PART NUMBER INFORMATION FOR CLARIFICATION
6、 OF THE PRODUCT APPLICATIONS AS A RESULT OF THE TRANSFER FROM THE AMST DOCUMENTS TO THE AS DOCUMENTS. NOTICE THE COMPLETE REQUIREMENTS FOR PROCURING THE PRODUCT DESCRIBED HEREIN SHALL CONSIST OF THIS DOCUMENT AND THE LATEST ISSUE OF AS81914. FIGURE 1 - DIMENSIONS AND CONFIGURATION AEROSPACE STANDARD
7、 AS81914/2 SHEET 2 OF 3 REV. B TUBING, PLASTIC, EXTRA FLEXIBLE, CONVOLUTED HELICAL, POLYTETRAFLUOROETHYLENE (PTFE) CLOSE CONVOLUTIONS TABLE 1 - FIGURE 1 DIMENSIONS DASH NUMBER MAX INSIDE DIA. (I.D.) MIN INSIDE DIA. (I.D.) MAX OUTER DIA. (O.D.) MAX WALL THICKNESS CONVOLUTIONS PER INCH (CPI) 1 APPROX.
8、 WEIGHT LB (KG) PER 100 FEET (30.5 M) REF. MIN BEND RADIUS 01 .188 (4.78) .181 (4.60) .320 (8.13) .023 (0.58) 10 2.2 (1.00) .313 (7.95) 02 .281 (7.14) .273 (6.93) .414 (10.52) .026 (0.66) 9 3.8 (1.72) .438 (11.13) 03 .312 (7.92) .306 (7.77) .450 (11.43) .027 (0.69) 9 4.8 (2.18) .438 (11.13) 04 .375
9、(9.53) .364 (9.25) .530 (13.46) .029 (0.74) 9 5.6 (2.54) .500 (12.70) 05 .437 (11.10) .427 (10.84) .590 (14.99) .029 (0.74) 9 6.5 (2.95) .500 (12.70) 06 .500 (12.70) .485 (12.32) .660 (16.76) .029 (0.74) 9 6.9 (3.13) .750 (19.05) 07 .625 (15.88) .608 (15.44) .780 (19.81) .035 (0.89) 9 9.2 (4.17) .75
10、0 (19.05) 08 .750 (19.05) .730 (18.54) .975 (24.77) .035 (0.89) 8 13.8 (6.26) .938 (23.82) 09 .875 (22.23) .860 (21.84) 1.100 (27.94) .035 (0.89) 8 15.0 (6.80) .938 (23.82) 10 1.000 (25.40) .975 (24.77) 1.260 (32.00) .035 (0.89) 7 16.8 (7.62) 1.125 (28.58) 11 1.125 (28.58) 1.105 (28.07) 1.390 (35.31
11、) .035 (0.89) 6 17.5 (7.94) 1.125 (28.58) 12 1.250 (31.75) 1.210 (30.73) 1.539 (39.09) .035 (0.89) 6 19.6 (8.89) 1.250 (31.75) 13 1.500 (38.10) 1.450 (36.83) 1.810 (46.97) .038 (0.97) 6 26.0 (11.79) 2.000 (50.80) NOTES: 1. DIMENSIONS ARE IN INCHES. 2. UNLESS OTHERWISE SPECIFIED TOLERANCES SHALL BE:
12、.XX = .010 (0.25 MM), .XXX = .005 (0.13 MM). 3. METRIC EQUIVALENTS ARE GIVEN FOR GENERAL INFORMATION ONLY AND ARE BASED ON 25.4 MM = 1 INCH. 4. METRIC DIMENSIONS IN PARENTHESES ARE SHOWN IN MILLIMETERS. REQUIREMENTS: 1. DIMENSIONS AND CONFIGURATION; SEE FIGURE 1 AND TABLE 1. 2. CONVOLUTION TYPE: HEL
13、ICAL. 3. LENGTHS SHALL BE SPECIFIED IN FEET BY THE PROCURING ACTIVITY AND DOES NOT FORM A PART OF THE IDENTIFYING PART NUMBER. MINIMUM ORDER LENGTH SHALL BE 3 FEET (0.914 M) AND THE TUBING ORDER LENGTH TOLERANCES SHALL BE AS SPECIFIED IN TABLE 2. TUBING SHALL BE PROCURED AS COILS. TABLE 2 - ORDER LE
14、NGTH TOLERANCE ORDER LENGTH RANGE LENGTH IN FEET (METERS) TOLERANCE IN INCHES (MILLIMETERS) 3 - 12 (0.914 - 3.66) +2.0/-0.0 (+50.8/-0.0) 13 - 50 (3.96 - 15.24) +4.0/-0.0 (+101.6/-0.0) 51 AND UP (15.55 M AND UP) +6.0/-0.0 (+152.4/-0.0) AEROSPACE STANDARD AS81914/2 SHEET 3 OF 3 REV. B TUBING, PLASTIC,
15、 EXTRA FLEXIBLE, CONVOLUTED HELICAL, POLYTETRAFLUOROETHYLENE (PTFE) CLOSE CONVOLUTIONS 4. CONTINUOUS OPERATING TEMPERATURE: -67 C (-88 F) TO +260 C (500 F). 5. COLOR: UNLESS OTHERWISE SPECIFIED, THE SUPPLIED COLOR SHALL BE BLACK. 6. PHYSICAL PROPERTIES: GENERAL PHYSICAL REQUIREMENT VALUES ALONG WITH
16、 ASSOCIATED TEST CONDITIONS ARE LOCATED IN TABLE 3. 7. SHELF LIFE: THE STORAGE/SHELF LIFE SHALL BE 20 YEARS. SEE AS81914. TABLE 3 - PHYSICAL PROPERTIES PROPERTY REQUIREMENT CONSTRUCTION DETAILS IN ACCORDANCE WITH TABLE 1 STRESS IN PSI 10% STRAIN 150 TO 450 SPECIFIC GRAVITY 2.20 MAX. CRUSH RESISTANCE
17、, HORIZONTAL 10 POUNDS (4.54 KG) MIN. LOW TEMPERATURE FLEXIBILITY 36 000 CYCLES, NO CRACKING HEAT SHOCK 235/229 C (455/445 F) FOR 4 HOURS. 10% MAX LONGITUDINAL CHANGE. NO DRIPPING, FLOWING, OR CRACKING. HEAT AGING STRESS IN PSI 10% STRAIN, 80% OF INITIAL VALUE. 235/220 C (455/445 F) FOR 96 HOURS. FL
18、UID RESISTANCE STRESS IN PSI 10% STRAIN 80% OF INITIAL VALUE FLAMMABILITY NON-FLAMMABLE 1/ FUNGUS RESISTANCE NON-NUTRIENT 1/ DIELECTRIC BREAKDOWN 12 000 VOLTS, NO BREAKDOWN 1/ PROPERTIES NOT TESTED. PART NUMBER OR IDENTIFING NUMBER (PIN): EXAMPLE : M81914 / 2 1 0 06 D H HELIX WIRE, OMIT FOR NONE DRA
19、IN HOLES, OMIT FOR NONE DASH NUMBER, TABLE 1 CLASS CONVOLUTION TYPE: 1 = HELICAL SPECIFICATION SHEET BASIC PART NUMBER SUPERSESSION INFORMATION: M81914/2-10XX SUPERSEDES M81914/1-10XX. QUALIFICATION: SEE AS81914 SPECIFICATION NOTES: 1. A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIEN
20、CE 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.
